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![Sudip Mukherjee](/assets/img/avatar_default.png)
pr_* macros replaced with dev_* as they are more preffered over pr_*. each file which had pr_* was reviewed manually and replaced with dev_*. here we have actually used the various snd_card which was added to some structures of ctxfi via a previous patch of this series. in the ctvmem.c file we have passed a reference of ct_atc as an argument to get_vm_block function so that it can be used from dev_*. since dev_* will print the device information , so the prefix of "ctxfi" from the various pr_* were also removed. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
1227 lines
30 KiB
C
1227 lines
30 KiB
C
/**
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* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
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*
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* This source file is released under GPL v2 license (no other versions).
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* See the COPYING file included in the main directory of this source
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* distribution for the license terms and conditions.
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*
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* @File ctmixer.c
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*
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* @Brief
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* This file contains the implementation of alsa mixer device functions.
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*
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* @Author Liu Chun
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* @Date May 28 2008
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*
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*/
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#include "ctmixer.h"
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#include "ctamixer.h"
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#include <linux/slab.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/asoundef.h>
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#include <sound/pcm.h>
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#include <sound/tlv.h>
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enum CT_SUM_CTL {
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SUM_IN_F,
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SUM_IN_R,
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SUM_IN_C,
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SUM_IN_S,
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SUM_IN_F_C,
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NUM_CT_SUMS
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};
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enum CT_AMIXER_CTL {
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/* volume control mixers */
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AMIXER_MASTER_F,
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AMIXER_MASTER_R,
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AMIXER_MASTER_C,
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AMIXER_MASTER_S,
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AMIXER_PCM_F,
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AMIXER_PCM_R,
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AMIXER_PCM_C,
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AMIXER_PCM_S,
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AMIXER_SPDIFI,
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AMIXER_LINEIN,
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AMIXER_MIC,
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AMIXER_SPDIFO,
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AMIXER_WAVE_F,
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AMIXER_WAVE_R,
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AMIXER_WAVE_C,
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AMIXER_WAVE_S,
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AMIXER_MASTER_F_C,
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AMIXER_PCM_F_C,
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AMIXER_SPDIFI_C,
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AMIXER_LINEIN_C,
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AMIXER_MIC_C,
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/* this should always be the last one */
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NUM_CT_AMIXERS
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};
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enum CTALSA_MIXER_CTL {
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/* volume control mixers */
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MIXER_MASTER_P,
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MIXER_PCM_P,
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MIXER_LINEIN_P,
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MIXER_MIC_P,
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MIXER_SPDIFI_P,
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MIXER_SPDIFO_P,
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MIXER_WAVEF_P,
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MIXER_WAVER_P,
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MIXER_WAVEC_P,
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MIXER_WAVES_P,
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MIXER_MASTER_C,
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MIXER_PCM_C,
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MIXER_LINEIN_C,
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MIXER_MIC_C,
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MIXER_SPDIFI_C,
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/* switch control mixers */
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MIXER_PCM_C_S,
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MIXER_LINEIN_C_S,
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MIXER_MIC_C_S,
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MIXER_SPDIFI_C_S,
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MIXER_SPDIFO_P_S,
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MIXER_WAVEF_P_S,
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MIXER_WAVER_P_S,
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MIXER_WAVEC_P_S,
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MIXER_WAVES_P_S,
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MIXER_DIGITAL_IO_S,
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MIXER_IEC958_MASK,
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MIXER_IEC958_DEFAULT,
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MIXER_IEC958_STREAM,
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/* this should always be the last one */
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NUM_CTALSA_MIXERS
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};
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#define VOL_MIXER_START MIXER_MASTER_P
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#define VOL_MIXER_END MIXER_SPDIFI_C
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#define VOL_MIXER_NUM (VOL_MIXER_END - VOL_MIXER_START + 1)
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#define SWH_MIXER_START MIXER_PCM_C_S
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#define SWH_MIXER_END MIXER_DIGITAL_IO_S
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#define SWH_CAPTURE_START MIXER_PCM_C_S
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#define SWH_CAPTURE_END MIXER_SPDIFI_C_S
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#define CHN_NUM 2
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struct ct_kcontrol_init {
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unsigned char ctl;
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char *name;
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};
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static struct ct_kcontrol_init
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ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = {
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[MIXER_MASTER_P] = {
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.ctl = 1,
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.name = "Master Playback Volume",
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},
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[MIXER_MASTER_C] = {
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.ctl = 1,
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.name = "Master Capture Volume",
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},
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[MIXER_PCM_P] = {
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.ctl = 1,
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.name = "PCM Playback Volume",
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},
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[MIXER_PCM_C] = {
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.ctl = 1,
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.name = "PCM Capture Volume",
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},
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[MIXER_LINEIN_P] = {
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.ctl = 1,
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.name = "Line Playback Volume",
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},
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[MIXER_LINEIN_C] = {
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.ctl = 1,
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.name = "Line Capture Volume",
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},
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[MIXER_MIC_P] = {
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.ctl = 1,
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.name = "Mic Playback Volume",
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},
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[MIXER_MIC_C] = {
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.ctl = 1,
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.name = "Mic Capture Volume",
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},
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[MIXER_SPDIFI_P] = {
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.ctl = 1,
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.name = "IEC958 Playback Volume",
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},
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[MIXER_SPDIFI_C] = {
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.ctl = 1,
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.name = "IEC958 Capture Volume",
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},
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[MIXER_SPDIFO_P] = {
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.ctl = 1,
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.name = "Digital Playback Volume",
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},
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[MIXER_WAVEF_P] = {
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.ctl = 1,
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.name = "Front Playback Volume",
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},
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[MIXER_WAVES_P] = {
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.ctl = 1,
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.name = "Side Playback Volume",
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},
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[MIXER_WAVEC_P] = {
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.ctl = 1,
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.name = "Center/LFE Playback Volume",
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},
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[MIXER_WAVER_P] = {
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.ctl = 1,
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.name = "Surround Playback Volume",
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},
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[MIXER_PCM_C_S] = {
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.ctl = 1,
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.name = "PCM Capture Switch",
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},
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[MIXER_LINEIN_C_S] = {
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.ctl = 1,
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.name = "Line Capture Switch",
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},
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[MIXER_MIC_C_S] = {
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.ctl = 1,
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.name = "Mic Capture Switch",
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},
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[MIXER_SPDIFI_C_S] = {
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.ctl = 1,
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.name = "IEC958 Capture Switch",
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},
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[MIXER_SPDIFO_P_S] = {
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.ctl = 1,
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.name = "Digital Playback Switch",
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},
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[MIXER_WAVEF_P_S] = {
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.ctl = 1,
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.name = "Front Playback Switch",
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},
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[MIXER_WAVES_P_S] = {
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.ctl = 1,
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.name = "Side Playback Switch",
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},
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[MIXER_WAVEC_P_S] = {
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.ctl = 1,
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.name = "Center/LFE Playback Switch",
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},
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[MIXER_WAVER_P_S] = {
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.ctl = 1,
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.name = "Surround Playback Switch",
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},
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[MIXER_DIGITAL_IO_S] = {
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.ctl = 0,
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.name = "Digit-IO Playback Switch",
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},
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};
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static void
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ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
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static void
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ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
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/* FIXME: this static looks like it would fail if more than one card was */
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/* installed. */
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static struct snd_kcontrol *kctls[2] = {NULL};
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static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index)
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{
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switch (alsa_index) {
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case MIXER_MASTER_P: return AMIXER_MASTER_F;
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case MIXER_MASTER_C: return AMIXER_MASTER_F_C;
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case MIXER_PCM_P: return AMIXER_PCM_F;
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case MIXER_PCM_C:
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case MIXER_PCM_C_S: return AMIXER_PCM_F_C;
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case MIXER_LINEIN_P: return AMIXER_LINEIN;
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case MIXER_LINEIN_C:
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case MIXER_LINEIN_C_S: return AMIXER_LINEIN_C;
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case MIXER_MIC_P: return AMIXER_MIC;
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case MIXER_MIC_C:
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case MIXER_MIC_C_S: return AMIXER_MIC_C;
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case MIXER_SPDIFI_P: return AMIXER_SPDIFI;
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case MIXER_SPDIFI_C:
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case MIXER_SPDIFI_C_S: return AMIXER_SPDIFI_C;
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case MIXER_SPDIFO_P: return AMIXER_SPDIFO;
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case MIXER_WAVEF_P: return AMIXER_WAVE_F;
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case MIXER_WAVES_P: return AMIXER_WAVE_S;
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case MIXER_WAVEC_P: return AMIXER_WAVE_C;
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case MIXER_WAVER_P: return AMIXER_WAVE_R;
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default: return NUM_CT_AMIXERS;
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}
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}
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static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index)
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{
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switch (index) {
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case AMIXER_MASTER_F: return AMIXER_MASTER_F_C;
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case AMIXER_PCM_F: return AMIXER_PCM_F_C;
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case AMIXER_SPDIFI: return AMIXER_SPDIFI_C;
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case AMIXER_LINEIN: return AMIXER_LINEIN_C;
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case AMIXER_MIC: return AMIXER_MIC_C;
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default: return NUM_CT_AMIXERS;
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}
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}
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static unsigned char
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get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type)
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{
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return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START)))
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? 1 : 0;
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}
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static void
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set_switch_state(struct ct_mixer *mixer,
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enum CTALSA_MIXER_CTL type, unsigned char state)
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{
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if (state)
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mixer->switch_state |= (0x1 << (type - SWH_MIXER_START));
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else
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mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START));
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}
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#if 0 /* not used */
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/* Map integer value ranging from 0 to 65535 to 14-bit float value ranging
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* from 2^-6 to (1+1023/1024) */
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static unsigned int uint16_to_float14(unsigned int x)
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{
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unsigned int i;
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if (x < 17)
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return 0;
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x *= 2031;
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x /= 65535;
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x += 16;
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/* i <= 6 */
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for (i = 0; !(x & 0x400); i++)
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x <<= 1;
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x = (((7 - i) & 0x7) << 10) | (x & 0x3ff);
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return x;
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}
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static unsigned int float14_to_uint16(unsigned int x)
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{
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unsigned int e;
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if (!x)
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return x;
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e = (x >> 10) & 0x7;
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x &= 0x3ff;
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x += 1024;
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x >>= (7 - e);
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x -= 16;
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x *= 65535;
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x /= 2031;
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return x;
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}
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#endif /* not used */
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#define VOL_SCALE 0x1c
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#define VOL_MAX 0x100
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static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1);
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static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = VOL_MAX;
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return 0;
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}
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static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
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enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
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struct amixer *amixer;
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int i, val;
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for (i = 0; i < 2; i++) {
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amixer = ((struct ct_mixer *)atc->mixer)->
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amixers[type*CHN_NUM+i];
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val = amixer->ops->get_scale(amixer) / VOL_SCALE;
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if (val < 0)
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val = 0;
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else if (val > VOL_MAX)
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val = VOL_MAX;
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ucontrol->value.integer.value[i] = val;
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}
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return 0;
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}
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static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
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struct ct_mixer *mixer = atc->mixer;
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enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
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struct amixer *amixer;
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int i, j, val, oval, change = 0;
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for (i = 0; i < 2; i++) {
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val = ucontrol->value.integer.value[i];
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if (val < 0)
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val = 0;
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else if (val > VOL_MAX)
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val = VOL_MAX;
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val *= VOL_SCALE;
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amixer = mixer->amixers[type*CHN_NUM+i];
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oval = amixer->ops->get_scale(amixer);
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if (val != oval) {
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amixer->ops->set_scale(amixer, val);
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amixer->ops->commit_write(amixer);
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change = 1;
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/* Synchronize Master/PCM playback AMIXERs. */
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if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) {
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for (j = 1; j < 4; j++) {
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amixer = mixer->
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amixers[(type+j)*CHN_NUM+i];
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amixer->ops->set_scale(amixer, val);
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amixer->ops->commit_write(amixer);
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}
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}
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}
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}
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return change;
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}
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static struct snd_kcontrol_new vol_ctl = {
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.info = ct_alsa_mix_volume_info,
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.get = ct_alsa_mix_volume_get,
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.put = ct_alsa_mix_volume_put,
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.tlv = { .p = ct_vol_db_scale },
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};
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static int output_switch_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *info)
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{
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static const char *const names[3] = {
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"FP Headphones", "Headphones", "Speakers"
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};
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return snd_ctl_enum_info(info, 1, 3, names);
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}
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static int output_switch_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
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ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc);
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return 0;
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}
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static int output_switch_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
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if (ucontrol->value.enumerated.item[0] > 2)
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return -EINVAL;
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return atc->output_switch_put(atc, ucontrol->value.enumerated.item[0]);
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}
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static struct snd_kcontrol_new output_ctl = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Output Playback Enum",
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.info = output_switch_info,
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.get = output_switch_get,
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.put = output_switch_put,
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};
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static int mic_source_switch_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *info)
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{
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static const char *const names[3] = {
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"Mic", "FP Mic", "Aux"
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};
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return snd_ctl_enum_info(info, 1, 3, names);
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}
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static int mic_source_switch_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
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ucontrol->value.enumerated.item[0] = atc->mic_source_switch_get(atc);
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return 0;
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}
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static int mic_source_switch_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
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if (ucontrol->value.enumerated.item[0] > 2)
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return -EINVAL;
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return atc->mic_source_switch_put(atc,
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ucontrol->value.enumerated.item[0]);
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}
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static struct snd_kcontrol_new mic_source_ctl = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Mic Source Capture Enum",
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.info = mic_source_switch_info,
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.get = mic_source_switch_get,
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.put = mic_source_switch_put,
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};
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static void
|
|
do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type)
|
|
{
|
|
|
|
if (MIXER_LINEIN_C_S == type) {
|
|
atc->select_line_in(atc);
|
|
set_switch_state(atc->mixer, MIXER_MIC_C_S, 0);
|
|
snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
|
|
&kctls[1]->id);
|
|
} else if (MIXER_MIC_C_S == type) {
|
|
atc->select_mic_in(atc);
|
|
set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0);
|
|
snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
|
|
&kctls[0]->id);
|
|
}
|
|
}
|
|
|
|
static void
|
|
do_digit_io_switch(struct ct_atc *atc, int state)
|
|
{
|
|
struct ct_mixer *mixer = atc->mixer;
|
|
|
|
if (state) {
|
|
atc->select_digit_io(atc);
|
|
atc->spdif_out_unmute(atc,
|
|
get_switch_state(mixer, MIXER_SPDIFO_P_S));
|
|
atc->spdif_in_unmute(atc, 1);
|
|
atc->line_in_unmute(atc, 0);
|
|
return;
|
|
}
|
|
|
|
if (get_switch_state(mixer, MIXER_LINEIN_C_S))
|
|
atc->select_line_in(atc);
|
|
else if (get_switch_state(mixer, MIXER_MIC_C_S))
|
|
atc->select_mic_in(atc);
|
|
|
|
atc->spdif_out_unmute(atc, 0);
|
|
atc->spdif_in_unmute(atc, 0);
|
|
atc->line_in_unmute(atc, 1);
|
|
return;
|
|
}
|
|
|
|
static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
|
|
{
|
|
struct ct_mixer *mixer = atc->mixer;
|
|
struct capabilities cap = atc->capabilities(atc);
|
|
|
|
/* Do changes in mixer. */
|
|
if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
|
|
if (state) {
|
|
ct_mixer_recording_select(mixer,
|
|
get_amixer_index(type));
|
|
} else {
|
|
ct_mixer_recording_unselect(mixer,
|
|
get_amixer_index(type));
|
|
}
|
|
}
|
|
/* Do changes out of mixer. */
|
|
if (!cap.dedicated_mic &&
|
|
(MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) {
|
|
if (state)
|
|
do_line_mic_switch(atc, type);
|
|
atc->line_in_unmute(atc, state);
|
|
} else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type))
|
|
atc->line_in_unmute(atc, state);
|
|
else if (cap.dedicated_mic && (MIXER_MIC_C_S == type))
|
|
atc->mic_unmute(atc, state);
|
|
else if (MIXER_SPDIFI_C_S == type)
|
|
atc->spdif_in_unmute(atc, state);
|
|
else if (MIXER_WAVEF_P_S == type)
|
|
atc->line_front_unmute(atc, state);
|
|
else if (MIXER_WAVES_P_S == type)
|
|
atc->line_surround_unmute(atc, state);
|
|
else if (MIXER_WAVEC_P_S == type)
|
|
atc->line_clfe_unmute(atc, state);
|
|
else if (MIXER_WAVER_P_S == type)
|
|
atc->line_rear_unmute(atc, state);
|
|
else if (MIXER_SPDIFO_P_S == type)
|
|
atc->spdif_out_unmute(atc, state);
|
|
else if (MIXER_DIGITAL_IO_S == type)
|
|
do_digit_io_switch(atc, state);
|
|
|
|
return;
|
|
}
|
|
|
|
static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
|
|
uinfo->count = 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 1;
|
|
uinfo->value.integer.step = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct ct_mixer *mixer =
|
|
((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer;
|
|
enum CTALSA_MIXER_CTL type = kcontrol->private_value;
|
|
|
|
ucontrol->value.integer.value[0] = get_switch_state(mixer, type);
|
|
return 0;
|
|
}
|
|
|
|
static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
|
|
struct ct_mixer *mixer = atc->mixer;
|
|
enum CTALSA_MIXER_CTL type = kcontrol->private_value;
|
|
int state;
|
|
|
|
state = ucontrol->value.integer.value[0];
|
|
if (get_switch_state(mixer, type) == state)
|
|
return 0;
|
|
|
|
set_switch_state(mixer, type, state);
|
|
do_switch(atc, type, state);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static struct snd_kcontrol_new swh_ctl = {
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.info = ct_alsa_mix_switch_info,
|
|
.get = ct_alsa_mix_switch_get,
|
|
.put = ct_alsa_mix_switch_put
|
|
};
|
|
|
|
static int ct_spdif_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
|
|
uinfo->count = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
ucontrol->value.iec958.status[0] = 0xff;
|
|
ucontrol->value.iec958.status[1] = 0xff;
|
|
ucontrol->value.iec958.status[2] = 0xff;
|
|
ucontrol->value.iec958.status[3] = 0xff;
|
|
return 0;
|
|
}
|
|
|
|
static int ct_spdif_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
|
|
unsigned int status;
|
|
|
|
atc->spdif_out_get_status(atc, &status);
|
|
|
|
if (status == 0)
|
|
status = SNDRV_PCM_DEFAULT_CON_SPDIF;
|
|
|
|
ucontrol->value.iec958.status[0] = (status >> 0) & 0xff;
|
|
ucontrol->value.iec958.status[1] = (status >> 8) & 0xff;
|
|
ucontrol->value.iec958.status[2] = (status >> 16) & 0xff;
|
|
ucontrol->value.iec958.status[3] = (status >> 24) & 0xff;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ct_spdif_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
|
|
int change;
|
|
unsigned int status, old_status;
|
|
|
|
status = (ucontrol->value.iec958.status[0] << 0) |
|
|
(ucontrol->value.iec958.status[1] << 8) |
|
|
(ucontrol->value.iec958.status[2] << 16) |
|
|
(ucontrol->value.iec958.status[3] << 24);
|
|
|
|
atc->spdif_out_get_status(atc, &old_status);
|
|
change = (old_status != status);
|
|
if (change)
|
|
atc->spdif_out_set_status(atc, status);
|
|
|
|
return change;
|
|
}
|
|
|
|
static struct snd_kcontrol_new iec958_mask_ctl = {
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READ,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
|
|
.count = 1,
|
|
.info = ct_spdif_info,
|
|
.get = ct_spdif_get_mask,
|
|
.private_value = MIXER_IEC958_MASK
|
|
};
|
|
|
|
static struct snd_kcontrol_new iec958_default_ctl = {
|
|
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
|
|
.count = 1,
|
|
.info = ct_spdif_info,
|
|
.get = ct_spdif_get,
|
|
.put = ct_spdif_put,
|
|
.private_value = MIXER_IEC958_DEFAULT
|
|
};
|
|
|
|
static struct snd_kcontrol_new iec958_ctl = {
|
|
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
|
|
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
|
|
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
|
|
.count = 1,
|
|
.info = ct_spdif_info,
|
|
.get = ct_spdif_get,
|
|
.put = ct_spdif_put,
|
|
.private_value = MIXER_IEC958_STREAM
|
|
};
|
|
|
|
#define NUM_IEC958_CTL 3
|
|
|
|
static int
|
|
ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
|
|
{
|
|
struct snd_kcontrol *kctl;
|
|
int err;
|
|
|
|
kctl = snd_ctl_new1(new, mixer->atc);
|
|
if (!kctl)
|
|
return -ENOMEM;
|
|
|
|
if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface)
|
|
kctl->id.device = IEC958;
|
|
|
|
err = snd_ctl_add(mixer->atc->card, kctl);
|
|
if (err)
|
|
return err;
|
|
|
|
switch (new->private_value) {
|
|
case MIXER_LINEIN_C_S:
|
|
kctls[0] = kctl; break;
|
|
case MIXER_MIC_C_S:
|
|
kctls[1] = kctl; break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
|
|
{
|
|
enum CTALSA_MIXER_CTL type;
|
|
struct ct_atc *atc = mixer->atc;
|
|
struct capabilities cap = atc->capabilities(atc);
|
|
int err;
|
|
|
|
/* Create snd kcontrol instances on demand */
|
|
for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) {
|
|
if (ct_kcontrol_init_table[type].ctl) {
|
|
vol_ctl.name = ct_kcontrol_init_table[type].name;
|
|
vol_ctl.private_value = (unsigned long)type;
|
|
err = ct_mixer_kcontrol_new(mixer, &vol_ctl);
|
|
if (err)
|
|
return err;
|
|
}
|
|
}
|
|
|
|
ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch;
|
|
|
|
for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) {
|
|
if (ct_kcontrol_init_table[type].ctl) {
|
|
swh_ctl.name = ct_kcontrol_init_table[type].name;
|
|
swh_ctl.private_value = (unsigned long)type;
|
|
err = ct_mixer_kcontrol_new(mixer, &swh_ctl);
|
|
if (err)
|
|
return err;
|
|
}
|
|
}
|
|
|
|
err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl);
|
|
if (err)
|
|
return err;
|
|
|
|
err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl);
|
|
if (err)
|
|
return err;
|
|
|
|
err = ct_mixer_kcontrol_new(mixer, &iec958_ctl);
|
|
if (err)
|
|
return err;
|
|
|
|
if (cap.output_switch) {
|
|
err = ct_mixer_kcontrol_new(mixer, &output_ctl);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
if (cap.mic_source_switch) {
|
|
err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl);
|
|
if (err)
|
|
return err;
|
|
}
|
|
atc->line_front_unmute(atc, 1);
|
|
set_switch_state(mixer, MIXER_WAVEF_P_S, 1);
|
|
atc->line_surround_unmute(atc, 0);
|
|
set_switch_state(mixer, MIXER_WAVES_P_S, 0);
|
|
atc->line_clfe_unmute(atc, 0);
|
|
set_switch_state(mixer, MIXER_WAVEC_P_S, 0);
|
|
atc->line_rear_unmute(atc, 0);
|
|
set_switch_state(mixer, MIXER_WAVER_P_S, 0);
|
|
atc->spdif_out_unmute(atc, 0);
|
|
set_switch_state(mixer, MIXER_SPDIFO_P_S, 0);
|
|
atc->line_in_unmute(atc, 0);
|
|
if (cap.dedicated_mic)
|
|
atc->mic_unmute(atc, 0);
|
|
atc->spdif_in_unmute(atc, 0);
|
|
set_switch_state(mixer, MIXER_PCM_C_S, 0);
|
|
set_switch_state(mixer, MIXER_LINEIN_C_S, 0);
|
|
set_switch_state(mixer, MIXER_SPDIFI_C_S, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
|
|
{
|
|
struct amixer *amix_d;
|
|
struct sum *sum_c;
|
|
int i;
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
amix_d = mixer->amixers[type*CHN_NUM+i];
|
|
sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i];
|
|
amix_d->ops->set_sum(amix_d, sum_c);
|
|
amix_d->ops->commit_write(amix_d);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
|
|
{
|
|
struct amixer *amix_d;
|
|
int i;
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
amix_d = mixer->amixers[type*CHN_NUM+i];
|
|
amix_d->ops->set_sum(amix_d, NULL);
|
|
amix_d->ops->commit_write(amix_d);
|
|
}
|
|
}
|
|
|
|
static int ct_mixer_get_resources(struct ct_mixer *mixer)
|
|
{
|
|
struct sum_mgr *sum_mgr;
|
|
struct sum *sum;
|
|
struct sum_desc sum_desc = {0};
|
|
struct amixer_mgr *amixer_mgr;
|
|
struct amixer *amixer;
|
|
struct amixer_desc am_desc = {0};
|
|
int err;
|
|
int i;
|
|
|
|
/* Allocate sum resources for mixer obj */
|
|
sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
|
|
sum_desc.msr = mixer->atc->msr;
|
|
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
|
|
err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum);
|
|
if (err) {
|
|
dev_err(mixer->atc->card->dev,
|
|
"Failed to get sum resources for front output!\n");
|
|
break;
|
|
}
|
|
mixer->sums[i] = sum;
|
|
}
|
|
if (err)
|
|
goto error1;
|
|
|
|
/* Allocate amixer resources for mixer obj */
|
|
amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
|
|
am_desc.msr = mixer->atc->msr;
|
|
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
|
|
err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer);
|
|
if (err) {
|
|
dev_err(mixer->atc->card->dev,
|
|
"Failed to get amixer resources for mixer obj!\n");
|
|
break;
|
|
}
|
|
mixer->amixers[i] = amixer;
|
|
}
|
|
if (err)
|
|
goto error2;
|
|
|
|
return 0;
|
|
|
|
error2:
|
|
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
|
|
if (NULL != mixer->amixers[i]) {
|
|
amixer = mixer->amixers[i];
|
|
amixer_mgr->put_amixer(amixer_mgr, amixer);
|
|
mixer->amixers[i] = NULL;
|
|
}
|
|
}
|
|
error1:
|
|
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
|
|
if (NULL != mixer->sums[i]) {
|
|
sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
|
|
mixer->sums[i] = NULL;
|
|
}
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int ct_mixer_get_mem(struct ct_mixer **rmixer)
|
|
{
|
|
struct ct_mixer *mixer;
|
|
int err;
|
|
|
|
*rmixer = NULL;
|
|
/* Allocate mem for mixer obj */
|
|
mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
|
|
if (!mixer)
|
|
return -ENOMEM;
|
|
|
|
mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM),
|
|
GFP_KERNEL);
|
|
if (!mixer->amixers) {
|
|
err = -ENOMEM;
|
|
goto error1;
|
|
}
|
|
mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL);
|
|
if (!mixer->sums) {
|
|
err = -ENOMEM;
|
|
goto error2;
|
|
}
|
|
|
|
*rmixer = mixer;
|
|
return 0;
|
|
|
|
error2:
|
|
kfree(mixer->amixers);
|
|
error1:
|
|
kfree(mixer);
|
|
return err;
|
|
}
|
|
|
|
static int ct_mixer_topology_build(struct ct_mixer *mixer)
|
|
{
|
|
struct sum *sum;
|
|
struct amixer *amix_d, *amix_s;
|
|
enum CT_AMIXER_CTL i, j;
|
|
|
|
/* Build topology from destination to source */
|
|
|
|
/* Set up Master mixer */
|
|
for (i = AMIXER_MASTER_F, j = SUM_IN_F;
|
|
i <= AMIXER_MASTER_S; i++, j++) {
|
|
amix_d = mixer->amixers[i*CHN_NUM];
|
|
sum = mixer->sums[j*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
|
|
amix_d = mixer->amixers[i*CHN_NUM+1];
|
|
sum = mixer->sums[j*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
|
|
}
|
|
|
|
/* Set up Wave-out mixer */
|
|
for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F;
|
|
i <= AMIXER_WAVE_S; i++, j++) {
|
|
amix_d = mixer->amixers[i*CHN_NUM];
|
|
amix_s = mixer->amixers[j*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
|
|
amix_d = mixer->amixers[i*CHN_NUM+1];
|
|
amix_s = mixer->amixers[j*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
|
|
}
|
|
|
|
/* Set up S/PDIF-out mixer */
|
|
amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM];
|
|
amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
|
|
amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1];
|
|
amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
|
|
|
|
/* Set up PCM-in mixer */
|
|
for (i = AMIXER_PCM_F, j = SUM_IN_F; i <= AMIXER_PCM_S; i++, j++) {
|
|
amix_d = mixer->amixers[i*CHN_NUM];
|
|
sum = mixer->sums[j*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
amix_d = mixer->amixers[i*CHN_NUM+1];
|
|
sum = mixer->sums[j*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
}
|
|
|
|
/* Set up Line-in mixer */
|
|
amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM];
|
|
sum = mixer->sums[SUM_IN_F*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1];
|
|
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
|
|
/* Set up Mic-in mixer */
|
|
amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM];
|
|
sum = mixer->sums[SUM_IN_F*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1];
|
|
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
|
|
/* Set up S/PDIF-in mixer */
|
|
amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM];
|
|
sum = mixer->sums[SUM_IN_F*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1];
|
|
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
|
|
/* Set up Master recording mixer */
|
|
amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
|
|
amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
|
|
|
|
/* Set up PCM-in recording mixer */
|
|
amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
|
|
/* Set up Line-in recording mixer */
|
|
amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
|
|
/* Set up Mic-in recording mixer */
|
|
amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
|
|
/* Set up S/PDIF-in recording mixer */
|
|
amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1];
|
|
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
|
|
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc)
|
|
{
|
|
amixer->ops->set_input(amixer, rsc);
|
|
amixer->ops->commit_write(amixer);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type)
|
|
{
|
|
switch (type) {
|
|
case MIX_WAVE_FRONT: return AMIXER_WAVE_F;
|
|
case MIX_WAVE_SURROUND: return AMIXER_WAVE_S;
|
|
case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C;
|
|
case MIX_WAVE_REAR: return AMIXER_WAVE_R;
|
|
case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C;
|
|
case MIX_SPDIF_OUT: return AMIXER_SPDIFO;
|
|
case MIX_LINE_IN: return AMIXER_LINEIN;
|
|
case MIX_MIC_IN: return AMIXER_MIC;
|
|
case MIX_SPDIF_IN: return AMIXER_SPDIFI;
|
|
case MIX_PCMI_FRONT: return AMIXER_PCM_F;
|
|
case MIX_PCMI_SURROUND: return AMIXER_PCM_S;
|
|
case MIX_PCMI_CENTLFE: return AMIXER_PCM_C;
|
|
case MIX_PCMI_REAR: return AMIXER_PCM_R;
|
|
default: return 0;
|
|
}
|
|
}
|
|
|
|
static int mixer_get_output_ports(struct ct_mixer *mixer,
|
|
enum MIXER_PORT_T type,
|
|
struct rsc **rleft, struct rsc **rright)
|
|
{
|
|
enum CT_AMIXER_CTL amix = port_to_amixer(type);
|
|
|
|
if (NULL != rleft)
|
|
*rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc;
|
|
|
|
if (NULL != rright)
|
|
*rright =
|
|
&((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mixer_set_input_left(struct ct_mixer *mixer,
|
|
enum MIXER_PORT_T type, struct rsc *rsc)
|
|
{
|
|
enum CT_AMIXER_CTL amix = port_to_amixer(type);
|
|
|
|
mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
|
|
amix = get_recording_amixer(amix);
|
|
if (amix < NUM_CT_AMIXERS)
|
|
mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mixer_set_input_right(struct ct_mixer *mixer,
|
|
enum MIXER_PORT_T type, struct rsc *rsc)
|
|
{
|
|
enum CT_AMIXER_CTL amix = port_to_amixer(type);
|
|
|
|
mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
|
|
amix = get_recording_amixer(amix);
|
|
if (amix < NUM_CT_AMIXERS)
|
|
mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int mixer_resume(struct ct_mixer *mixer)
|
|
{
|
|
int i, state;
|
|
struct amixer *amixer;
|
|
|
|
/* resume topology and volume gain. */
|
|
for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) {
|
|
amixer = mixer->amixers[i];
|
|
amixer->ops->commit_write(amixer);
|
|
}
|
|
|
|
/* resume switch state. */
|
|
for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) {
|
|
state = get_switch_state(mixer, i);
|
|
do_switch(mixer->atc, i, state);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
int ct_mixer_destroy(struct ct_mixer *mixer)
|
|
{
|
|
struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
|
|
struct amixer_mgr *amixer_mgr =
|
|
(struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
|
|
struct amixer *amixer;
|
|
int i = 0;
|
|
|
|
/* Release amixer resources */
|
|
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
|
|
if (NULL != mixer->amixers[i]) {
|
|
amixer = mixer->amixers[i];
|
|
amixer_mgr->put_amixer(amixer_mgr, amixer);
|
|
}
|
|
}
|
|
|
|
/* Release sum resources */
|
|
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
|
|
if (NULL != mixer->sums[i])
|
|
sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
|
|
}
|
|
|
|
/* Release mem assigned to mixer object */
|
|
kfree(mixer->sums);
|
|
kfree(mixer->amixers);
|
|
kfree(mixer);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer)
|
|
{
|
|
struct ct_mixer *mixer;
|
|
int err;
|
|
|
|
*rmixer = NULL;
|
|
|
|
/* Allocate mem for mixer obj */
|
|
err = ct_mixer_get_mem(&mixer);
|
|
if (err)
|
|
return err;
|
|
|
|
mixer->switch_state = 0;
|
|
mixer->atc = atc;
|
|
/* Set operations */
|
|
mixer->get_output_ports = mixer_get_output_ports;
|
|
mixer->set_input_left = mixer_set_input_left;
|
|
mixer->set_input_right = mixer_set_input_right;
|
|
#ifdef CONFIG_PM_SLEEP
|
|
mixer->resume = mixer_resume;
|
|
#endif
|
|
|
|
/* Allocate chip resources for mixer obj */
|
|
err = ct_mixer_get_resources(mixer);
|
|
if (err)
|
|
goto error;
|
|
|
|
/* Build internal mixer topology */
|
|
ct_mixer_topology_build(mixer);
|
|
|
|
*rmixer = mixer;
|
|
|
|
return 0;
|
|
|
|
error:
|
|
ct_mixer_destroy(mixer);
|
|
return err;
|
|
}
|
|
|
|
int ct_alsa_mix_create(struct ct_atc *atc,
|
|
enum CTALSADEVS device,
|
|
const char *device_name)
|
|
{
|
|
int err;
|
|
|
|
/* Create snd kcontrol instances on demand */
|
|
/* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */
|
|
err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer);
|
|
if (err)
|
|
return err;
|
|
|
|
strcpy(atc->card->mixername, device_name);
|
|
|
|
return 0;
|
|
}
|