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Diffstat (limited to 'sound/soc/codecs/ak4641.c')
-rw-r--r--sound/soc/codecs/ak4641.c113
1 files changed, 50 insertions, 63 deletions
diff --git a/sound/soc/codecs/ak4641.c b/sound/soc/codecs/ak4641.c
index c4d165a4bddf..543a12f471be 100644
--- a/sound/soc/codecs/ak4641.c
+++ b/sound/soc/codecs/ak4641.c
@@ -296,8 +296,7 @@ static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
int rate = params_rate(params), fs = 256;
u8 mode2;
@@ -517,67 +516,24 @@ static int ak4641_resume(struct snd_soc_codec *codec)
static int ak4641_probe(struct snd_soc_codec *codec)
{
- struct ak4641_platform_data *pdata = codec->dev->platform_data;
int ret;
-
- if (pdata) {
- if (gpio_is_valid(pdata->gpio_power)) {
- ret = gpio_request_one(pdata->gpio_power,
- GPIOF_OUT_INIT_LOW, "ak4641 power");
- if (ret)
- goto err_out;
- }
- if (gpio_is_valid(pdata->gpio_npdn)) {
- ret = gpio_request_one(pdata->gpio_npdn,
- GPIOF_OUT_INIT_LOW, "ak4641 npdn");
- if (ret)
- goto err_gpio;
-
- udelay(1); /* > 150 ns */
- gpio_set_value(pdata->gpio_npdn, 1);
- }
- }
-
ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err_register;
+ return ret;
}
/* power on device */
ak4641_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
-
-err_register:
- if (pdata) {
- if (gpio_is_valid(pdata->gpio_power))
- gpio_set_value(pdata->gpio_power, 0);
- if (gpio_is_valid(pdata->gpio_npdn))
- gpio_free(pdata->gpio_npdn);
- }
-err_gpio:
- if (pdata && gpio_is_valid(pdata->gpio_power))
- gpio_free(pdata->gpio_power);
-err_out:
- return ret;
}
static int ak4641_remove(struct snd_soc_codec *codec)
{
- struct ak4641_platform_data *pdata = codec->dev->platform_data;
-
ak4641_set_bias_level(codec, SND_SOC_BIAS_OFF);
- if (pdata) {
- if (gpio_is_valid(pdata->gpio_power)) {
- gpio_set_value(pdata->gpio_power, 0);
- gpio_free(pdata->gpio_power);
- }
- if (gpio_is_valid(pdata->gpio_npdn))
- gpio_free(pdata->gpio_npdn);
- }
return 0;
}
@@ -604,6 +560,7 @@ static struct snd_soc_codec_driver soc_codec_dev_ak4641 = {
static int __devinit ak4641_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
+ struct ak4641_platform_data *pdata = i2c->dev.platform_data;
struct ak4641_priv *ak4641;
int ret;
@@ -612,16 +569,62 @@ static int __devinit ak4641_i2c_probe(struct i2c_client *i2c,
if (!ak4641)
return -ENOMEM;
+ if (pdata) {
+ if (gpio_is_valid(pdata->gpio_power)) {
+ ret = gpio_request_one(pdata->gpio_power,
+ GPIOF_OUT_INIT_LOW, "ak4641 power");
+ if (ret)
+ goto err_out;
+ }
+ if (gpio_is_valid(pdata->gpio_npdn)) {
+ ret = gpio_request_one(pdata->gpio_npdn,
+ GPIOF_OUT_INIT_LOW, "ak4641 npdn");
+ if (ret)
+ goto err_gpio;
+
+ udelay(1); /* > 150 ns */
+ gpio_set_value(pdata->gpio_npdn, 1);
+ }
+ }
+
i2c_set_clientdata(i2c, ak4641);
ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_ak4641,
ak4641_dai, ARRAY_SIZE(ak4641_dai));
+ if (ret != 0)
+ goto err_gpio2;
+
+ return 0;
+
+err_gpio2:
+ if (pdata) {
+ if (gpio_is_valid(pdata->gpio_power))
+ gpio_set_value(pdata->gpio_power, 0);
+ if (gpio_is_valid(pdata->gpio_npdn))
+ gpio_free(pdata->gpio_npdn);
+ }
+err_gpio:
+ if (pdata && gpio_is_valid(pdata->gpio_power))
+ gpio_free(pdata->gpio_power);
+err_out:
return ret;
}
static int __devexit ak4641_i2c_remove(struct i2c_client *i2c)
{
+ struct ak4641_platform_data *pdata = i2c->dev.platform_data;
+
snd_soc_unregister_codec(&i2c->dev);
+
+ if (pdata) {
+ if (gpio_is_valid(pdata->gpio_power)) {
+ gpio_set_value(pdata->gpio_power, 0);
+ gpio_free(pdata->gpio_power);
+ }
+ if (gpio_is_valid(pdata->gpio_npdn))
+ gpio_free(pdata->gpio_npdn);
+ }
+
return 0;
}
@@ -641,23 +644,7 @@ static struct i2c_driver ak4641_i2c_driver = {
.id_table = ak4641_i2c_id,
};
-static int __init ak4641_modinit(void)
-{
- int ret;
-
- ret = i2c_add_driver(&ak4641_i2c_driver);
- if (ret != 0)
- pr_err("Failed to register AK4641 I2C driver: %d\n", ret);
-
- return ret;
-}
-module_init(ak4641_modinit);
-
-static void __exit ak4641_exit(void)
-{
- i2c_del_driver(&ak4641_i2c_driver);
-}
-module_exit(ak4641_exit);
+module_i2c_driver(ak4641_i2c_driver);
MODULE_DESCRIPTION("SoC AK4641 driver");
MODULE_AUTHOR("Harald Welte <laforge@gnufiish.org>");