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-rw-r--r--sound/soc/codecs/wm8804.c4
-rw-r--r--sound/soc/codecs/wm8904.c31
-rw-r--r--sound/soc/codecs/wm8960.c51
-rw-r--r--sound/soc/codecs/wm8988.c4
-rw-r--r--sound/soc/codecs/wm8995.c6
5 files changed, 85 insertions, 11 deletions
diff --git a/sound/soc/codecs/wm8804.c b/sound/soc/codecs/wm8804.c
index 1315f7642503..b2b0e68f707e 100644
--- a/sound/soc/codecs/wm8804.c
+++ b/sound/soc/codecs/wm8804.c
@@ -648,7 +648,7 @@ static struct snd_soc_dai_driver wm8804_dai = {
.symmetric_rates = 1
};
-static struct snd_soc_codec_driver soc_codec_dev_wm8804 = {
+static const struct snd_soc_codec_driver soc_codec_dev_wm8804 = {
.probe = wm8804_probe,
.remove = wm8804_remove,
.set_bias_level = wm8804_set_bias_level,
@@ -664,7 +664,7 @@ static const struct of_device_id wm8804_of_match[] = {
};
MODULE_DEVICE_TABLE(of, wm8804_of_match);
-static struct regmap_config wm8804_regmap_config = {
+static const struct regmap_config wm8804_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index c5eaa0198ef0..d3b3f57668cc 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -2105,6 +2105,24 @@ static const struct regmap_config wm8904_regmap = {
.num_reg_defaults = ARRAY_SIZE(wm8904_reg_defaults),
};
+#ifdef CONFIG_OF
+static enum wm8904_type wm8904_data = WM8904;
+static enum wm8904_type wm8912_data = WM8912;
+
+static const struct of_device_id wm8904_of_match[] = {
+ {
+ .compatible = "wlf,wm8904",
+ .data = &wm8904_data,
+ }, {
+ .compatible = "wlf,wm8912",
+ .data = &wm8912_data,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, wm8904_of_match);
+#endif
+
static int wm8904_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -2132,7 +2150,17 @@ static int wm8904_i2c_probe(struct i2c_client *i2c,
return ret;
}
- wm8904->devtype = id->driver_data;
+ if (i2c->dev.of_node) {
+ const struct of_device_id *match;
+
+ match = of_match_node(wm8904_of_match, i2c->dev.of_node);
+ if (match == NULL)
+ return -EINVAL;
+ wm8904->devtype = *((enum wm8904_type *)match->data);
+ } else {
+ wm8904->devtype = id->driver_data;
+ }
+
i2c_set_clientdata(i2c, wm8904);
wm8904->pdata = i2c->dev.platform_data;
@@ -2266,6 +2294,7 @@ static struct i2c_driver wm8904_i2c_driver = {
.driver = {
.name = "wm8904",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(wm8904_of_match),
},
.probe = wm8904_i2c_probe,
.remove = wm8904_i2c_remove,
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index a96eb497a379..cf8fecf97f2c 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
+#include <linux/clk.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <sound/core.h>
@@ -117,6 +118,7 @@ static bool wm8960_volatile(struct device *dev, unsigned int reg)
}
struct wm8960_priv {
+ struct clk *mclk;
struct regmap *regmap;
int (*set_bias_level)(struct snd_soc_codec *,
enum snd_soc_bias_level level);
@@ -618,14 +620,38 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+ int ret;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
- /* Set VMID to 2x50k */
- snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80);
+ switch (codec->dapm.bias_level) {
+ case SND_SOC_BIAS_STANDBY:
+ if (!IS_ERR(wm8960->mclk)) {
+ ret = clk_prepare_enable(wm8960->mclk);
+ if (ret) {
+ dev_err(codec->dev,
+ "Failed to enable MCLK: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ /* Set VMID to 2x50k */
+ snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80);
+ break;
+
+ case SND_SOC_BIAS_ON:
+ if (!IS_ERR(wm8960->mclk))
+ clk_disable_unprepare(wm8960->mclk);
+ break;
+
+ default:
+ break;
+ }
+
break;
case SND_SOC_BIAS_STANDBY:
@@ -674,7 +700,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
- int reg;
+ int reg, ret;
switch (level) {
case SND_SOC_BIAS_ON:
@@ -715,9 +741,22 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
WM8960_VREF, WM8960_VREF);
msleep(100);
+
+ if (!IS_ERR(wm8960->mclk)) {
+ ret = clk_prepare_enable(wm8960->mclk);
+ if (ret) {
+ dev_err(codec->dev,
+ "Failed to enable MCLK: %d\n",
+ ret);
+ return ret;
+ }
+ }
break;
case SND_SOC_BIAS_ON:
+ if (!IS_ERR(wm8960->mclk))
+ clk_disable_unprepare(wm8960->mclk);
+
/* Enable anti-pop mode */
snd_soc_update_bits(codec, WM8960_APOP1,
WM8960_POBCTRL | WM8960_SOFT_ST |
@@ -1002,6 +1041,12 @@ static int wm8960_i2c_probe(struct i2c_client *i2c,
if (wm8960 == NULL)
return -ENOMEM;
+ wm8960->mclk = devm_clk_get(&i2c->dev, "mclk");
+ if (IS_ERR(wm8960->mclk)) {
+ if (PTR_ERR(wm8960->mclk) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ }
+
wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
if (IS_ERR(wm8960->regmap))
return PTR_ERR(wm8960->regmap);
diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c
index baff2cc222a6..24968aa8618a 100644
--- a/sound/soc/codecs/wm8988.c
+++ b/sound/soc/codecs/wm8988.c
@@ -813,7 +813,7 @@ static int wm8988_probe(struct snd_soc_codec *codec)
return 0;
}
-static struct snd_soc_codec_driver soc_codec_dev_wm8988 = {
+static const struct snd_soc_codec_driver soc_codec_dev_wm8988 = {
.probe = wm8988_probe,
.set_bias_level = wm8988_set_bias_level,
.suspend_bias_off = true,
@@ -826,7 +826,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8988 = {
.num_dapm_routes = ARRAY_SIZE(wm8988_dapm_routes),
};
-static struct regmap_config wm8988_regmap = {
+static const struct regmap_config wm8988_regmap = {
.reg_bits = 7,
.val_bits = 9,
diff --git a/sound/soc/codecs/wm8995.c b/sound/soc/codecs/wm8995.c
index 79e1aead5131..66103c2b012e 100644
--- a/sound/soc/codecs/wm8995.c
+++ b/sound/soc/codecs/wm8995.c
@@ -44,7 +44,7 @@ static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = {
"MICVDD"
};
-static struct reg_default wm8995_reg_defaults[] = {
+static const struct reg_default wm8995_reg_defaults[] = {
{ 0, 0x8995 },
{ 5, 0x0100 },
{ 16, 0x000b },
@@ -2186,7 +2186,7 @@ static struct snd_soc_dai_driver wm8995_dai[] = {
}
};
-static struct snd_soc_codec_driver soc_codec_dev_wm8995 = {
+static const struct snd_soc_codec_driver soc_codec_dev_wm8995 = {
.probe = wm8995_probe,
.remove = wm8995_remove,
.set_bias_level = wm8995_set_bias_level,
@@ -2200,7 +2200,7 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8995 = {
.num_dapm_routes = ARRAY_SIZE(wm8995_intercon),
};
-static struct regmap_config wm8995_regmap = {
+static const struct regmap_config wm8995_regmap = {
.reg_bits = 16,
.val_bits = 16,