ASoC: wm8776: Convert to direct regmap API usage
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index 879c356..c32249d 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -19,6 +19,7 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/of_device.h>
+#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <sound/core.h>
@@ -37,18 +38,46 @@
/* codec private data */
struct wm8776_priv {
- enum snd_soc_control_type control_type;
+ struct regmap *regmap;
int sysclk[2];
};
-static const u16 wm8776_reg[WM8776_CACHEREGNUM] = {
- 0x79, 0x79, 0x79, 0xff, 0xff, /* 4 */
- 0xff, 0x00, 0x90, 0x00, 0x00, /* 9 */
- 0x22, 0x22, 0x22, 0x08, 0xcf, /* 14 */
- 0xcf, 0x7b, 0x00, 0x32, 0x00, /* 19 */
- 0xa6, 0x01, 0x01
+static const struct reg_default wm8776_reg_defaults[] = {
+ { 0, 0x79 },
+ { 1, 0x79 },
+ { 2, 0x79 },
+ { 3, 0xff },
+ { 4, 0xff },
+ { 5, 0xff },
+ { 6, 0x00 },
+ { 7, 0x90 },
+ { 8, 0x00 },
+ { 9, 0x00 },
+ { 10, 0x22 },
+ { 11, 0x22 },
+ { 12, 0x22 },
+ { 13, 0x08 },
+ { 14, 0xcf },
+ { 15, 0xcf },
+ { 16, 0x7b },
+ { 17, 0x00 },
+ { 18, 0x32 },
+ { 19, 0x00 },
+ { 20, 0xa6 },
+ { 21, 0x01 },
+ { 22, 0x01 },
};
+static bool wm8776_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8776_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
+
static int wm8776_reset(struct snd_soc_codec *codec)
{
return snd_soc_write(codec, WM8776_RESET, 0);
@@ -306,6 +335,8 @@
static int wm8776_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec);
+
switch (level) {
case SND_SOC_BIAS_ON:
break;
@@ -313,7 +344,7 @@
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
- snd_soc_cache_sync(codec);
+ regcache_sync(wm8776->regmap);
/* Disable the global powerdown; DAPM does the rest */
snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 0);
@@ -396,10 +427,9 @@
static int wm8776_probe(struct snd_soc_codec *codec)
{
- struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8776->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;
@@ -434,9 +464,6 @@
.suspend = wm8776_suspend,
.resume = wm8776_resume,
.set_bias_level = wm8776_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8776_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8776_reg,
.controls = wm8776_snd_controls,
.num_controls = ARRAY_SIZE(wm8776_snd_controls),
@@ -452,6 +479,18 @@
};
MODULE_DEVICE_TABLE(of, wm8776_of_match);
+static const struct regmap_config wm8776_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+ .max_register = WM8776_RESET,
+
+ .reg_defaults = wm8776_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8776_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+
+ .volatile_reg = wm8776_volatile,
+};
+
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8776_spi_probe(struct spi_device *spi)
{
@@ -463,7 +502,10 @@
if (wm8776 == NULL)
return -ENOMEM;
- wm8776->control_type = SND_SOC_SPI;
+ wm8776->regmap = devm_regmap_init_spi(spi, &wm8776_regmap);
+ if (IS_ERR(wm8776->regmap))
+ return PTR_ERR(wm8776->regmap);
+
spi_set_drvdata(spi, wm8776);
ret = snd_soc_register_codec(&spi->dev,
@@ -501,8 +543,11 @@
if (wm8776 == NULL)
return -ENOMEM;
+ wm8776->regmap = devm_regmap_init_i2c(i2c, &wm8776_regmap);
+ if (IS_ERR(wm8776->regmap))
+ return PTR_ERR(wm8776->regmap);
+
i2c_set_clientdata(i2c, wm8776);
- wm8776->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai));