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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-10-10 21:43:05 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-10-15 11:50:40 +0900
commitbc7f610fee9deb6752694d22177685cfc359da10 (patch)
tree65dad53ceb84be420c831288b9309044d6c12e41
parentddffeb8c4d0331609ef2581d84de4d763607bd37 (diff)
downloadop-kernel-dev-bc7f610fee9deb6752694d22177685cfc359da10.zip
op-kernel-dev-bc7f610fee9deb6752694d22177685cfc359da10.tar.gz
ASoC: wm8971: Convert to direct regmap API usage
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--sound/soc/codecs/wm8971.c80
1 files changed, 61 insertions, 19 deletions
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c
index 5ce6477..70dd27e 100644
--- a/sound/soc/codecs/wm8971.c
+++ b/sound/soc/codecs/wm8971.c
@@ -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,
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