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

sound/soc/codecs/pcm3008.c

@@ -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;
 }