1 files changed, 57 insertions, 85 deletions

diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c
index 73e205c892a0..d87141ba8438 100644
--- a/sound/soc/codecs/si476x.c
+++ b/sound/soc/codecs/si476x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * sound/soc/codecs/si476x.c -- Codec driver for SI476X chips
  *
@@ -5,22 +6,13 @@
  * Copyright (C) 2013 Andrey Smirnov
  *
  * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * 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.
- *
  */
 
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
+#include <linux/regmap.h>
 #include <sound/soc.h>
 #include <sound/initval.h>
 
@@ -60,55 +52,24 @@ enum si476x_pcm_format {
 	SI476X_PCM_FORMAT_S24_LE	= 6,
 };
 
-static unsigned int si476x_codec_read(struct snd_soc_codec *codec,
-				      unsigned int reg)
-{
-	int err;
-	unsigned int val;
-	struct si476x_core *core = codec->control_data;
-
-	si476x_core_lock(core);
-	if (!si476x_core_is_powered_up(core))
-		regcache_cache_only(core->regmap, true);
-
-	err = regmap_read(core->regmap, reg, &val);
-
-	if (!si476x_core_is_powered_up(core))
-		regcache_cache_only(core->regmap, false);
-	si476x_core_unlock(core);
-
-	if (err < 0)
-		return err;
-
-	return val;
-}
-
-static int si476x_codec_write(struct snd_soc_codec *codec,
-			      unsigned int reg, unsigned int val)
-{
-	int err;
-	struct si476x_core *core = codec->control_data;
-
-	si476x_core_lock(core);
-	if (!si476x_core_is_powered_up(core))
-		regcache_cache_only(core->regmap, true);
-
-	err = regmap_write(core->regmap, reg, val);
-
-	if (!si476x_core_is_powered_up(core))
-		regcache_cache_only(core->regmap, false);
-	si476x_core_unlock(core);
+static const struct snd_soc_dapm_widget si476x_dapm_widgets[] = {
+SND_SOC_DAPM_OUTPUT("LOUT"),
+SND_SOC_DAPM_OUTPUT("ROUT"),
+};
 
-	return err;
-}
+static const struct snd_soc_dapm_route si476x_dapm_routes[] = {
+	{ "Capture", NULL, "LOUT" },
+	{ "Capture", NULL, "ROUT" },
+};
 
 static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
 				    unsigned int fmt)
 {
+	struct si476x_core *core = i2c_mfd_cell_to_core(codec_dai->dev);
 	int err;
 	u16 format = 0;
 
-	if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) != SND_SOC_DAIFMT_CBS_CFS)
+	if ((fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) != SND_SOC_DAIFMT_CBC_CFC)
 		return -EINVAL;
 
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
@@ -168,11 +129,16 @@ static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
 		return -EINVAL;
 	}
 
-	err = snd_soc_update_bits(codec_dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
+	si476x_core_lock(core);
+
+	err = snd_soc_component_update_bits(codec_dai->component, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
 				  SI476X_DIGITAL_IO_OUTPUT_FORMAT_MASK,
 				  format);
+
+	si476x_core_unlock(core);
+
 	if (err < 0) {
-		dev_err(codec_dai->codec->dev, "Failed to set output format\n");
+		dev_err(codec_dai->component->dev, "Failed to set output format\n");
 		return err;
 	}
 
@@ -183,57 +149,57 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
 				  struct snd_pcm_hw_params *params,
 				  struct snd_soc_dai *dai)
 {
+	struct si476x_core *core = i2c_mfd_cell_to_core(dai->dev);
 	int rate, width, err;
 
 	rate = params_rate(params);
 	if (rate < 32000 || rate > 48000) {
-		dev_err(dai->codec->dev, "Rate: %d is not supported\n", rate);
+		dev_err(dai->component->dev, "Rate: %d is not supported\n", rate);
 		return -EINVAL;
 	}
 
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S8:
+	switch (params_width(params)) {
+	case 8:
 		width = SI476X_PCM_FORMAT_S8;
 		break;
-	case SNDRV_PCM_FORMAT_S16_LE:
+	case 16:
 		width = SI476X_PCM_FORMAT_S16_LE;
 		break;
-	case SNDRV_PCM_FORMAT_S20_3LE:
+	case 20:
 		width = SI476X_PCM_FORMAT_S20_3LE;
 		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
+	case 24:
 		width = SI476X_PCM_FORMAT_S24_LE;
 		break;
 	default:
 		return -EINVAL;
 	}
 
-	err = snd_soc_write(dai->codec, SI476X_DIGITAL_IO_OUTPUT_SAMPLE_RATE,
+	si476x_core_lock(core);
+
+	err = snd_soc_component_write(dai->component, SI476X_DIGITAL_IO_OUTPUT_SAMPLE_RATE,
 			    rate);
 	if (err < 0) {
-		dev_err(dai->codec->dev, "Failed to set sample rate\n");
-		return err;
+		dev_err(dai->component->dev, "Failed to set sample rate\n");
+		goto out;
 	}
 
-	err = snd_soc_update_bits(dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
+	err = snd_soc_component_update_bits(dai->component, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
 				  SI476X_DIGITAL_IO_OUTPUT_WIDTH_MASK,
 				  (width << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) |
 				  (width << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT));
 	if (err < 0) {
-		dev_err(dai->codec->dev, "Failed to set output width\n");
-		return err;
+		dev_err(dai->component->dev, "Failed to set output width\n");
+		goto out;
 	}
 
-	return 0;
-}
+out:
+	si476x_core_unlock(core);
 
-static int si476x_codec_probe(struct snd_soc_codec *codec)
-{
-	codec->control_data = i2c_mfd_cell_to_core(codec->dev);
-	return 0;
+	return err;
 }
 
-static struct snd_soc_dai_ops si476x_dai_ops = {
+static const struct snd_soc_dai_ops si476x_dai_ops = {
 	.hw_params	= si476x_codec_hw_params,
 	.set_fmt	= si476x_codec_set_dai_fmt,
 };
@@ -256,33 +222,39 @@ static struct snd_soc_dai_driver si476x_dai = {
 	.ops		= &si476x_dai_ops,
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_si476x = {
-	.probe  = si476x_codec_probe,
-	.read   = si476x_codec_read,
-	.write  = si476x_codec_write,
+static int si476x_probe(struct snd_soc_component *component)
+{
+	snd_soc_component_init_regmap(component,
+				dev_get_regmap(component->dev->parent, NULL));
+
+	return 0;
+}
+
+static const struct snd_soc_component_driver soc_component_dev_si476x = {
+	.probe			= si476x_probe,
+	.dapm_widgets		= si476x_dapm_widgets,
+	.num_dapm_widgets	= ARRAY_SIZE(si476x_dapm_widgets),
+	.dapm_routes		= si476x_dapm_routes,
+	.num_dapm_routes	= ARRAY_SIZE(si476x_dapm_routes),
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
 };
 
 static int si476x_platform_probe(struct platform_device *pdev)
 {
-	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_si476x,
+	return devm_snd_soc_register_component(&pdev->dev,
+				      &soc_component_dev_si476x,
 				      &si476x_dai, 1);
 }
 
-static int si476x_platform_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_codec(&pdev->dev);
-	return 0;
-}
-
 MODULE_ALIAS("platform:si476x-codec");
 
 static struct platform_driver si476x_platform_driver = {
 	.driver		= {
 		.name	= "si476x-codec",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= si476x_platform_probe,
-	.remove		= si476x_platform_remove,
 };
 module_platform_driver(si476x_platform_driver);