aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/codecs/wm8750.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/wm8750.c')
-rw-r--r--sound/soc/codecs/wm8750.c113
1 files changed, 76 insertions, 37 deletions
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index e4c50ce7d9c..33990b63d21 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/of_device.h>
@@ -34,24 +35,55 @@
* We can't read the WM8750 register space when we
* are using 2 wire for device control, so we cache them instead.
*/
-static const u16 wm8750_reg[] = {
- 0x0097, 0x0097, 0x0079, 0x0079, /* 0 */
- 0x0000, 0x0008, 0x0000, 0x000a, /* 4 */
- 0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */
- 0x000f, 0x000f, 0x0000, 0x0000, /* 12 */
- 0x0000, 0x007b, 0x0000, 0x0032, /* 16 */
- 0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */
- 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
- 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
- 0x0000, 0x0000, 0x0050, 0x0050, /* 32 */
- 0x0050, 0x0050, 0x0050, 0x0050, /* 36 */
- 0x0079, 0x0079, 0x0079, /* 40 */
+static const struct reg_default wm8750_reg_defaults[] = {
+ { 0, 0x0097 },
+ { 1, 0x0097 },
+ { 2, 0x0079 },
+ { 3, 0x0079 },
+ { 4, 0x0000 },
+ { 5, 0x0008 },
+ { 6, 0x0000 },
+ { 7, 0x000a },
+ { 8, 0x0000 },
+ { 9, 0x0000 },
+ { 10, 0x00ff },
+ { 11, 0x00ff },
+ { 12, 0x000f },
+ { 13, 0x000f },
+ { 14, 0x0000 },
+ { 15, 0x0000 },
+ { 16, 0x0000 },
+ { 17, 0x007b },
+ { 18, 0x0000 },
+ { 19, 0x0032 },
+ { 20, 0x0000 },
+ { 21, 0x00c3 },
+ { 22, 0x00c3 },
+ { 23, 0x00c0 },
+ { 24, 0x0000 },
+ { 25, 0x0000 },
+ { 26, 0x0000 },
+ { 27, 0x0000 },
+ { 28, 0x0000 },
+ { 29, 0x0000 },
+ { 30, 0x0000 },
+ { 31, 0x0000 },
+ { 32, 0x0000 },
+ { 33, 0x0000 },
+ { 34, 0x0050 },
+ { 35, 0x0050 },
+ { 36, 0x0050 },
+ { 37, 0x0050 },
+ { 38, 0x0050 },
+ { 39, 0x0050 },
+ { 40, 0x0079 },
+ { 41, 0x0079 },
+ { 42, 0x0079 },
};
/* codec private data */
struct wm8750_priv {
unsigned int sysclk;
- enum snd_soc_control_type control_type;
};
#define wm8750_reset(c) snd_soc_write(c, WM8750_RESET, 0)
@@ -547,8 +579,7 @@ static int wm8750_pcm_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;
struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
u16 iface = snd_soc_read(codec, WM8750_IFACE) & 0x1f3;
u16 srate = snd_soc_read(codec, WM8750_SRATE) & 0x1c0;
@@ -669,15 +700,8 @@ static int wm8750_resume(struct snd_soc_codec *codec)
static int wm8750_probe(struct snd_soc_codec *codec)
{
- struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
int ret;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type);
- if (ret < 0) {
- printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret);
- return ret;
- }
-
ret = wm8750_reset(codec);
if (ret < 0) {
printk(KERN_ERR "wm8750: failed to reset: %d\n", ret);
@@ -712,9 +736,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8750 = {
.suspend = wm8750_suspend,
.resume = wm8750_resume,
.set_bias_level = wm8750_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8750_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8750_reg,
.controls = wm8750_snd_controls,
.num_controls = ARRAY_SIZE(wm8750_snd_controls),
@@ -731,10 +752,21 @@ static const struct of_device_id wm8750_of_match[] = {
};
MODULE_DEVICE_TABLE(of, wm8750_of_match);
+static const struct regmap_config wm8750_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+ .max_register = WM8750_MOUTV,
+
+ .reg_defaults = wm8750_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8750_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+};
+
#if defined(CONFIG_SPI_MASTER)
-static int __devinit wm8750_spi_probe(struct spi_device *spi)
+static int wm8750_spi_probe(struct spi_device *spi)
{
struct wm8750_priv *wm8750;
+ struct regmap *regmap;
int ret;
wm8750 = devm_kzalloc(&spi->dev, sizeof(struct wm8750_priv),
@@ -742,7 +774,10 @@ static int __devinit wm8750_spi_probe(struct spi_device *spi)
if (wm8750 == NULL)
return -ENOMEM;
- wm8750->control_type = SND_SOC_SPI;
+ regmap = devm_regmap_init_spi(spi, &wm8750_regmap);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
spi_set_drvdata(spi, wm8750);
ret = snd_soc_register_codec(&spi->dev,
@@ -750,7 +785,7 @@ static int __devinit wm8750_spi_probe(struct spi_device *spi)
return ret;
}
-static int __devexit wm8750_spi_remove(struct spi_device *spi)
+static int wm8750_spi_remove(struct spi_device *spi)
{
snd_soc_unregister_codec(&spi->dev);
return 0;
@@ -771,15 +806,16 @@ static struct spi_driver wm8750_spi_driver = {
},
.id_table = wm8750_spi_ids,
.probe = wm8750_spi_probe,
- .remove = __devexit_p(wm8750_spi_remove),
+ .remove = wm8750_spi_remove,
};
#endif /* CONFIG_SPI_MASTER */
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static __devinit int wm8750_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+#if IS_ENABLED(CONFIG_I2C)
+static int wm8750_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct wm8750_priv *wm8750;
+ struct regmap *regmap;
int ret;
wm8750 = devm_kzalloc(&i2c->dev, sizeof(struct wm8750_priv),
@@ -788,14 +824,17 @@ static __devinit int wm8750_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;
i2c_set_clientdata(i2c, wm8750);
- wm8750->control_type = SND_SOC_I2C;
+
+ regmap = devm_regmap_init_i2c(i2c, &wm8750_regmap);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8750, &wm8750_dai, 1);
return ret;
}
-static __devexit int wm8750_i2c_remove(struct i2c_client *client)
+static int wm8750_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
return 0;
@@ -815,7 +854,7 @@ static struct i2c_driver wm8750_i2c_driver = {
.of_match_table = wm8750_of_match,
},
.probe = wm8750_i2c_probe,
- .remove = __devexit_p(wm8750_i2c_remove),
+ .remove = wm8750_i2c_remove,
.id_table = wm8750_i2c_id,
};
#endif
@@ -823,7 +862,7 @@ static struct i2c_driver wm8750_i2c_driver = {
static int __init wm8750_modinit(void)
{
int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
ret = i2c_add_driver(&wm8750_i2c_driver);
if (ret != 0) {
printk(KERN_ERR "Failed to register wm8750 I2C driver: %d\n",
@@ -843,7 +882,7 @@ module_init(wm8750_modinit);
static void __exit wm8750_exit(void)
{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
i2c_del_driver(&wm8750_i2c_driver);
#endif
#if defined(CONFIG_SPI_MASTER)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 13:14:28 +0000