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92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* SoC audio driver for EM-X270, eXeda and CM-X300
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*
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* Copyright 2007, 2009 CompuLab, Ltd.
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*
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* Author: Mike Rapoport <mike@compulab.co.il>
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*
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* Copied from tosa.c:
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* Copyright 2005 Wolfson Microelectronics PLC.
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* Copyright 2005 Openedhand Ltd.
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*
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* Authors: Liam Girdwood <lrg@slimlogic.co.uk>
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* Richard Purdie <richard@openedhand.com>
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <asm/mach-types.h>
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#include <mach/audio.h>
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SND_SOC_DAILINK_DEFS(ac97,
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DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
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SND_SOC_DAILINK_DEFS(ac97_aux,
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DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")),
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DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-aux")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio")));
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static struct snd_soc_dai_link em_x270_dai[] = {
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{
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.name = "AC97",
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.stream_name = "AC97 HiFi",
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SND_SOC_DAILINK_REG(ac97),
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},
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{
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.name = "AC97 Aux",
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.stream_name = "AC97 Aux",
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SND_SOC_DAILINK_REG(ac97_aux),
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},
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};
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static struct snd_soc_card em_x270 = {
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.name = "EM-X270",
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.owner = THIS_MODULE,
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.dai_link = em_x270_dai,
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.num_links = ARRAY_SIZE(em_x270_dai),
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};
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static struct platform_device *em_x270_snd_device;
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static int __init em_x270_init(void)
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{
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int ret;
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if (!(machine_is_em_x270() || machine_is_exeda()
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|| machine_is_cm_x300()))
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return -ENODEV;
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em_x270_snd_device = platform_device_alloc("soc-audio", -1);
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if (!em_x270_snd_device)
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return -ENOMEM;
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platform_set_drvdata(em_x270_snd_device, &em_x270);
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ret = platform_device_add(em_x270_snd_device);
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if (ret)
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platform_device_put(em_x270_snd_device);
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return ret;
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}
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static void __exit em_x270_exit(void)
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{
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platform_device_unregister(em_x270_snd_device);
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}
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module_init(em_x270_init);
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module_exit(em_x270_exit);
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/* Module information */
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MODULE_AUTHOR("Mike Rapoport");
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MODULE_DESCRIPTION("ALSA SoC EM-X270, eXeda and CM-X300");
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MODULE_LICENSE("GPL");
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