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>

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);