[PATCH 3/3] ASoC: mc13783: Use regmap directly from ASoC

Mark Brown
2013-09-18T18:07:15Z

From: Mark Brown <broonie@linaro.org>

As part of a push to remove the register I/O functionality from ASoC (since
it is now duplicated in the regmap API) convert the mc13783 driver to use
regmap directly.

Signed-off-by: Mark Brown <broonie@linaro.org>
---
sound/soc/codecs/mc13783.c | 55 ++++++++--------------------------------------
1 file changed, 9 insertions(+), 46 deletions(-)

diff --git a/sound/soc/codecs/mc13783.c b/sound/soc/codecs/mc13783.c
index 4d3c8fd..eedbf05 100644
--- a/sound/soc/codecs/mc13783.c
+++ b/sound/soc/codecs/mc13783.c
@@ -30,16 +30,10 @@
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/soc-dapm.h>
+#include <linux/regmap.h>

#include "mc13783.h"

-#define MC13783_AUDIO_RX0 36
-#define MC13783_AUDIO_RX1 37
-#define MC13783_AUDIO_TX 38
-#define MC13783_SSI_NETWORK 39
-#define MC13783_AUDIO_CODEC 40
-#define MC13783_AUDIO_DAC 41
-
#define AUDIO_RX0_ALSPEN (1 << 5)
#define AUDIO_RX0_ALSPSEL (1 << 7)
#define AUDIO_RX0_ADDCDC (1 << 21)
@@ -95,41 +89,12 @@

struct mc13783_priv {
struct mc13xxx *mc13xxx;
+ struct regmap *regmap;

enum mc13783_ssi_port adc_ssi_port;
enum mc13783_ssi_port dac_ssi_port;
};

-static unsigned int mc13783_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
- unsigned int value = 0;
-
- mc13xxx_lock(priv->mc13xxx);
-
- mc13xxx_reg_read(priv->mc13xxx, reg, &value);
-
- mc13xxx_unlock(priv->mc13xxx);
-
- return value;
-}
-
-static int mc13783_write(struct snd_soc_codec *codec,
- unsigned int reg, unsigned int value)
-{
- struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
- int ret;
-
- mc13xxx_lock(priv->mc13xxx);
-
- ret = mc13xxx_reg_write(priv->mc13xxx, reg, value);
-
- mc13xxx_unlock(priv->mc13xxx);
-
- return ret;
-}
-
/* Mapping between sample rates and register value */
static unsigned int mc13783_rates[] = {
8000, 11025, 12000, 16000,
@@ -583,8 +548,14 @@ static struct snd_kcontrol_new mc13783_control_list[] = {
static int mc13783_probe(struct snd_soc_codec *codec)
{
struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);
+ int ret;

- mc13xxx_lock(priv->mc13xxx);
+ codec->control_data = dev_get_regmap(codec->dev->parent, NULL);
+ ret = snd_soc_codec_set_cache_io(codec, 8, 24, SND_SOC_REGMAP);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
+ }

/* these are the reset values */
mc13xxx_reg_write(priv->mc13xxx, MC13783_AUDIO_RX0, 0x25893);
@@ -608,8 +579,6 @@ static int mc13783_probe(struct snd_soc_codec *codec)
mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_DAC,
0, AUDIO_SSI_SEL);

- mc13xxx_unlock(priv->mc13xxx);
-
return 0;
}

@@ -617,13 +586,9 @@ static int mc13783_remove(struct snd_soc_codec *codec)
{
struct mc13783_priv *priv = snd_soc_codec_get_drvdata(codec);

- mc13xxx_lock(priv->mc13xxx);
-
/* Make sure VAUDIOON is off */
mc13xxx_reg_rmw(priv->mc13xxx, MC13783_AUDIO_RX0, 0x3, 0);

- mc13xxx_unlock(priv->mc13xxx);
-
return 0;
}

@@ -713,8 +678,6 @@ static struct snd_soc_dai_driver mc13783_dai_sync[] = {
static struct snd_soc_codec_driver soc_codec_dev_mc13783 = {
.probe = mc13783_probe,
.remove = mc13783_remove,
- .read = mc13783_read,
- .write = mc13783_write,
.controls = mc13783_control_list,
.num_controls = ARRAY_SIZE(mc13783_control_list),
.dapm_widgets = mc13783_dapm_widgets,
--
1.8.4.rc3