korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-17 01:04:19 +08:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: wm8750: Convert to direct regmap API usage

Browse Source 
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-10-10 21:55:18 +09:00
parent ddffeb8c4d
commit ed79edac0d
1 changed files with 66 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
sound/soc/codecs/wm8750.c
View File

@ -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);