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ASoC: wm8971: Convert to direct regmap API usage

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-10-10 21:43:05 +09:00
parent ddffeb8c4d
commit bc7f610fee
1 changed files with 61 additions and 19 deletions
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80
sound/soc/codecs/wm8971.c
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@ -19,6 +19,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
@ -34,7 +35,6 @@ static struct workqueue_struct *wm8971_workq = NULL;
/* codec private data */
struct wm8971_priv {
enum snd_soc_control_type control_type;
unsigned int sysclk;
};
@ -43,18 +43,50 @@ struct wm8971_priv {
* We can't read the WM8971 register space when we
* are using 2 wire for device control, so we cache them instead.
*/
static const u16 wm8971_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 wm8971_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 },
};
#define wm8971_reset(c) snd_soc_write(c, WM8971_RESET, 0)
@ -613,11 +645,10 @@ static int wm8971_resume(struct snd_soc_codec *codec)
static int wm8971_probe(struct snd_soc_codec *codec)
{
struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
u16 reg;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8971->control_type);
ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
if (ret < 0) {
printk(KERN_ERR "wm8971: failed to set cache I/O: %d\n", ret);
return ret;
@ -667,9 +698,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8971 = {
.suspend = wm8971_suspend,
.resume = wm8971_resume,
.set_bias_level = wm8971_set_bias_level,
.reg_cache_size = ARRAY_SIZE(wm8971_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = wm8971_reg,
.controls = wm8971_snd_controls,
.num_controls = ARRAY_SIZE(wm8971_snd_controls),
@ -679,10 +707,21 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8971 = {
.num_dapm_routes = ARRAY_SIZE(wm8971_dapm_routes),
};
static const struct regmap_config wm8971_regmap = {
.reg_bits = 7,
.val_bits = 9,
.max_register = WM8971_MOUTV,
.reg_defaults = wm8971_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8971_reg_defaults),
.cache_type = REGCACHE_RBTREE,
};
static __devinit int wm8971_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm8971_priv *wm8971;
struct regmap *regmap;
int ret;
wm8971 = devm_kzalloc(&i2c->dev, sizeof(struct wm8971_priv),
@ -690,7 +729,10 @@ static __devinit int wm8971_i2c_probe(struct i2c_client *i2c,
if (wm8971 == NULL)
return -ENOMEM;
wm8971->control_type = SND_SOC_I2C;
regmap = devm_regmap_init_i2c(i2c, &wm8971_regmap);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
i2c_set_clientdata(i2c, wm8971);
ret = snd_soc_register_codec(&i2c->dev,