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Diffstat (limited to 'sound/soc/codecs/wm8728.c')
-rw-r--r--sound/soc/codecs/wm8728.c92
1 files changed, 46 insertions, 46 deletions
diff --git a/sound/soc/codecs/wm8728.c b/sound/soc/codecs/wm8728.c
index fc3d59e4908..bac7fc28fe7 100644
--- a/sound/soc/codecs/wm8728.c
+++ b/sound/soc/codecs/wm8728.c
@@ -17,6 +17,7 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
+#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/of_device.h>
@@ -35,16 +36,16 @@
* the volume update bits, mute the output and enable infinite zero
* detect.
*/
-static const u16 wm8728_reg_defaults[] = {
- 0x1ff,
- 0x1ff,
- 0x001,
- 0x100,
+static const struct reg_default wm8728_reg_defaults[] = {
+ { 0, 0x1ff },
+ { 1, 0x1ff },
+ { 2, 0x001 },
+ { 3, 0x100 },
};
/* codec private data */
struct wm8728_priv {
- enum snd_soc_control_type control_type;
+ struct regmap *regmap;
};
static const DECLARE_TLV_DB_SCALE(wm8728_tlv, -12750, 50, 1);
@@ -88,8 +89,7 @@ static int wm8728_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
u16 dac = snd_soc_read(codec, WM8728_DACCTL);
dac &= ~0x18;
@@ -163,8 +163,8 @@ static int wm8728_set_dai_fmt(struct snd_soc_dai *codec_dai,
static int wm8728_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8728_priv *wm8728 = snd_soc_codec_get_drvdata(codec);
u16 reg;
- int i;
switch (level) {
case SND_SOC_BIAS_ON:
@@ -176,9 +176,7 @@ static int wm8728_set_bias_level(struct snd_soc_codec *codec,
snd_soc_write(codec, WM8728_DACCTL, reg & ~0x4);
/* ..then sync in the register cache. */
- for (i = 0; i < ARRAY_SIZE(wm8728_reg_defaults); i++)
- snd_soc_write(codec, i,
- snd_soc_read(codec, i));
+ regcache_sync(wm8728->regmap);
}
break;
@@ -230,20 +228,10 @@ static int wm8728_resume(struct snd_soc_codec *codec)
static int wm8728_probe(struct snd_soc_codec *codec)
{
- struct wm8728_priv *wm8728 = snd_soc_codec_get_drvdata(codec);
- int ret;
-
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8728->control_type);
- if (ret < 0) {
- printk(KERN_ERR "wm8728: failed to configure cache I/O: %d\n",
- ret);
- return ret;
- }
-
/* power on device */
wm8728_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- return ret;
+ return 0;
}
static int wm8728_remove(struct snd_soc_codec *codec)
@@ -258,9 +246,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8728 = {
.suspend = wm8728_suspend,
.resume = wm8728_resume,
.set_bias_level = wm8728_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8728_reg_defaults),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8728_reg_defaults,
.controls = wm8728_snd_controls,
.num_controls = ARRAY_SIZE(wm8728_snd_controls),
.dapm_widgets = wm8728_dapm_widgets,
@@ -275,30 +260,43 @@ static const struct of_device_id wm8728_of_match[] = {
};
MODULE_DEVICE_TABLE(of, wm8728_of_match);
+static const struct regmap_config wm8728_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+ .max_register = WM8728_IFCTL,
+
+ .reg_defaults = wm8728_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8728_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+};
+
#if defined(CONFIG_SPI_MASTER)
-static int __devinit wm8728_spi_probe(struct spi_device *spi)
+static int wm8728_spi_probe(struct spi_device *spi)
{
struct wm8728_priv *wm8728;
int ret;
- wm8728 = kzalloc(sizeof(struct wm8728_priv), GFP_KERNEL);
+ wm8728 = devm_kzalloc(&spi->dev, sizeof(struct wm8728_priv),
+ GFP_KERNEL);
if (wm8728 == NULL)
return -ENOMEM;
- wm8728->control_type = SND_SOC_SPI;
+ wm8728->regmap = devm_regmap_init_spi(spi, &wm8728_regmap);
+ if (IS_ERR(wm8728->regmap))
+ return PTR_ERR(wm8728->regmap);
+
spi_set_drvdata(spi, wm8728);
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8728, &wm8728_dai, 1);
- if (ret < 0)
- kfree(wm8728);
+
return ret;
}
-static int __devexit wm8728_spi_remove(struct spi_device *spi)
+static int wm8728_spi_remove(struct spi_device *spi)
{
snd_soc_unregister_codec(&spi->dev);
- kfree(spi_get_drvdata(spi));
+
return 0;
}
@@ -309,35 +307,37 @@ static struct spi_driver wm8728_spi_driver = {
.of_match_table = wm8728_of_match,
},
.probe = wm8728_spi_probe,
- .remove = __devexit_p(wm8728_spi_remove),
+ .remove = wm8728_spi_remove,
};
#endif /* CONFIG_SPI_MASTER */
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static __devinit int wm8728_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+#if IS_ENABLED(CONFIG_I2C)
+static int wm8728_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct wm8728_priv *wm8728;
int ret;
- wm8728 = kzalloc(sizeof(struct wm8728_priv), GFP_KERNEL);
+ wm8728 = devm_kzalloc(&i2c->dev, sizeof(struct wm8728_priv),
+ GFP_KERNEL);
if (wm8728 == NULL)
return -ENOMEM;
+ wm8728->regmap = devm_regmap_init_i2c(i2c, &wm8728_regmap);
+ if (IS_ERR(wm8728->regmap))
+ return PTR_ERR(wm8728->regmap);
+
i2c_set_clientdata(i2c, wm8728);
- wm8728->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8728, &wm8728_dai, 1);
- if (ret < 0)
- kfree(wm8728);
+
return ret;
}
-static __devexit int wm8728_i2c_remove(struct i2c_client *client)
+static int wm8728_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
return 0;
}
@@ -354,7 +354,7 @@ static struct i2c_driver wm8728_i2c_driver = {
.of_match_table = wm8728_of_match,
},
.probe = wm8728_i2c_probe,
- .remove = __devexit_p(wm8728_i2c_remove),
+ .remove = wm8728_i2c_remove,
.id_table = wm8728_i2c_id,
};
#endif
@@ -362,7 +362,7 @@ static struct i2c_driver wm8728_i2c_driver = {
static int __init wm8728_modinit(void)
{
int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
ret = i2c_add_driver(&wm8728_i2c_driver);
if (ret != 0) {
printk(KERN_ERR "Failed to register wm8728 I2C driver: %d\n",
@@ -382,7 +382,7 @@ module_init(wm8728_modinit);
static void __exit wm8728_exit(void)
{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
i2c_del_driver(&wm8728_i2c_driver);
#endif
#if defined(CONFIG_SPI_MASTER)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 12:14:38 +0000