[alsa-devel] [SAMPLE 5/6] ASoC: convert codec to compoent on stac9766

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Fri Sep 1 08:36:53 CEST 2017


Now we can replace Codec to Component. Let's do it.

Note:
	xxx_codec_xxx()		->	xxx_component_xxx()
	.idle_bias_off = 0	->	.idle_bias_on = 1
	.ignore_pmdown_time = 0	->	.pmdown_time = 1
	-			->	.endianness = 1
	-			->	.non_legacy_dai_naming = 1

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/codecs/stac9766.c | 77 +++++++++++++++++++++------------------------
 1 file changed, 36 insertions(+), 41 deletions(-)

diff --git a/sound/soc/codecs/stac9766.c b/sound/soc/codecs/stac9766.c
index c66363a..b9d6979 100644
--- a/sound/soc/codecs/stac9766.c
+++ b/sound/soc/codecs/stac9766.c
@@ -168,58 +168,58 @@ static SOC_ENUM_SINGLE_DECL(stac9766_stereo_mic_enum,
 static int ac97_analog_prepare(struct snd_pcm_substream *substream,
 			       struct snd_soc_dai *dai)
 {
-	struct snd_soc_codec *codec = dai->codec;
+	struct snd_soc_component *component = dai->component;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	unsigned short reg;
 
 	/* enable variable rate audio, disable SPDIF output */
-	snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x1);
+	snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x5, 0x1);
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 		reg = AC97_PCM_FRONT_DAC_RATE;
 	else
 		reg = AC97_PCM_LR_ADC_RATE;
 
-	return snd_soc_write(codec, reg, runtime->rate);
+	return snd_soc_component_write(component, reg, runtime->rate);
 }
 
 static int ac97_digital_prepare(struct snd_pcm_substream *substream,
 				struct snd_soc_dai *dai)
 {
-	struct snd_soc_codec *codec = dai->codec;
+	struct snd_soc_component *component = dai->component;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	unsigned short reg;
 
-	snd_soc_write(codec, AC97_SPDIF, 0x2002);
+	snd_soc_component_write(component, AC97_SPDIF, 0x2002);
 
 	/* Enable VRA and SPDIF out */
-	snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x5);
+	snd_soc_component_update_bits(component, AC97_EXTENDED_STATUS, 0x5, 0x5);
 
 	reg = AC97_PCM_FRONT_DAC_RATE;
 
-	return snd_soc_write(codec, reg, runtime->rate);
+	return snd_soc_component_write(component, reg, runtime->rate);
 }
 
-static int stac9766_set_bias_level(struct snd_soc_codec *codec,
+static int stac9766_set_bias_level(struct snd_soc_component *component,
 				   enum snd_soc_bias_level level)
 {
 	switch (level) {
 	case SND_SOC_BIAS_ON: /* full On */
 	case SND_SOC_BIAS_PREPARE: /* partial On */
 	case SND_SOC_BIAS_STANDBY: /* Off, with power */
-		snd_soc_write(codec, AC97_POWERDOWN, 0x0000);
+		snd_soc_component_write(component, AC97_POWERDOWN, 0x0000);
 		break;
 	case SND_SOC_BIAS_OFF: /* Off, without power */
 		/* disable everything including AC link */
-		snd_soc_write(codec, AC97_POWERDOWN, 0xffff);
+		snd_soc_component_write(component, AC97_POWERDOWN, 0xffff);
 		break;
 	}
 	return 0;
 }
 
-static int stac9766_codec_resume(struct snd_soc_codec *codec)
+static int stac9766_component_resume(struct snd_soc_component *component)
 {
-	struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
+	struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
 
 	return snd_ac97_reset(ac97, true, STAC9766_VENDOR_ID,
 		STAC9766_VENDOR_ID_MASK);
@@ -272,13 +272,13 @@ static int stac9766_codec_resume(struct snd_soc_codec *codec)
 }
 };
 
-static int stac9766_codec_probe(struct snd_soc_codec *codec)
+static int stac9766_component_probe(struct snd_soc_component *component)
 {
 	struct snd_ac97 *ac97;
 	struct regmap *regmap;
 	int ret;
 
-	ac97 = snd_soc_new_ac97_codec(codec, STAC9766_VENDOR_ID,
+	ac97 = snd_soc_new_ac97_component(component, STAC9766_VENDOR_ID,
 			STAC9766_VENDOR_ID_MASK);
 	if (IS_ERR(ac97))
 		return PTR_ERR(ac97);
@@ -289,46 +289,42 @@ static int stac9766_codec_probe(struct snd_soc_codec *codec)
 		goto err_free_ac97;
 	}
 
-	snd_soc_codec_init_regmap(codec, regmap);
-	snd_soc_codec_set_drvdata(codec, ac97);
+	snd_soc_component_init_regmap(component, regmap);
+	snd_soc_component_set_drvdata(component, ac97);
 
 	return 0;
 err_free_ac97:
-	snd_soc_free_ac97_codec(ac97);
+	snd_soc_free_ac97_component(ac97);
 	return ret;
 }
 
-static int stac9766_codec_remove(struct snd_soc_codec *codec)
+static void stac9766_component_remove(struct snd_soc_component *component)
 {
-	struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
+	struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
 
-	snd_soc_codec_exit_regmap(codec);
-	snd_soc_free_ac97_codec(ac97);
-	return 0;
+	snd_soc_component_exit_regmap(component);
+	snd_soc_free_ac97_component(ac97);
 }
 
-static const struct snd_soc_codec_driver soc_codec_dev_stac9766 = {
-	.component_driver = {
-		.controls		= stac9766_snd_ac97_controls,
-		.num_controls		= ARRAY_SIZE(stac9766_snd_ac97_controls),
-	},
-	.set_bias_level = stac9766_set_bias_level,
-	.suspend_bias_off = true,
-	.probe = stac9766_codec_probe,
-	.remove = stac9766_codec_remove,
-	.resume = stac9766_codec_resume,
+static const struct snd_soc_component_driver soc_component_dev_stac9766 = {
+	.controls		= stac9766_snd_ac97_controls,
+	.num_controls		= ARRAY_SIZE(stac9766_snd_ac97_controls),
+	.set_bias_level		= stac9766_set_bias_level,
+	.probe			= stac9766_component_probe,
+	.remove			= stac9766_component_remove,
+	.resume			= stac9766_component_resume,
+	.suspend_bias_off	= 1,
+	.idle_bias_on		= 1,
+	.pmdown_time		= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+
 };
 
 static int stac9766_probe(struct platform_device *pdev)
 {
-	return snd_soc_register_codec(&pdev->dev,
-			&soc_codec_dev_stac9766, stac9766_dai, ARRAY_SIZE(stac9766_dai));
-}
-
-static int stac9766_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_codec(&pdev->dev);
-	return 0;
+	return devm_snd_soc_register_component(&pdev->dev,
+			&soc_component_dev_stac9766, stac9766_dai, ARRAY_SIZE(stac9766_dai));
 }
 
 static struct platform_driver stac9766_codec_driver = {
@@ -337,7 +333,6 @@ static int stac9766_remove(struct platform_device *pdev)
 	},
 
 	.probe = stac9766_probe,
-	.remove = stac9766_remove,
 };
 
 module_platform_driver(stac9766_codec_driver);
-- 
1.9.1



More information about the Alsa-devel mailing list