aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/codecs/cs42l51.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/cs42l51.c')
-rw-r--r--sound/soc/codecs/cs42l51.c86
1 files changed, 40 insertions, 46 deletions
diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 7a272fa90b39..828157779057 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -30,6 +30,7 @@
#include <sound/pcm_params.h>
#include <sound/pcm.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include "cs42l51.h"
@@ -40,7 +41,6 @@ enum master_slave_mode {
};
struct cs42l51_private {
- enum snd_soc_control_type control_type;
unsigned int mclk;
unsigned int audio_mode; /* The mode (I2S or left-justified) */
enum master_slave_mode func;
@@ -52,24 +52,6 @@ struct cs42l51_private {
SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE | \
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE)
-static int cs42l51_fill_cache(struct snd_soc_codec *codec)
-{
- u8 *cache = codec->reg_cache + 1;
- struct i2c_client *i2c_client = to_i2c_client(codec->dev);
- s32 length;
-
- length = i2c_smbus_read_i2c_block_data(i2c_client,
- CS42L51_FIRSTREG | 0x80, CS42L51_NUMREGS, cache);
- if (length != CS42L51_NUMREGS) {
- dev_err(&i2c_client->dev,
- "I2C read failure, addr=0x%x (ret=%d vs %d)\n",
- i2c_client->addr, length, CS42L51_NUMREGS);
- return -EIO;
- }
-
- return 0;
-}
-
static int cs42l51_get_chan_mix(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@@ -134,8 +116,7 @@ static const char *chan_mix[] = {
"R L",
};
-static const struct soc_enum cs42l51_chan_mix =
- SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(chan_mix), chan_mix);
+static SOC_ENUM_SINGLE_EXT_DECL(cs42l51_chan_mix, chan_mix);
static const struct snd_kcontrol_new cs42l51_snd_controls[] = {
SOC_DOUBLE_R_SX_TLV("PCM Playback Volume",
@@ -191,22 +172,22 @@ static int cs42l51_pdn_event(struct snd_soc_dapm_widget *w,
static const char *cs42l51_dac_names[] = {"Direct PCM",
"DSP PCM", "ADC"};
-static const struct soc_enum cs42l51_dac_mux_enum =
- SOC_ENUM_SINGLE(CS42L51_DAC_CTL, 6, 3, cs42l51_dac_names);
+static SOC_ENUM_SINGLE_DECL(cs42l51_dac_mux_enum,
+ CS42L51_DAC_CTL, 6, cs42l51_dac_names);
static const struct snd_kcontrol_new cs42l51_dac_mux_controls =
SOC_DAPM_ENUM("Route", cs42l51_dac_mux_enum);
static const char *cs42l51_adcl_names[] = {"AIN1 Left", "AIN2 Left",
"MIC Left", "MIC+preamp Left"};
-static const struct soc_enum cs42l51_adcl_mux_enum =
- SOC_ENUM_SINGLE(CS42L51_ADC_INPUT, 4, 4, cs42l51_adcl_names);
+static SOC_ENUM_SINGLE_DECL(cs42l51_adcl_mux_enum,
+ CS42L51_ADC_INPUT, 4, cs42l51_adcl_names);
static const struct snd_kcontrol_new cs42l51_adcl_mux_controls =
SOC_DAPM_ENUM("Route", cs42l51_adcl_mux_enum);
static const char *cs42l51_adcr_names[] = {"AIN1 Right", "AIN2 Right",
"MIC Right", "MIC+preamp Right"};
-static const struct soc_enum cs42l51_adcr_mux_enum =
- SOC_ENUM_SINGLE(CS42L51_ADC_INPUT, 6, 4, cs42l51_adcr_names);
+static SOC_ENUM_SINGLE_DECL(cs42l51_adcr_mux_enum,
+ CS42L51_ADC_INPUT, 6, cs42l51_adcr_names);
static const struct snd_kcontrol_new cs42l51_adcr_mux_controls =
SOC_DAPM_ENUM("Route", cs42l51_adcr_mux_enum);
@@ -504,16 +485,9 @@ static struct snd_soc_dai_driver cs42l51_dai = {
static int cs42l51_probe(struct snd_soc_codec *codec)
{
- struct cs42l51_private *cs42l51 = snd_soc_codec_get_drvdata(codec);
int ret, reg;
- ret = cs42l51_fill_cache(codec);
- if (ret < 0) {
- dev_err(codec->dev, "failed to fill register cache\n");
- return ret;
- }
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, cs42l51->control_type);
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
@@ -537,8 +511,6 @@ static int cs42l51_probe(struct snd_soc_codec *codec)
static struct snd_soc_codec_driver soc_codec_device_cs42l51 = {
.probe = cs42l51_probe,
- .reg_cache_size = CS42L51_NUMREGS + 1,
- .reg_word_size = sizeof(u8),
.controls = cs42l51_snd_controls,
.num_controls = ARRAY_SIZE(cs42l51_snd_controls),
@@ -548,38 +520,53 @@ static struct snd_soc_codec_driver soc_codec_device_cs42l51 = {
.num_dapm_routes = ARRAY_SIZE(cs42l51_routes),
};
+static const struct regmap_config cs42l51_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = CS42L51_CHARGE_FREQ,
+ .cache_type = REGCACHE_RBTREE,
+};
+
static int cs42l51_i2c_probe(struct i2c_client *i2c_client,
const struct i2c_device_id *id)
{
struct cs42l51_private *cs42l51;
+ struct regmap *regmap;
+ unsigned int val;
int ret;
+ regmap = devm_regmap_init_i2c(i2c_client, &cs42l51_regmap);
+ if (IS_ERR(regmap)) {
+ ret = PTR_ERR(regmap);
+ dev_err(&i2c_client->dev, "Failed to create regmap: %d\n",
+ ret);
+ return ret;
+ }
+
/* Verify that we have a CS42L51 */
- ret = i2c_smbus_read_byte_data(i2c_client, CS42L51_CHIP_REV_ID);
+ ret = regmap_read(regmap, CS42L51_CHIP_REV_ID, &val);
if (ret < 0) {
dev_err(&i2c_client->dev, "failed to read I2C\n");
goto error;
}
- if ((ret != CS42L51_MK_CHIP_REV(CS42L51_CHIP_ID, CS42L51_CHIP_REV_A)) &&
- (ret != CS42L51_MK_CHIP_REV(CS42L51_CHIP_ID, CS42L51_CHIP_REV_B))) {
- dev_err(&i2c_client->dev, "Invalid chip id\n");
+ if ((val != CS42L51_MK_CHIP_REV(CS42L51_CHIP_ID, CS42L51_CHIP_REV_A)) &&
+ (val != CS42L51_MK_CHIP_REV(CS42L51_CHIP_ID, CS42L51_CHIP_REV_B))) {
+ dev_err(&i2c_client->dev, "Invalid chip id: %x\n", val);
ret = -ENODEV;
goto error;
}
dev_info(&i2c_client->dev, "found device cs42l51 rev %d\n",
- ret & 7);
+ val & 7);
cs42l51 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l51_private),
GFP_KERNEL);
- if (!cs42l51) {
- dev_err(&i2c_client->dev, "could not allocate codec\n");
+ if (!cs42l51)
return -ENOMEM;
- }
i2c_set_clientdata(i2c_client, cs42l51);
- cs42l51->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c_client->dev,
&soc_codec_device_cs42l51, &cs42l51_dai, 1);
@@ -599,10 +586,17 @@ static const struct i2c_device_id cs42l51_id[] = {
};
MODULE_DEVICE_TABLE(i2c, cs42l51_id);
+static const struct of_device_id cs42l51_of_match[] = {
+ { .compatible = "cirrus,cs42l51", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, cs42l51_of_match);
+
static struct i2c_driver cs42l51_i2c_driver = {
.driver = {
.name = "cs42l51-codec",
.owner = THIS_MODULE,
+ .of_match_table = cs42l51_of_match,
},
.id_table = cs42l51_id,
.probe = cs42l51_i2c_probe,
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 21:21:28 +0000