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authorMark Brown <broonie@linaro.org>2013-09-24 22:26:08 +0400
committerMark Brown <broonie@linaro.org>2013-09-24 23:38:04 +0400
commit4aa11d67b66a84189d25f301e7ef206c4f541692 (patch)
tree9a4e5142f6598d5372ce2858e711915dd08348a5 /sound/soc
parentb07c443fabb97f909c8cc406bfd2d0ecc002bc3b (diff)
downloadlinux-4aa11d67b66a84189d25f301e7ef206c4f541692.tar.xz
ASoC: tlv320aic23: Convert to direct regmap API usage
This moves us towards being able to remove the duplicated register I/O code in ASoC. Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/tlv320aic23.c54
1 files changed, 31 insertions, 23 deletions
diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c
index 3a6be8c3d557..5d430cc56f51 100644
--- a/sound/soc/codecs/tlv320aic23.c
+++ b/sound/soc/codecs/tlv320aic23.c
@@ -24,6 +24,7 @@
#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>
@@ -37,11 +38,27 @@
/*
* AIC23 register cache
*/
-static const u16 tlv320aic23_reg[] = {
- 0x0097, 0x0097, 0x00F9, 0x00F9, /* 0 */
- 0x001A, 0x0004, 0x0007, 0x0001, /* 4 */
- 0x0020, 0x0000, 0x0000, 0x0000, /* 8 */
- 0x0000, 0x0000, 0x0000, 0x0000, /* 12 */
+static const struct reg_default tlv320aic23_reg[] = {
+ { 0, 0x0097 },
+ { 1, 0x0097 },
+ { 2, 0x00F9 },
+ { 3, 0x00F9 },
+ { 4, 0x001A },
+ { 5, 0x0004 },
+ { 6, 0x0007 },
+ { 7, 0x0001 },
+ { 8, 0x0020 },
+ { 9, 0x0000 },
+};
+
+static const struct regmap_config tlv320aic23_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+
+ .max_register = TLV320AIC23_RESET,
+ .reg_defaults = tlv320aic23_reg,
+ .num_reg_defaults = ARRAY_SIZE(tlv320aic23_reg),
+ .cache_type = REGCACHE_RBTREE,
};
static const char *rec_src_text[] = { "Line", "Mic" };
@@ -171,7 +188,7 @@ static const struct snd_soc_dapm_route tlv320aic23_intercon[] = {
/* AIC23 driver data */
struct aic23 {
- enum snd_soc_control_type control_type;
+ struct regmap *regmap;
int mclk;
int requested_adc;
int requested_dac;
@@ -532,7 +549,9 @@ static int tlv320aic23_suspend(struct snd_soc_codec *codec)
static int tlv320aic23_resume(struct snd_soc_codec *codec)
{
- snd_soc_cache_sync(codec);
+ struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec);
+ regcache_mark_dirty(aic23->regmap);
+ regcache_sync(aic23->regmap);
tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
@@ -540,10 +559,9 @@ static int tlv320aic23_resume(struct snd_soc_codec *codec)
static int tlv320aic23_probe(struct snd_soc_codec *codec)
{
- struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec);
int ret;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, aic23->control_type);
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
@@ -552,16 +570,6 @@ static int tlv320aic23_probe(struct snd_soc_codec *codec)
/* Reset codec */
snd_soc_write(codec, TLV320AIC23_RESET, 0);
- /* Write the register default value to cache for reserved registers,
- * so the write to the these registers are suppressed by the cache
- * restore code when it skips writes of default registers.
- */
- snd_soc_cache_write(codec, 0x0A, 0);
- snd_soc_cache_write(codec, 0x0B, 0);
- snd_soc_cache_write(codec, 0x0C, 0);
- snd_soc_cache_write(codec, 0x0D, 0);
- snd_soc_cache_write(codec, 0x0E, 0);
-
/* power on device */
tlv320aic23_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@@ -596,9 +604,6 @@ static int tlv320aic23_remove(struct snd_soc_codec *codec)
}
static struct snd_soc_codec_driver soc_codec_dev_tlv320aic23 = {
- .reg_cache_size = ARRAY_SIZE(tlv320aic23_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = tlv320aic23_reg,
.probe = tlv320aic23_probe,
.remove = tlv320aic23_remove,
.suspend = tlv320aic23_suspend,
@@ -629,8 +634,11 @@ static int tlv320aic23_codec_probe(struct i2c_client *i2c,
if (aic23 == NULL)
return -ENOMEM;
+ aic23->regmap = devm_regmap_init_i2c(i2c, &tlv320aic23_regmap);
+ if (IS_ERR(aic23->regmap))
+ return PTR_ERR(aic23->regmap);
+
i2c_set_clientdata(i2c, aic23);
- aic23->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_tlv320aic23, &tlv320aic23_dai, 1);