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Diffstat (limited to 'sound/soc/codecs/wm8750.c')
-rw-r--r--sound/soc/codecs/wm8750.c98
1 files changed, 38 insertions, 60 deletions
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c
index d0003cc3bcd6..e4c50ce7d9c0 100644
--- a/sound/soc/codecs/wm8750.c
+++ b/sound/soc/codecs/wm8750.c
@@ -18,9 +18,9 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
-#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
+#include <linux/of_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -301,7 +301,7 @@ static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("RINPUT3"),
};
-static const struct snd_soc_dapm_route audio_map[] = {
+static const struct snd_soc_dapm_route wm8750_dapm_routes[] = {
/* left mixer */
{"Left Mixer", "Playback Switch", "Left DAC"},
{"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
@@ -395,17 +395,6 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"Right ADC", NULL, "Right ADC Mux"},
};
-static int wm8750_add_widgets(struct snd_soc_codec *codec)
-{
- struct snd_soc_dapm_context *dapm = &codec->dapm;
-
- snd_soc_dapm_new_controls(dapm, wm8750_dapm_widgets,
- ARRAY_SIZE(wm8750_dapm_widgets));
- snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
-
- return 0;
-}
-
struct _coeff_div {
u32 mclk;
u32 rate;
@@ -615,6 +604,8 @@ static int wm8750_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);
+
/* Set VMID to 5k */
snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
@@ -640,7 +631,7 @@ static int wm8750_set_bias_level(struct snd_soc_codec *codec,
#define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)
-static struct snd_soc_dai_ops wm8750_dai_ops = {
+static const struct snd_soc_dai_ops wm8750_dai_ops = {
.hw_params = wm8750_pcm_hw_params,
.digital_mute = wm8750_mute,
.set_fmt = wm8750_set_dai_fmt,
@@ -664,7 +655,7 @@ static struct snd_soc_dai_driver wm8750_dai = {
.ops = &wm8750_dai_ops,
};
-static int wm8750_suspend(struct snd_soc_codec *codec, pm_message_t state)
+static int wm8750_suspend(struct snd_soc_codec *codec)
{
wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
@@ -672,28 +663,14 @@ static int wm8750_suspend(struct snd_soc_codec *codec, pm_message_t state)
static int wm8750_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(wm8750_reg); i++) {
- if (i == WM8750_RESET)
- continue;
- data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
- data[1] = cache[i] & 0x00ff;
- codec->hw_write(codec->control_data, data, 2);
- }
-
wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
return 0;
}
static int wm8750_probe(struct snd_soc_codec *codec)
{
struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
- int reg, ret;
+ int ret;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type);
if (ret < 0) {
@@ -711,26 +688,15 @@ static int wm8750_probe(struct snd_soc_codec *codec)
wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* set the update bits */
- reg = snd_soc_read(codec, WM8750_LDAC);
- snd_soc_write(codec, WM8750_LDAC, reg | 0x0100);
- reg = snd_soc_read(codec, WM8750_RDAC);
- snd_soc_write(codec, WM8750_RDAC, reg | 0x0100);
- reg = snd_soc_read(codec, WM8750_LOUT1V);
- snd_soc_write(codec, WM8750_LOUT1V, reg | 0x0100);
- reg = snd_soc_read(codec, WM8750_ROUT1V);
- snd_soc_write(codec, WM8750_ROUT1V, reg | 0x0100);
- reg = snd_soc_read(codec, WM8750_LOUT2V);
- snd_soc_write(codec, WM8750_LOUT2V, reg | 0x0100);
- reg = snd_soc_read(codec, WM8750_ROUT2V);
- snd_soc_write(codec, WM8750_ROUT2V, reg | 0x0100);
- reg = snd_soc_read(codec, WM8750_LINVOL);
- snd_soc_write(codec, WM8750_LINVOL, reg | 0x0100);
- reg = snd_soc_read(codec, WM8750_RINVOL);
- snd_soc_write(codec, WM8750_RINVOL, reg | 0x0100);
-
- snd_soc_add_controls(codec, wm8750_snd_controls,
- ARRAY_SIZE(wm8750_snd_controls));
- wm8750_add_widgets(codec);
+ snd_soc_update_bits(codec, WM8750_LDAC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_RDAC, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_LOUT1V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_ROUT1V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_LOUT2V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_ROUT2V, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_LINVOL, 0x0100, 0x0100);
+ snd_soc_update_bits(codec, WM8750_RINVOL, 0x0100, 0x0100);
+
return ret;
}
@@ -749,7 +715,21 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8750 = {
.reg_cache_size = ARRAY_SIZE(wm8750_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = wm8750_reg,
+
+ .controls = wm8750_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8750_snd_controls),
+ .dapm_widgets = wm8750_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
+ .dapm_routes = wm8750_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8750_dapm_routes),
+};
+
+static const struct of_device_id wm8750_of_match[] = {
+ { .compatible = "wlf,wm8750", },
+ { .compatible = "wlf,wm8987", },
+ { }
};
+MODULE_DEVICE_TABLE(of, wm8750_of_match);
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8750_spi_probe(struct spi_device *spi)
@@ -757,7 +737,8 @@ static int __devinit wm8750_spi_probe(struct spi_device *spi)
struct wm8750_priv *wm8750;
int ret;
- wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
+ wm8750 = devm_kzalloc(&spi->dev, sizeof(struct wm8750_priv),
+ GFP_KERNEL);
if (wm8750 == NULL)
return -ENOMEM;
@@ -766,15 +747,12 @@ static int __devinit wm8750_spi_probe(struct spi_device *spi)
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8750, &wm8750_dai, 1);
- if (ret < 0)
- kfree(wm8750);
return ret;
}
static int __devexit wm8750_spi_remove(struct spi_device *spi)
{
snd_soc_unregister_codec(&spi->dev);
- kfree(spi_get_drvdata(spi));
return 0;
}
@@ -787,8 +765,9 @@ MODULE_DEVICE_TABLE(spi, wm8750_spi_ids);
static struct spi_driver wm8750_spi_driver = {
.driver = {
- .name = "wm8750-codec",
+ .name = "wm8750",
.owner = THIS_MODULE,
+ .of_match_table = wm8750_of_match,
},
.id_table = wm8750_spi_ids,
.probe = wm8750_spi_probe,
@@ -803,7 +782,8 @@ static __devinit int wm8750_i2c_probe(struct i2c_client *i2c,
struct wm8750_priv *wm8750;
int ret;
- wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
+ wm8750 = devm_kzalloc(&i2c->dev, sizeof(struct wm8750_priv),
+ GFP_KERNEL);
if (wm8750 == NULL)
return -ENOMEM;
@@ -812,15 +792,12 @@ static __devinit int wm8750_i2c_probe(struct i2c_client *i2c,
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8750, &wm8750_dai, 1);
- if (ret < 0)
- kfree(wm8750);
return ret;
}
static __devexit int wm8750_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
return 0;
}
@@ -833,8 +810,9 @@ MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
static struct i2c_driver wm8750_i2c_driver = {
.driver = {
- .name = "wm8750-codec",
+ .name = "wm8750",
.owner = THIS_MODULE,
+ .of_match_table = wm8750_of_match,
},
.probe = wm8750_i2c_probe,
.remove = __devexit_p(wm8750_i2c_remove),
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-18 17:45:46 +0000