ASoC: wm8711: Convert to direct regmap API usage
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c
index 1b1209a..8b8bb70 100644
--- a/sound/soc/codecs/wm8711.c
+++ b/sound/soc/codecs/wm8711.c
@@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/of_device.h>
@@ -32,7 +33,7 @@
/* codec private data */
struct wm8711_priv {
- enum snd_soc_control_type bus_type;
+ struct regmap *regmap;
unsigned int sysclk;
};
@@ -42,11 +43,21 @@
* using 2 wire for device control, so we cache them instead.
* There is no point in caching the reset register
*/
-static const u16 wm8711_reg[WM8711_CACHEREGNUM] = {
- 0x0079, 0x0079, 0x000a, 0x0008,
- 0x009f, 0x000a, 0x0000, 0x0000
+static const struct reg_default wm8711_reg_defaults[] = {
+ { 0, 0x0079 }, { 1, 0x0079 }, { 2, 0x000a }, { 3, 0x0008 },
+ { 4, 0x009f }, { 5, 0x000a }, { 6, 0x0000 }, { 7, 0x0000 },
};
+static bool wm8711_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8711_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
+
#define wm8711_reset(c) snd_soc_write(c, WM8711_RESET, 0)
static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
@@ -289,6 +300,7 @@
static int wm8711_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec);
u16 reg = snd_soc_read(codec, WM8711_PWR) & 0xff7f;
switch (level) {
@@ -299,7 +311,7 @@
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
- snd_soc_cache_sync(codec);
+ regcache_sync(wm8711->regmap);
snd_soc_write(codec, WM8711_PWR, reg | 0x0040);
break;
@@ -353,10 +365,9 @@
static int wm8711_probe(struct snd_soc_codec *codec)
{
- struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec);
int ret;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8711->bus_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;
@@ -391,9 +402,6 @@
.suspend = wm8711_suspend,
.resume = wm8711_resume,
.set_bias_level = wm8711_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8711_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8711_reg,
.controls = wm8711_snd_controls,
.num_controls = ARRAY_SIZE(wm8711_snd_controls),
.dapm_widgets = wm8711_dapm_widgets,
@@ -408,6 +416,18 @@
};
MODULE_DEVICE_TABLE(of, wm8711_of_match);
+static const struct regmap_config wm8711_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+ .max_register = WM8711_RESET,
+
+ .reg_defaults = wm8711_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8711_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+
+ .volatile_reg = wm8711_volatile,
+};
+
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8711_spi_probe(struct spi_device *spi)
{
@@ -419,8 +439,11 @@
if (wm8711 == NULL)
return -ENOMEM;
+ wm8711->regmap = devm_regmap_init_spi(spi, &wm8711_regmap);
+ if (IS_ERR(wm8711->regmap))
+ return PTR_ERR(wm8711->regmap);
+
spi_set_drvdata(spi, wm8711);
- wm8711->bus_type = SND_SOC_SPI;
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8711, &wm8711_dai, 1);
@@ -458,8 +481,11 @@
if (wm8711 == NULL)
return -ENOMEM;
+ wm8711->regmap = devm_regmap_init_i2c(client, &wm8711_regmap);
+ if (IS_ERR(wm8711->regmap))
+ return PTR_ERR(wm8711->regmap);
+
i2c_set_clientdata(client, wm8711);
- wm8711->bus_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&client->dev,
&soc_codec_dev_wm8711, &wm8711_dai, 1);