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ASoC: ab8500: Convert register I/O to regmap

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As part of a general push to eliminate the duplicated register I/O support
in ASoC convert ab8500 to use regmap.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Mark Brown 2013-09-20 10:38:16 +01:00
parent 51f20e4cd8
commit ff795d614b
1 changed files with 34 additions and 38 deletions
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72
sound/soc/codecs/ab8500-codec.c
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@ -126,6 +126,8 @@ struct ab8500_codec_drvdata_dbg {
/* Private data for AB8500 device-driver */
struct ab8500_codec_drvdata {
struct regmap *regmap;
/* Sidetone */
long *sid_fir_values;
enum sid_state sid_status;
@ -166,49 +168,35 @@ static inline const char *amic_type_str(enum amic_type type)
*/
/* Read a register from the audio-bank of AB8500 */
static unsigned int ab8500_codec_read_reg(struct snd_soc_codec *codec,
unsigned int reg)
static int ab8500_codec_read_reg(void *context, unsigned int reg,
unsigned int *value)
{
struct device *dev = context;
int status;
unsigned int value = 0;
u8 value8;
status = abx500_get_register_interruptible(codec->dev, AB8500_AUDIO,
reg, &value8);
if (status < 0) {
dev_err(codec->dev,
"%s: ERROR: Register (0x%02x:0x%02x) read failed (%d).\n",
__func__, (u8)AB8500_AUDIO, (u8)reg, status);
} else {
dev_dbg(codec->dev,
"%s: Read 0x%02x from register 0x%02x:0x%02x\n",
__func__, value8, (u8)AB8500_AUDIO, (u8)reg);
value = (unsigned int)value8;
}
return value;
}
/* Write to a register in the audio-bank of AB8500 */
static int ab8500_codec_write_reg(struct snd_soc_codec *codec,
unsigned int reg, unsigned int value)
{
int status;
status = abx500_set_register_interruptible(codec->dev, AB8500_AUDIO,
reg, value);
if (status < 0)
dev_err(codec->dev,
"%s: ERROR: Register (%02x:%02x) write failed (%d).\n",
__func__, (u8)AB8500_AUDIO, (u8)reg, status);
else
dev_dbg(codec->dev,
"%s: Wrote 0x%02x into register %02x:%02x\n",
__func__, (u8)value, (u8)AB8500_AUDIO, (u8)reg);
status = abx500_get_register_interruptible(dev, AB8500_AUDIO,
reg, &value8);
*value = (unsigned int)value8;
return status;
}
/* Write to a register in the audio-bank of AB8500 */
static int ab8500_codec_write_reg(void *context, unsigned int reg,
unsigned int value)
{
struct device *dev = context;
return abx500_set_register_interruptible(dev, AB8500_AUDIO,
reg, value);
}
static const struct regmap_config ab8500_codec_regmap = {
.reg_read = ab8500_codec_read_reg,
.reg_write = ab8500_codec_write_reg,
};
/*
* Controls - DAPM
*/
@ -2483,6 +2471,8 @@ static int ab8500_codec_probe(struct snd_soc_codec *codec)
/* Setup AB8500 according to board-settings */
pdata = dev_get_platdata(dev->parent);
codec->control_data = drvdata->regmap;
if (np) {
if (!pdata)
pdata = devm_kzalloc(dev,
@ -2560,9 +2550,6 @@ static int ab8500_codec_probe(struct snd_soc_codec *codec)
static struct snd_soc_codec_driver ab8500_codec_driver = {
.probe = ab8500_codec_probe,
.read = ab8500_codec_read_reg,
.write = ab8500_codec_write_reg,
.reg_word_size = sizeof(u8),
.controls = ab8500_ctrls,
.num_controls = ARRAY_SIZE(ab8500_ctrls),
.dapm_widgets = ab8500_dapm_widgets,
@ -2585,6 +2572,15 @@ static int ab8500_codec_driver_probe(struct platform_device *pdev)
drvdata->anc_status = ANC_UNCONFIGURED;
dev_set_drvdata(&pdev->dev, drvdata);
drvdata->regmap = devm_regmap_init(&pdev->dev, NULL, &pdev->dev,
&ab8500_codec_regmap);
if (IS_ERR(drvdata->regmap)) {
status = PTR_ERR(drvdata->regmap);
dev_err(&pdev->dev, "%s: Failed to allocate regmap: %d\n",
__func__, status);
return status;
}
dev_dbg(&pdev->dev, "%s: Register codec.\n", __func__);
status = snd_soc_register_codec(&pdev->dev, &ab8500_codec_driver,
ab8500_codec_dai,