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Diffstat (limited to 'sound/soc/codecs/wm8776.c')
-rw-r--r--sound/soc/codecs/wm8776.c109
1 files changed, 55 insertions, 54 deletions
diff --git a/sound/soc/codecs/wm8776.c b/sound/soc/codecs/wm8776.c
index 8e7953b1b790..a19db5a0a17a 100644
--- a/sound/soc/codecs/wm8776.c
+++ b/sound/soc/codecs/wm8776.c
@@ -18,7 +18,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
-#include <linux/platform_device.h>
+#include <linux/of_device.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <sound/core.h>
@@ -30,6 +30,11 @@
#include "wm8776.h"
+enum wm8776_chip_type {
+ WM8775 = 1,
+ WM8776,
+};
+
/* codec private data */
struct wm8776_priv {
enum snd_soc_control_type control_type;
@@ -215,8 +220,6 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream,
int ratio_shift, master;
int i;
- iface = 0;
-
switch (dai->driver->id) {
case WM8776_DAI_DAC:
iface_reg = WM8776_DACIFCTRL;
@@ -232,20 +235,24 @@ static int wm8776_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
-
/* Set word length */
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S16_LE:
+ switch (snd_pcm_format_width(params_format(params))) {
+ case 16:
+ iface = 0;
break;
- case SNDRV_PCM_FORMAT_S20_3LE:
- iface |= 0x10;
+ case 20:
+ iface = 0x10;
break;
- case SNDRV_PCM_FORMAT_S24_LE:
- iface |= 0x20;
+ case 24:
+ iface = 0x20;
break;
- case SNDRV_PCM_FORMAT_S32_LE:
- iface |= 0x30;
+ case 32:
+ iface = 0x30;
break;
+ default:
+ dev_err(codec->dev, "Unsupported sample size: %i\n",
+ snd_pcm_format_width(params_format(params)));
+ return -EINVAL;
}
/* Only need to set MCLK/LRCLK ratio if we're master */
@@ -306,6 +313,8 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ snd_soc_cache_sync(codec);
+
/* Disable the global powerdown; DAPM does the rest */
snd_soc_update_bits(codec, WM8776_PWRDOWN, 1, 0);
}
@@ -320,22 +329,17 @@ static int wm8776_set_bias_level(struct snd_soc_codec *codec,
return 0;
}
-#define WM8776_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
- SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
- SNDRV_PCM_RATE_96000)
-
-
#define WM8776_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-static struct snd_soc_dai_ops wm8776_dac_ops = {
+static const struct snd_soc_dai_ops wm8776_dac_ops = {
.digital_mute = wm8776_mute,
.hw_params = wm8776_hw_params,
.set_fmt = wm8776_set_fmt,
.set_sysclk = wm8776_set_sysclk,
};
-static struct snd_soc_dai_ops wm8776_adc_ops = {
+static const struct snd_soc_dai_ops wm8776_adc_ops = {
.hw_params = wm8776_hw_params,
.set_fmt = wm8776_set_fmt,
.set_sysclk = wm8776_set_sysclk,
@@ -349,7 +353,9 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
.stream_name = "Playback",
.channels_min = 2,
.channels_max = 2,
- .rates = WM8776_RATES,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 32000,
+ .rate_max = 192000,
.formats = WM8776_FORMATS,
},
.ops = &wm8776_dac_ops,
@@ -361,7 +367,9 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
.stream_name = "Capture",
.channels_min = 2,
.channels_max = 2,
- .rates = WM8776_RATES,
+ .rates = SNDRV_PCM_RATE_CONTINUOUS,
+ .rate_min = 32000,
+ .rate_max = 96000,
.formats = WM8776_FORMATS,
},
.ops = &wm8776_adc_ops,
@@ -369,7 +377,7 @@ static struct snd_soc_dai_driver wm8776_dai[] = {
};
#ifdef CONFIG_PM
-static int wm8776_suspend(struct snd_soc_codec *codec, pm_message_t state)
+static int wm8776_suspend(struct snd_soc_codec *codec)
{
wm8776_set_bias_level(codec, SND_SOC_BIAS_OFF);
@@ -378,21 +386,7 @@ static int wm8776_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8776_resume(struct snd_soc_codec *codec)
{
- int i;
- u8 data[2];
- u16 *cache = codec->reg_cache;
-
- /* Sync reg_cache with the hardware */
- for (i = 0; i < ARRAY_SIZE(wm8776_reg); i++) {
- if (cache[i] == wm8776_reg[i])
- continue;
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
-
wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
return 0;
}
#else
@@ -403,7 +397,6 @@ static int wm8776_resume(struct snd_soc_codec *codec)
static int wm8776_probe(struct snd_soc_codec *codec)
{
struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec);
- struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret = 0;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8776->control_type);
@@ -425,12 +418,6 @@ static int wm8776_probe(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, WM8776_HPRVOL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8776_DACRVOL, 0x100, 0x100);
- snd_soc_add_controls(codec, wm8776_snd_controls,
- ARRAY_SIZE(wm8776_snd_controls));
- snd_soc_dapm_new_controls(dapm, wm8776_dapm_widgets,
- ARRAY_SIZE(wm8776_dapm_widgets));
- snd_soc_dapm_add_routes(dapm, routes, ARRAY_SIZE(routes));
-
return ret;
}
@@ -450,15 +437,29 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8776 = {
.reg_cache_size = ARRAY_SIZE(wm8776_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = wm8776_reg,
+
+ .controls = wm8776_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8776_snd_controls),
+ .dapm_widgets = wm8776_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8776_dapm_widgets),
+ .dapm_routes = routes,
+ .num_dapm_routes = ARRAY_SIZE(routes),
};
+static const struct of_device_id wm8776_of_match[] = {
+ { .compatible = "wlf,wm8776", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, wm8776_of_match);
+
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8776_spi_probe(struct spi_device *spi)
{
struct wm8776_priv *wm8776;
int ret;
- wm8776 = kzalloc(sizeof(struct wm8776_priv), GFP_KERNEL);
+ wm8776 = devm_kzalloc(&spi->dev, sizeof(struct wm8776_priv),
+ GFP_KERNEL);
if (wm8776 == NULL)
return -ENOMEM;
@@ -467,22 +468,21 @@ static int __devinit wm8776_spi_probe(struct spi_device *spi)
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai));
- if (ret < 0)
- kfree(wm8776);
+
return ret;
}
static int __devexit wm8776_spi_remove(struct spi_device *spi)
{
snd_soc_unregister_codec(&spi->dev);
- kfree(spi_get_drvdata(spi));
return 0;
}
static struct spi_driver wm8776_spi_driver = {
.driver = {
- .name = "wm8776-codec",
+ .name = "wm8776",
.owner = THIS_MODULE,
+ .of_match_table = wm8776_of_match,
},
.probe = wm8776_spi_probe,
.remove = __devexit_p(wm8776_spi_remove),
@@ -496,7 +496,8 @@ static __devinit int wm8776_i2c_probe(struct i2c_client *i2c,
struct wm8776_priv *wm8776;
int ret;
- wm8776 = kzalloc(sizeof(struct wm8776_priv), GFP_KERNEL);
+ wm8776 = devm_kzalloc(&i2c->dev, sizeof(struct wm8776_priv),
+ GFP_KERNEL);
if (wm8776 == NULL)
return -ENOMEM;
@@ -505,28 +506,28 @@ static __devinit int wm8776_i2c_probe(struct i2c_client *i2c,
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai));
- if (ret < 0)
- kfree(wm8776);
+
return ret;
}
static __devexit int wm8776_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
return 0;
}
static const struct i2c_device_id wm8776_i2c_id[] = {
- { "wm8776", 0 },
+ { "wm8775", WM8775 },
+ { "wm8776", WM8776 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm8776_i2c_id);
static struct i2c_driver wm8776_i2c_driver = {
.driver = {
- .name = "wm8776-codec",
+ .name = "wm8776",
.owner = THIS_MODULE,
+ .of_match_table = wm8776_of_match,
},
.probe = wm8776_i2c_probe,
.remove = __devexit_p(wm8776_i2c_remove),
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-31 21:35:41 +0300