diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2015-07-21 22:53:04 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-07-23 19:33:37 +0300 |
| commit | 6e0b73a0a172f4d881092e388b3a3ad57ca80107 (patch) | |
| tree | 388ba77023258d8ddee7972782395ddbaa100b89 /sound/soc/codecs/wm9705.c | |
| parent | 017e800af9f91861dcd6e4fd8a29418de86fd884 (diff) | |
| download | linux-6e0b73a0a172f4d881092e388b3a3ad57ca80107.tar.xz | |
ASoC: wm9705: Use core AC'97 reset helper
Use the new snd_ac97_reset() helper and the reset functionality provided by
snd_soc_new_ac97_codec() to perform the device reset rather than
open-coding it.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm9705.c')
| -rw-r--r-- | sound/soc/codecs/wm9705.c | 40 |
1 files changed, 8 insertions, 32 deletions
diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c index 5cc457ef8894..744842c76a60 100644 --- a/sound/soc/codecs/wm9705.c +++ b/sound/soc/codecs/wm9705.c @@ -22,6 +22,9 @@ #include "wm9705.h" +#define WM9705_VENDOR_ID 0x574d4c05 +#define WM9705_VENDOR_ID_MASK 0xffffffff + /* * WM9705 register cache */ @@ -293,21 +296,6 @@ static struct snd_soc_dai_driver wm9705_dai[] = { } }; -static int wm9705_reset(struct snd_soc_codec *codec) -{ - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); - - if (soc_ac97_ops->reset) { - soc_ac97_ops->reset(ac97); - if (ac97_read(codec, 0) == wm9705_reg[0]) - return 0; /* Success */ - } - - dev_err(codec->dev, "Failed to reset: AC97 link error\n"); - - return -EIO; -} - #ifdef CONFIG_PM static int wm9705_soc_suspend(struct snd_soc_codec *codec) { @@ -324,7 +312,8 @@ static int wm9705_soc_resume(struct snd_soc_codec *codec) int i, ret; u16 *cache = codec->reg_cache; - ret = wm9705_reset(codec); + ret = snd_ac97_reset(ac97, true, WM9705_VENDOR_ID, + WM9705_VENDOR_ID_MASK); if (ret < 0) return ret; @@ -342,30 +331,17 @@ static int wm9705_soc_resume(struct snd_soc_codec *codec) static int wm9705_soc_probe(struct snd_soc_codec *codec) { struct snd_ac97 *ac97; - int ret = 0; - ac97 = snd_soc_alloc_ac97_codec(codec); + ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID, + WM9705_VENDOR_ID_MASK); if (IS_ERR(ac97)) { - ret = PTR_ERR(ac97); dev_err(codec->dev, "Failed to register AC97 codec\n"); - return ret; + return PTR_ERR(ac97); } - ret = wm9705_reset(codec); - if (ret) - goto err_put_device; - - ret = device_add(&ac97->dev); - if (ret) - goto err_put_device; - snd_soc_codec_set_drvdata(codec, ac97); return 0; - -err_put_device: - put_device(&ac97->dev); - return ret; } static int wm9705_soc_remove(struct snd_soc_codec *codec) |