ASoC: wm8770: Convert to direct regmap API usage

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-10-10 20:22:42 +09:00
parent ddffeb8c4d
commit dc43b04671

View file

@ -17,6 +17,7 @@
#include <linux/of_device.h>
#include <linux/pm.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/core.h>
@ -35,19 +36,52 @@ static const char *wm8770_supply_names[WM8770_NUM_SUPPLIES] = {
"DVDD"
};
static const u16 wm8770_reg_defs[WM8770_CACHEREGNUM] = {
0x7f, 0x7f, 0x7f, 0x7f,
0x7f, 0x7f, 0x7f, 0x7f,
0x7f, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0, 0x90, 0,
0, 0x22, 0x22, 0x3e,
0xc, 0xc, 0x100, 0x189,
0x189, 0x8770
static const struct reg_default wm8770_reg_defaults[] = {
{ 0, 0x7f },
{ 1, 0x7f },
{ 2, 0x7f },
{ 3, 0x7f },
{ 4, 0x7f },
{ 5, 0x7f },
{ 6, 0x7f },
{ 7, 0x7f },
{ 8, 0x7f },
{ 9, 0xff },
{ 10, 0xff },
{ 11, 0xff },
{ 12, 0xff },
{ 13, 0xff },
{ 14, 0xff },
{ 15, 0xff },
{ 16, 0xff },
{ 17, 0xff },
{ 18, 0 },
{ 19, 0x90 },
{ 20, 0 },
{ 21, 0 },
{ 22, 0x22 },
{ 23, 0x22 },
{ 24, 0x3e },
{ 25, 0xc },
{ 26, 0xc },
{ 27, 0x100 },
{ 28, 0x189 },
{ 29, 0x189 },
{ 30, 0x8770 },
};
static bool wm8770_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8770_RESET:
return true;
default:
return false;
}
}
struct wm8770_priv {
enum snd_soc_control_type control_type;
struct regmap *regmap;
struct regulator_bulk_data supplies[WM8770_NUM_SUPPLIES];
struct notifier_block disable_nb[WM8770_NUM_SUPPLIES];
struct snd_soc_codec *codec;
@ -71,7 +105,7 @@ static int wm8770_regulator_event_##n(struct notifier_block *nb, \
struct wm8770_priv *wm8770 = container_of(nb, struct wm8770_priv, \
disable_nb[n]); \
if (event & REGULATOR_EVENT_DISABLE) { \
wm8770->codec->cache_sync = 1; \
regcache_mark_dirty(wm8770->regmap); \
} \
return 0; \
}
@ -466,24 +500,6 @@ static int wm8770_set_sysclk(struct snd_soc_dai *dai,
return 0;
}
static void wm8770_sync_cache(struct snd_soc_codec *codec)
{
int i;
u16 *cache;
if (!codec->cache_sync)
return;
codec->cache_only = 0;
cache = codec->reg_cache;
for (i = 0; i < codec->driver->reg_cache_size; i++) {
if (i == WM8770_RESET || cache[i] == wm8770_reg_defs[i])
continue;
snd_soc_write(codec, i, cache[i]);
}
codec->cache_sync = 0;
}
static int wm8770_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
@ -507,7 +523,9 @@ static int wm8770_set_bias_level(struct snd_soc_codec *codec,
ret);
return ret;
}
wm8770_sync_cache(codec);
regcache_sync(wm8770->regmap);
/* global powerup */
snd_soc_write(codec, WM8770_PWDNCTRL, 0);
}
@ -580,7 +598,7 @@ static int wm8770_probe(struct snd_soc_codec *codec)
wm8770 = snd_soc_codec_get_drvdata(codec);
wm8770->codec = codec;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8770->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;
@ -678,9 +696,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8770 = {
.resume = wm8770_resume,
.set_bias_level = wm8770_set_bias_level,
.idle_bias_off = true,
.reg_cache_size = ARRAY_SIZE(wm8770_reg_defs),
.reg_word_size = sizeof (u16),
.reg_cache_default = wm8770_reg_defs
};
static const struct of_device_id wm8770_of_match[] = {
@ -689,6 +704,18 @@ static const struct of_device_id wm8770_of_match[] = {
};
MODULE_DEVICE_TABLE(of, wm8770_of_match);
static const struct regmap_config wm8770_regmap = {
.reg_bits = 7,
.val_bits = 9,
.max_register = WM8770_RESET,
.reg_defaults = wm8770_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8770_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.volatile_reg = wm8770_volatile_reg,
};
static int __devinit wm8770_spi_probe(struct spi_device *spi)
{
struct wm8770_priv *wm8770;
@ -699,7 +726,10 @@ static int __devinit wm8770_spi_probe(struct spi_device *spi)
if (!wm8770)
return -ENOMEM;
wm8770->control_type = SND_SOC_SPI;
wm8770->regmap = devm_regmap_init_spi(spi, &wm8770_regmap);
if (IS_ERR(wm8770->regmap))
return PTR_ERR(wm8770->regmap);
spi_set_drvdata(spi, wm8770);
ret = snd_soc_register_codec(&spi->dev,