redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

ASoC: SSM2602: Convert to direct regmap API usage

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

87
sound/soc/codecs/ssm2602.c
View file

@ -33,6 +33,7 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
@ -52,10 +53,11 @@ enum ssm2602_type {
struct ssm2602_priv {
unsigned int sysclk;
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 *slave_substream;
struct regmap *regmap;
enum ssm2602_type type;
unsigned int clk_out_pwr;
};
@ -72,7 +74,6 @@ static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
0x0000, 0x0000
};
#define ssm2602_reset(c) snd_soc_write(c, SSM2602_RESET, 0)
/*Appending several "None"s just for OSS mixer use*/
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 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));
unsigned int iface;
if (substream == ssm2602->slave_substream) {
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)
return srate;
snd_soc_write(codec, SSM2602_SRATE, srate);
regmap_write(ssm2602->regmap, SSM2602_SRATE, srate);
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
iface = 0x0;
break;
case SNDRV_PCM_FORMAT_S20_3LE:
iface |= 0x0004;
iface = 0x4;
break;
case SNDRV_PCM_FORMAT_S24_LE:
iface |= 0x0008;
iface = 0x8;
break;
case SNDRV_PCM_FORMAT_S32_LE:
iface |= 0x000c;
iface = 0xc;
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;
}
@ -361,14 +366,14 @@ static void ssm2602_shutdown(struct snd_pcm_substream *substream,
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)
snd_soc_update_bits(codec, SSM2602_APDIGI,
regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
APDIGI_ENABLE_DAC_MUTE,
APDIGI_ENABLE_DAC_MUTE);
else
snd_soc_update_bits(codec, SSM2602_APDIGI,
regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI,
APDIGI_ENABLE_DAC_MUTE, 0);
return 0;
}
@ -418,7 +423,7 @@ static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai,
else
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);
}
@ -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,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 iface = 0;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec_dai->codec);
unsigned int iface = 0;
/* set master/slave audio interface */
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 */
snd_soc_write(codec, SSM2602_IFACE, iface);
regmap_write(ssm2602->regmap, SSM2602_IFACE, iface);
return 0;
}
@ -492,7 +497,7 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
switch (level) {
case SND_SOC_BIAS_ON:
/* 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,
ssm2602->clk_out_pwr);
break;
@ -500,13 +505,13 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
/* 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_CLK_OUT_PDN | PWR_OSC_PDN);
break;
case SND_SOC_BIAS_OFF:
/* everything off */
snd_soc_update_bits(codec, SSM2602_PWR,
regmap_update_bits(ssm2602->regmap, SSM2602_PWR,
PWR_POWER_OFF, PWR_POWER_OFF);
break;
@ -565,12 +570,13 @@ static int ssm2602_resume(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;
int ret;
snd_soc_update_bits(codec, SSM2602_LOUT1V,
regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V,
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);
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);
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) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
}
ret = ssm2602_reset(codec);
ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
return ret;
}
/* set the update bits */
snd_soc_update_bits(codec, SSM2602_LINVOL,
regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL,
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);
/*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);
switch (ssm2602->type) {
@ -657,9 +664,6 @@ static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
.suspend = ssm2602_suspend,
.resume = ssm2602_resume,
.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,
.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),
};
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)
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;
spi_set_drvdata(spi, ssm2602);
ssm2602->control_type = SND_SOC_SPI;
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,
&soc_codec_dev_ssm2602, &ssm2602_dai, 1);
return ret;
@ -724,9 +748,12 @@ static int __devinit ssm2602_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;
i2c_set_clientdata(i2c, ssm2602);
ssm2602->control_type = SND_SOC_I2C;
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,
&soc_codec_dev_ssm2602, &ssm2602_dai, 1);
return ret;