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Diffstat (limited to 'sound/soc/codecs/wm8904.c')
-rw-r--r--sound/soc/codecs/wm8904.c35
1 files changed, 32 insertions, 3 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index 75b87c5c0f04..d3b3f57668cc 100644
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -673,7 +673,7 @@ static int cp_event(struct snd_soc_dapm_widget *w,
static int sysclk_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
switch (event) {
@@ -711,7 +711,7 @@ static int sysclk_event(struct snd_soc_dapm_widget *w,
static int out_pga_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec);
int reg, val;
int dcs_mask;
@@ -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,