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ASoC: SSM2602: Convert to direct regmap API usage 

Mostly a one to one converion. On one occasion the patch replaces a
snd_soc_read-snd_soc_write sequence with regmap_update_bits though as it helps
to keep the conversion simple.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Lars-Peter Clausen 2012-04-25 11:42:48 +02:00 committed by Mark Brown
parent d86a11d68c
commit bec3d9a973
1 changed files with 57 additions and 30 deletions
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87
sound/soc/codecs/ssm2602.c
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@ -33,6 +33,7 @@
#include <linux/pm.h> #include <linux/pm.h>
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/spi/spi.h> #include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <sound/core.h> #include <sound/core.h>
#include <sound/pcm.h> #include <sound/pcm.h>
@ -52,10 +53,11 @@ enum ssm2602_type {
struct ssm2602_priv { struct ssm2602_priv {
unsigned int sysclk; unsigned int sysclk;
struct snd_pcm_hw_constraint_list *sysclk_constraints; struct snd_pcm_hw_constraint_list *sysclk_constraints;
enum snd_soc_control_type control_type;
struct snd_pcm_substream *master_substream; struct snd_pcm_substream *master_substream;
struct snd_pcm_substream *slave_substream; struct snd_pcm_substream *slave_substream;
struct regmap *regmap;
enum ssm2602_type type; enum ssm2602_type type;
unsigned int clk_out_pwr; unsigned int clk_out_pwr;
}; };
@ -72,7 +74,6 @@ static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
0x0000, 0x0000 0x0000, 0x0000
}; };
#define ssm2602_reset(c) snd_soc_write(c, SSM2602_RESET, 0)
/*Appending several "None"s just for OSS mixer use*/ /*Appending several "None"s just for OSS mixer use*/
static const char *ssm2602_input_select[] = { static const char *ssm2602_input_select[] = {
@ -273,8 +274,8 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream,
{ {
struct snd_soc_codec *codec = dai->codec; struct snd_soc_codec *codec = dai->codec;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
u16 iface = snd_soc_read(codec, SSM2602_IFACE) & 0xfff3;
int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params));
unsigned int iface;
if (substream == ssm2602->slave_substream) { if (substream == ssm2602->slave_substream) {
dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n"); dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n");
@ -284,23 +285,27 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream,
if (srate < 0) if (srate < 0)
return srate; return srate;
snd_soc_write(codec, SSM2602_SRATE, srate); regmap_write(ssm2602->regmap, SSM2602_SRATE, srate);
/* bit size */ /* bit size */
switch (params_format(params)) { switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE: case SNDRV_PCM_FORMAT_S16_LE:
iface = 0x0;
break; break;
case SNDRV_PCM_FORMAT_S20_3LE: case SNDRV_PCM_FORMAT_S20_3LE:
iface |= 0x0004; iface = 0x4;
break; break;
case SNDRV_PCM_FORMAT_S24_LE: case SNDRV_PCM_FORMAT_S24_LE:
iface |= 0x0008; iface = 0x8;
break; break;
case SNDRV_PCM_FORMAT_S32_LE: case SNDRV_PCM_FORMAT_S32_LE:
iface |= 0x000c; iface = 0xc;
break; break;
default:
return -EINVAL;
} }
snd_soc_write(codec, SSM2602_IFACE, iface); regmap_update_bits(ssm2602->regmap, SSM2602_IFACE,
IFACE_AUDIO_DATA_LEN, iface);
return 0; return 0;
} }
@ -361,14 +366,14 @@ static void ssm2602_shutdown(struct snd_pcm_substream *substream,
static int ssm2602_mute(struct snd_soc_dai *dai, int mute) static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
{ {
struct snd_soc_codec *codec = dai->codec; struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(dai->codec);
if (mute) if (mute)
snd_soc_update_bits(codec, SSM2602_APDIGI, regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
APDIGI_ENABLE_DAC_MUTE, APDIGI_ENABLE_DAC_MUTE,
APDIGI_ENABLE_DAC_MUTE); APDIGI_ENABLE_DAC_MUTE);
else else
snd_soc_update_bits(codec, SSM2602_APDIGI, regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
APDIGI_ENABLE_DAC_MUTE, 0); APDIGI_ENABLE_DAC_MUTE, 0);
return 0; return 0;
} }
@ -418,7 +423,7 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
else else
ssm2602->clk_out_pwr &= ~mask; ssm2602->clk_out_pwr &= ~mask;
snd_soc_update_bits(codec, SSM2602_PWR, regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr);
} }
@ -428,8 +433,8 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt) unsigned int fmt)
{ {
struct snd_soc_codec *codec = codec_dai->codec; struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec);
u16 iface = 0; unsigned int iface = 0;
/* set master/slave audio interface */ /* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@ -480,7 +485,7 @@ static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
} }
/* set iface */ /* set iface */
snd_soc_write(codec, SSM2602_IFACE, iface); regmap_write(ssm2602->regmap, SSM2602_IFACE, iface);
return 0; return 0;
} }
@ -492,7 +497,7 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
switch (level) { switch (level) {
case SND_SOC_BIAS_ON: case SND_SOC_BIAS_ON:
/* vref/mid on, osc and clkout on if enabled */ /* vref/mid on, osc and clkout on if enabled */
snd_soc_update_bits(codec, SSM2602_PWR, regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
ssm2602->clk_out_pwr); ssm2602->clk_out_pwr);
break; break;
@ -500,13 +505,13 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
break; break;
case SND_SOC_BIAS_STANDBY: case SND_SOC_BIAS_STANDBY:
/* everything off except vref/vmid, */ /* everything off except vref/vmid, */
snd_soc_update_bits(codec, SSM2602_PWR, regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN,
PWR_CLK_OUT_PDN | PWR_OSC_PDN); PWR_CLK_OUT_PDN | PWR_OSC_PDN);
break; break;
case SND_SOC_BIAS_OFF: case SND_SOC_BIAS_OFF:
/* everything off */ /* everything off */
snd_soc_update_bits(codec, SSM2602_PWR, regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_POWER_OFF, PWR_POWER_OFF); PWR_POWER_OFF, PWR_POWER_OFF);
break; break;
@ -565,12 +570,13 @@ static int ssm2602_resume(struct snd_soc_codec *codec)
static int ssm2602_probe(struct snd_soc_codec *codec) static int ssm2602_probe(struct snd_soc_codec *codec)
{ {
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = &codec->dapm; struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret; int ret;
snd_soc_update_bits(codec, SSM2602_LOUT1V, regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V,
LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH);
snd_soc_update_bits(codec, SSM2602_ROUT1V, regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V,
ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH);
ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls, ret = snd_soc_add_codec_controls(codec, ssm2602_snd_controls,
@ -606,25 +612,26 @@ static int ssm260x_probe(struct snd_soc_codec *codec)
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
int ret; int ret;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, ssm2602->control_type); codec->control_data = ssm2602->regmap;
ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
if (ret < 0) { if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret; return ret;
} }
ret = ssm2602_reset(codec); ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0);
if (ret < 0) { if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset: %d\n", ret); dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
return ret; return ret;
} }
/* set the update bits */ /* set the update bits */
snd_soc_update_bits(codec, SSM2602_LINVOL, regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL,
LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH);
snd_soc_update_bits(codec, SSM2602_RINVOL, regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL,
RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH);
/*select Line in as default input*/ /*select Line in as default input*/
snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC | regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC |
APANA_ENABLE_MIC_BOOST); APANA_ENABLE_MIC_BOOST);
switch (ssm2602->type) { switch (ssm2602->type) {
@ -657,9 +664,6 @@ static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
.suspend = ssm2602_suspend, .suspend = ssm2602_suspend,
.resume = ssm2602_resume, .resume = ssm2602_resume,
.set_bias_level = ssm2602_set_bias_level, .set_bias_level = ssm2602_set_bias_level,
.reg_cache_size = ARRAY_SIZE(ssm2602_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = ssm2602_reg,
.controls = ssm260x_snd_controls, .controls = ssm260x_snd_controls,
.num_controls = ARRAY_SIZE(ssm260x_snd_controls), .num_controls = ARRAY_SIZE(ssm260x_snd_controls),
@ -669,6 +673,23 @@ static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
.num_dapm_routes = ARRAY_SIZE(ssm260x_routes), .num_dapm_routes = ARRAY_SIZE(ssm260x_routes),
}; };
static bool ssm2602_register_volatile(struct device *dev, unsigned int reg)
{
return reg == SSM2602_RESET;
}
static const struct regmap_config ssm2602_regmap_config = {
.val_bits = 9,
.reg_bits = 7,
.max_register = SSM2602_RESET,
.volatile_reg = ssm2602_register_volatile,
.cache_type = REGCACHE_RBTREE,
.reg_defaults_raw = ssm2602_reg,
.num_reg_defaults_raw = ARRAY_SIZE(ssm2602_reg),
};
#if defined(CONFIG_SPI_MASTER) #if defined(CONFIG_SPI_MASTER)
static int __devinit ssm2602_spi_probe(struct spi_device *spi) static int __devinit ssm2602_spi_probe(struct spi_device *spi)
{ {
@ -681,9 +702,12 @@ static int __devinit ssm2602_spi_probe(struct spi_device *spi)
return -ENOMEM; return -ENOMEM;
spi_set_drvdata(spi, ssm2602); spi_set_drvdata(spi, ssm2602);
ssm2602->control_type = SND_SOC_SPI;
ssm2602->type = SSM2602; ssm2602->type = SSM2602;
ssm2602->regmap = devm_regmap_init_spi(spi, &ssm2602_regmap_config);
if (IS_ERR(ssm2602->regmap))
return PTR_ERR(ssm2602->regmap);
ret = snd_soc_register_codec(&spi->dev, ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_ssm2602, &ssm2602_dai, 1); &soc_codec_dev_ssm2602, &ssm2602_dai, 1);
return ret; return ret;
@ -724,9 +748,12 @@ static int __devinit ssm2602_i2c_probe(struct i2c_client *i2c,
return -ENOMEM; return -ENOMEM;
i2c_set_clientdata(i2c, ssm2602); i2c_set_clientdata(i2c, ssm2602);
ssm2602->control_type = SND_SOC_I2C;
ssm2602->type = id->driver_data; ssm2602->type = id->driver_data;
ssm2602->regmap = devm_regmap_init_i2c(i2c, &ssm2602_regmap_config);
if (IS_ERR(ssm2602->regmap))
return PTR_ERR(ssm2602->regmap);
ret = snd_soc_register_codec(&i2c->dev, ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_ssm2602, &ssm2602_dai, 1); &soc_codec_dev_ssm2602, &ssm2602_dai, 1);
return ret; return ret;