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Diffstat (limited to 'sound/soc/codecs/wm9705.c')
-rw-r--r--sound/soc/codecs/wm9705.c68
1 files changed, 46 insertions, 22 deletions
diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c
index f6d5c0f2aea5..2c09f71fe433 100644
--- a/sound/soc/codecs/wm9705.c
+++ b/sound/soc/codecs/wm9705.c
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/mfd/wm97xx.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
@@ -18,12 +19,19 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
+#include <sound/ac97/codec.h>
+#include <sound/ac97/compat.h>
#include <sound/initval.h>
#include <sound/soc.h>
#define WM9705_VENDOR_ID 0x574d4c05
#define WM9705_VENDOR_ID_MASK 0xffffffff
+struct wm9705_priv {
+ struct snd_ac97 *ac97;
+ struct wm97xx_platform_data *mfd_pdata;
+};
+
static const struct reg_default wm9705_reg_defaults[] = {
{ 0x02, 0x8000 },
{ 0x04, 0x8000 },
@@ -292,10 +300,10 @@ static int wm9705_soc_suspend(struct snd_soc_codec *codec)
static int wm9705_soc_resume(struct snd_soc_codec *codec)
{
- struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
+ struct wm9705_priv *wm9705 = snd_soc_codec_get_drvdata(codec);
int ret;
- ret = snd_ac97_reset(ac97, true, WM9705_VENDOR_ID,
+ ret = snd_ac97_reset(wm9705->ac97, true, WM9705_VENDOR_ID,
WM9705_VENDOR_ID_MASK);
if (ret < 0)
return ret;
@@ -311,38 +319,45 @@ static int wm9705_soc_resume(struct snd_soc_codec *codec)
static int wm9705_soc_probe(struct snd_soc_codec *codec)
{
- struct snd_ac97 *ac97;
+ struct wm9705_priv *wm9705 = snd_soc_codec_get_drvdata(codec);
struct regmap *regmap;
- int ret;
-
- ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID,
- WM9705_VENDOR_ID_MASK);
- if (IS_ERR(ac97)) {
- dev_err(codec->dev, "Failed to register AC97 codec\n");
- return PTR_ERR(ac97);
- }
- regmap = regmap_init_ac97(ac97, &wm9705_regmap_config);
- if (IS_ERR(regmap)) {
- ret = PTR_ERR(regmap);
- goto err_free_ac97_codec;
+ if (wm9705->mfd_pdata) {
+ wm9705->ac97 = wm9705->mfd_pdata->ac97;
+ regmap = wm9705->mfd_pdata->regmap;
+ } else {
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ wm9705->ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID,
+ WM9705_VENDOR_ID_MASK);
+ if (IS_ERR(wm9705->ac97)) {
+ dev_err(codec->dev, "Failed to register AC97 codec\n");
+ return PTR_ERR(wm9705->ac97);
+ }
+
+ regmap = regmap_init_ac97(wm9705->ac97, &wm9705_regmap_config);
+ if (IS_ERR(regmap)) {
+ snd_soc_free_ac97_codec(wm9705->ac97);
+ return PTR_ERR(regmap);
+ }
+#endif
}
- snd_soc_codec_set_drvdata(codec, ac97);
+ snd_soc_codec_set_drvdata(codec, wm9705->ac97);
snd_soc_codec_init_regmap(codec, regmap);
return 0;
-err_free_ac97_codec:
- snd_soc_free_ac97_codec(ac97);
- return ret;
}
static int wm9705_soc_remove(struct snd_soc_codec *codec)
{
- struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec);
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ struct wm9705_priv *wm9705 = snd_soc_codec_get_drvdata(codec);
- snd_soc_codec_exit_regmap(codec);
- snd_soc_free_ac97_codec(ac97);
+ if (!wm9705->mfd_pdata) {
+ snd_soc_codec_exit_regmap(codec);
+ snd_soc_free_ac97_codec(wm9705->ac97);
+ }
+#endif
return 0;
}
@@ -364,6 +379,15 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm9705 = {
static int wm9705_probe(struct platform_device *pdev)
{
+ struct wm9705_priv *wm9705;
+
+ wm9705 = devm_kzalloc(&pdev->dev, sizeof(*wm9705), GFP_KERNEL);
+ if (wm9705 == NULL)
+ return -ENOMEM;
+
+ wm9705->mfd_pdata = dev_get_platdata(&pdev->dev);
+ platform_set_drvdata(pdev, wm9705);
+
return snd_soc_register_codec(&pdev->dev,
&soc_codec_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai));
}