Release 4.7 sound/soc/codecs/max98357a.c
/* Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*
* max98357a.c -- MAX98357A ALSA SoC Codec driver
*/
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/kernel.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <sound/soc-dapm.h>
static int max98357a_daiops_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
struct gpio_desc *sdmode = snd_soc_dai_get_drvdata(dai);
if (!sdmode)
return 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
gpiod_set_value(sdmode, 1);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
gpiod_set_value(sdmode, 0);
break;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kenneth westfield | kenneth westfield | 72 | 90.00% | 1 | 50.00% |
| anatol pomozov | anatol pomozov | 8 | 10.00% | 1 | 50.00% |
| Total | 80 | 100.00% | 2 | 100.00% |
static const struct snd_soc_dapm_widget max98357a_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("Speaker"),
};
static const struct snd_soc_dapm_route max98357a_dapm_routes[] = {
{"Speaker", NULL, "HiFi Playback"},
};
static int max98357a_codec_probe(struct snd_soc_codec *codec)
{
struct gpio_desc *sdmode;
sdmode = devm_gpiod_get_optional(codec->dev, "sdmode", GPIOD_OUT_LOW);
if (IS_ERR(sdmode))
return PTR_ERR(sdmode);
snd_soc_codec_set_drvdata(codec, sdmode);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kenneth westfield | kenneth westfield | 49 | 94.23% | 1 | 33.33% |
| uwe kleine-koenig | uwe kleine-koenig | 2 | 3.85% | 1 | 33.33% |
| anatol pomozov | anatol pomozov | 1 | 1.92% | 1 | 33.33% |
| Total | 52 | 100.00% | 3 | 100.00% |
static struct snd_soc_codec_driver max98357a_codec_driver = {
.probe = max98357a_codec_probe,
.dapm_widgets = max98357a_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(max98357a_dapm_widgets),
.dapm_routes = max98357a_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(max98357a_dapm_routes),
};
static const struct snd_soc_dai_ops max98357a_dai_ops = {
.trigger = max98357a_daiops_trigger,
};
static struct snd_soc_dai_driver max98357a_dai_driver = {
.name = "HiFi",
.playback = {
.stream_name = "HiFi Playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 2,
},
.ops = &max98357a_dai_ops,
};
static int max98357a_platform_probe(struct platform_device *pdev)
{
return snd_soc_register_codec(&pdev->dev, &max98357a_codec_driver,
&max98357a_dai_driver, 1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kenneth westfield | kenneth westfield | 27 | 96.43% | 1 | 50.00% |
| anatol pomozov | anatol pomozov | 1 | 3.57% | 1 | 50.00% |
| Total | 28 | 100.00% | 2 | 100.00% |
static int max98357a_platform_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kenneth westfield | kenneth westfield | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
#ifdef CONFIG_OF
static const struct of_device_id max98357a_device_id[] = {
{ .compatible = "maxim,max98357a" },
{}
};
MODULE_DEVICE_TABLE(of, max98357a_device_id);
#endif
#ifdef CONFIG_ACPI
static const struct acpi_device_id max98357a_acpi_match[] = {
{ "MX98357A", 0 },
{},
};
MODULE_DEVICE_TABLE(acpi, max98357a_acpi_match);
#endif
static struct platform_driver max98357a_platform_driver = {
.driver = {
.name = "max98357a",
.of_match_table = of_match_ptr(max98357a_device_id),
.acpi_match_table = ACPI_PTR(max98357a_acpi_match),
},
.probe = max98357a_platform_probe,
.remove = max98357a_platform_remove,
};
module_platform_driver(max98357a_platform_driver);
MODULE_DESCRIPTION("Maxim MAX98357A Codec Driver");
MODULE_LICENSE("GPL v2");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kenneth westfield | kenneth westfield | 428 | 86.99% | 4 | 33.33% |
| rohit ainapure | rohit ainapure | 40 | 8.13% | 1 | 8.33% |
| anatol pomozov | anatol pomozov | 11 | 2.24% | 3 | 25.00% |
| mark brown | mark brown | 7 | 1.42% | 1 | 8.33% |
| vincent stehle | vincent stehle | 3 | 0.61% | 1 | 8.33% |
| uwe kleine-koenig | uwe kleine-koenig | 2 | 0.41% | 1 | 8.33% |
| axel lin | axel lin | 1 | 0.20% | 1 | 8.33% |
| Total | 492 | 100.00% | 12 | 100.00% |
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