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-rw-r--r--sound/soc/codecs/wm8750.c86
1 files changed, 66 insertions, 20 deletions
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index 89151ca5e776..7665d68c4558 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)
@@ -668,10 +700,9 @@ 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);
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
if (ret < 0) {
printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret);
return ret;
@@ -711,9 +742,6 @@ 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),
@@ -730,10 +758,21 @@ 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)
{
struct wm8750_priv *wm8750;
+ struct regmap *regmap;
int ret;
wm8750 = devm_kzalloc(&spi->dev, sizeof(struct wm8750_priv),
@@ -741,7 +780,10 @@ 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,
@@ -779,6 +821,7 @@ static __devinit 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),
@@ -787,7 +830,10 @@ 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);