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ASoC: tlv320aic32x4: Convert to direct regmap API usage 

This moves us towards being able to remove the duplicate register I/O
functionality in ASoC and saves some code.

Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Mark Brown 2013-09-25 11:37:53 +01:00
parent 752b776435
commit 4d208ca429
1 changed files with 23 additions and 66 deletions
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89
sound/soc/codecs/tlv320aic32x4.c
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@ -60,9 +60,8 @@ struct aic32x4_rate_divs {
};
struct aic32x4_priv {
struct regmap *regmap;
u32 sysclk;
u8 page_no;
void *control_data;
u32 power_cfg;
u32 micpga_routing;
bool swapdacs;
@ -262,67 +261,25 @@ static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
{"Right ADC", NULL, "Right Input Mixer"},
};
static inline int aic32x4_change_page(struct snd_soc_codec *codec,
unsigned int new_page)
{
struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
u8 data[2];
int ret;
static const struct regmap_range_cfg aic32x4_regmap_pages[] = {
{
.selector_reg = 0,
.selector_mask = 0xff,
.window_start = 0,
.window_len = 128,
.range_min = AIC32X4_PAGE1,
.range_max = AIC32X4_PAGE1 + 127,
},
};
data[0] = 0x00;
data[1] = new_page & 0xff;
static const struct regmap_config aic32x4_regmap = {
.reg_bits = 8,
.val_bits = 8,
ret = codec->hw_write(codec->control_data, data, 2);
if (ret == 2) {
aic32x4->page_no = new_page;
return 0;
} else {
return ret;
}
}
static int aic32x4_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int val)
{
struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
unsigned int page = reg / 128;
unsigned int fixed_reg = reg % 128;
u8 data[2];
int ret;
/* A write to AIC32X4_PSEL is really a non-explicit page change */
if (reg == AIC32X4_PSEL)
return aic32x4_change_page(codec, val);
if (aic32x4->page_no != page) {
ret = aic32x4_change_page(codec, page);
if (ret != 0)
return ret;
}
data[0] = fixed_reg & 0xff;
data[1] = val & 0xff;
if (codec->hw_write(codec->control_data, data, 2) == 2)
return 0;
else
return -EIO;
}
static unsigned int aic32x4_read(struct snd_soc_codec *codec, unsigned int reg)
{
struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
unsigned int page = reg / 128;
unsigned int fixed_reg = reg % 128;
int ret;
if (aic32x4->page_no != page) {
ret = aic32x4_change_page(codec, page);
if (ret != 0)
return ret;
}
return i2c_smbus_read_byte_data(codec->control_data, fixed_reg & 0xff);
}
.max_register = AIC32X4_RMICPGAVOL,
.ranges = aic32x4_regmap_pages,
.num_ranges = ARRAY_SIZE(aic32x4_regmap_pages),
};
static inline int aic32x4_get_divs(int mclk, int rate)
{
@ -618,8 +575,7 @@ static int aic32x4_probe(struct snd_soc_codec *codec)
struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec);
u32 tmp_reg;
codec->hw_write = (hw_write_t) i2c_master_send;
codec->control_data = aic32x4->control_data;
snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
if (aic32x4->rstn_gpio >= 0) {
ndelay(10);
@ -687,8 +643,6 @@ static int aic32x4_remove(struct snd_soc_codec *codec)
}
static struct snd_soc_codec_driver soc_codec_dev_aic32x4 = {
.read = aic32x4_read,
.write = aic32x4_write,
.probe = aic32x4_probe,
.remove = aic32x4_remove,
.suspend = aic32x4_suspend,
@ -715,7 +669,10 @@ static int aic32x4_i2c_probe(struct i2c_client *i2c,
if (aic32x4 == NULL)
return -ENOMEM;
aic32x4->control_data = i2c;
aic32x4->regmap = devm_regmap_init_i2c(i2c, &aic32x4_regmap);
if (IS_ERR(aic32x4->regmap))
return PTR_ERR(aic32x4->regmap);
i2c_set_clientdata(i2c, aic32x4);
if (pdata) {