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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
138 lines
3.5 KiB
C
138 lines
3.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Driver for Digigram VXpocket soundcards
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*
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* VX-pocket mixer
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*
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* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
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*/
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/tlv.h>
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#include "vxpocket.h"
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#define MIC_LEVEL_MIN 0
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#define MIC_LEVEL_MAX 8
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/*
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* mic level control (for VXPocket)
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*/
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static int vx_mic_level_info(struct snd_kcontrol *kcontrol, 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 = 1;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = MIC_LEVEL_MAX;
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return 0;
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}
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static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
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{
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struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
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struct snd_vxpocket *chip = to_vxpocket(_chip);
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ucontrol->value.integer.value[0] = chip->mic_level;
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return 0;
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}
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static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
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{
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struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
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struct snd_vxpocket *chip = to_vxpocket(_chip);
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unsigned int val = ucontrol->value.integer.value[0];
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if (val > MIC_LEVEL_MAX)
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return -EINVAL;
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mutex_lock(&_chip->mixer_mutex);
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if (chip->mic_level != ucontrol->value.integer.value[0]) {
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vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
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chip->mic_level = ucontrol->value.integer.value[0];
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mutex_unlock(&_chip->mixer_mutex);
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return 1;
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}
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mutex_unlock(&_chip->mixer_mutex);
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return 0;
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}
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static const DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
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static const struct snd_kcontrol_new vx_control_mic_level = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ),
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.name = "Mic Capture Volume",
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.info = vx_mic_level_info,
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.get = vx_mic_level_get,
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.put = vx_mic_level_put,
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.tlv = { .p = db_scale_mic },
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};
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/*
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* mic boost level control (for VXP440)
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*/
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#define vx_mic_boost_info snd_ctl_boolean_mono_info
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static int vx_mic_boost_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
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{
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struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
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struct snd_vxpocket *chip = to_vxpocket(_chip);
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ucontrol->value.integer.value[0] = chip->mic_level;
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return 0;
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}
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static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
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{
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struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
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struct snd_vxpocket *chip = to_vxpocket(_chip);
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int val = !!ucontrol->value.integer.value[0];
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mutex_lock(&_chip->mixer_mutex);
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if (chip->mic_level != val) {
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vx_set_mic_boost(_chip, val);
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chip->mic_level = val;
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mutex_unlock(&_chip->mixer_mutex);
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return 1;
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}
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mutex_unlock(&_chip->mixer_mutex);
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return 0;
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}
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static const struct snd_kcontrol_new vx_control_mic_boost = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Mic Boost",
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.info = vx_mic_boost_info,
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.get = vx_mic_boost_get,
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.put = vx_mic_boost_put,
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};
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int vxp_add_mic_controls(struct vx_core *_chip)
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{
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struct snd_vxpocket *chip = to_vxpocket(_chip);
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int err;
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/* mute input levels */
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chip->mic_level = 0;
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switch (_chip->type) {
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case VX_TYPE_VXPOCKET:
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vx_set_mic_level(_chip, 0);
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break;
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case VX_TYPE_VXP440:
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vx_set_mic_boost(_chip, 0);
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break;
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}
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/* mic level */
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switch (_chip->type) {
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case VX_TYPE_VXPOCKET:
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if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_level, chip))) < 0)
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return err;
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break;
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case VX_TYPE_VXP440:
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if ((err = snd_ctl_add(_chip->card, snd_ctl_new1(&vx_control_mic_boost, chip))) < 0)
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return err;
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break;
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}
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return 0;
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}
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