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Merge remote-tracking branch 'asoc/topic/pcm3008' into asoc-next

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This commit is contained in:
Mark Brown 2013-08-22 14:28:46 +01:00
commit 8a8b0e874a
1 changed files with 72 additions and 78 deletions
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150
sound/soc/codecs/pcm3008.c
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@ -28,7 +28,54 @@
#include "pcm3008.h"
#define PCM3008_VERSION "0.2"
static int pcm3008_dac_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = w->codec;
struct pcm3008_setup_data *setup = codec->dev->platform_data;
gpio_set_value_cansleep(setup->pdda_pin,
SND_SOC_DAPM_EVENT_ON(event));
return 0;
}
static int pcm3008_adc_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = w->codec;
struct pcm3008_setup_data *setup = codec->dev->platform_data;
gpio_set_value_cansleep(setup->pdad_pin,
SND_SOC_DAPM_EVENT_ON(event));
return 0;
}
static const struct snd_soc_dapm_widget pcm3008_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("VINL"),
SND_SOC_DAPM_INPUT("VINR"),
SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, pcm3008_dac_ev,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_ADC_E("ADC", NULL, SND_SOC_NOPM, 0, 0, pcm3008_adc_ev,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_OUTPUT("VOUTL"),
SND_SOC_DAPM_OUTPUT("VOUTR"),
};
static const struct snd_soc_dapm_route pcm3008_dapm_routes[] = {
{ "PCM3008 Capture", NULL, "ADC" },
{ "ADC", NULL, "VINL" },
{ "ADC", NULL, "VINR" },
{ "DAC", NULL, "PCM3008 Playback" },
{ "VOUTL", NULL, "DAC" },
{ "VOUTR", NULL, "DAC" },
};
#define PCM3008_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000)
@ -51,20 +98,20 @@ static struct snd_soc_dai_driver pcm3008_dai = {
},
};
static void pcm3008_gpio_free(struct pcm3008_setup_data *setup)
{
gpio_free(setup->dem0_pin);
gpio_free(setup->dem1_pin);
gpio_free(setup->pdad_pin);
gpio_free(setup->pdda_pin);
}
static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = {
.dapm_widgets = pcm3008_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(pcm3008_dapm_widgets),
.dapm_routes = pcm3008_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(pcm3008_dapm_routes),
};
static int pcm3008_soc_probe(struct snd_soc_codec *codec)
static int pcm3008_codec_probe(struct platform_device *pdev)
{
struct pcm3008_setup_data *setup = codec->dev->platform_data;
int ret = 0;
struct pcm3008_setup_data *setup = pdev->dev.platform_data;
int ret;
printk(KERN_INFO "PCM3008 SoC Audio Codec %s\n", PCM3008_VERSION);
if (!setup)
return -EINVAL;
/* DEM1 DEM0 DE-EMPHASIS_MODE
* Low Low De-emphasis 44.1 kHz ON
@ -74,83 +121,29 @@ static int pcm3008_soc_probe(struct snd_soc_codec *codec)
*/
/* Configure DEM0 GPIO (turning OFF DAC De-emphasis). */
ret = gpio_request(setup->dem0_pin, "codec_dem0");
if (ret == 0)
ret = gpio_direction_output(setup->dem0_pin, 1);
ret = devm_gpio_request_one(&pdev->dev, setup->dem0_pin,
GPIOF_OUT_INIT_HIGH, "codec_dem0");
if (ret != 0)
goto gpio_err;
return ret;
/* Configure DEM1 GPIO (turning OFF DAC De-emphasis). */
ret = gpio_request(setup->dem1_pin, "codec_dem1");
if (ret == 0)
ret = gpio_direction_output(setup->dem1_pin, 0);
ret = devm_gpio_request_one(&pdev->dev, setup->dem1_pin,
GPIOF_OUT_INIT_LOW, "codec_dem1");
if (ret != 0)
goto gpio_err;
return ret;
/* Configure PDAD GPIO. */
ret = gpio_request(setup->pdad_pin, "codec_pdad");
if (ret == 0)
ret = gpio_direction_output(setup->pdad_pin, 1);
ret = devm_gpio_request_one(&pdev->dev, setup->pdad_pin,
GPIOF_OUT_INIT_LOW, "codec_pdad");
if (ret != 0)
goto gpio_err;
return ret;
/* Configure PDDA GPIO. */
ret = gpio_request(setup->pdda_pin, "codec_pdda");
if (ret == 0)
ret = gpio_direction_output(setup->pdda_pin, 1);
ret = devm_gpio_request_one(&pdev->dev, setup->pdda_pin,
GPIOF_OUT_INIT_LOW, "codec_pdda");
if (ret != 0)
goto gpio_err;
return ret;
return ret;
gpio_err:
pcm3008_gpio_free(setup);
return ret;
}
static int pcm3008_soc_remove(struct snd_soc_codec *codec)
{
struct pcm3008_setup_data *setup = codec->dev->platform_data;
pcm3008_gpio_free(setup);
return 0;
}
#ifdef CONFIG_PM
static int pcm3008_soc_suspend(struct snd_soc_codec *codec)
{
struct pcm3008_setup_data *setup = codec->dev->platform_data;
gpio_set_value(setup->pdad_pin, 0);
gpio_set_value(setup->pdda_pin, 0);
return 0;
}
static int pcm3008_soc_resume(struct snd_soc_codec *codec)
{
struct pcm3008_setup_data *setup = codec->dev->platform_data;
gpio_set_value(setup->pdad_pin, 1);
gpio_set_value(setup->pdda_pin, 1);
return 0;
}
#else
#define pcm3008_soc_suspend NULL
#define pcm3008_soc_resume NULL
#endif
static struct snd_soc_codec_driver soc_codec_dev_pcm3008 = {
.probe = pcm3008_soc_probe,
.remove = pcm3008_soc_remove,
.suspend = pcm3008_soc_suspend,
.resume = pcm3008_soc_resume,
};
static int pcm3008_codec_probe(struct platform_device *pdev)
{
return snd_soc_register_codec(&pdev->dev,
&soc_codec_dev_pcm3008, &pcm3008_dai, 1);
}
@ -158,6 +151,7 @@ static int pcm3008_codec_probe(struct platform_device *pdev)
static int pcm3008_codec_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}