Merge remote-tracking branch 'asoc/topic/pcm3008' into asoc-next (8a8b0e87) · Commits · e / devices / android_kernel_fairphone_FP4

sound/soc/codecs/pcm3008.c

+72 −78

Original line number	Diff line number	Diff line
		@@ -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;

		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;
		}