diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2015-07-21 22:53:06 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-07-23 19:33:43 +0300 |
| commit | 310398f5e4618e9a0f6fd0c4b152401daf06c215 (patch) | |
| tree | ec36b4873b83dfebe9329a188dde8a359dd3eecc /sound/soc | |
| parent | a575be4cbb951244f93342487c2537f729f2239d (diff) | |
| download | linux-310398f5e4618e9a0f6fd0c4b152401daf06c215.tar.xz | |
ASoC: wm9713: 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')
| -rw-r--r-- | sound/soc/codecs/wm9713.c | 48 | ||||
| -rw-r--r-- | sound/soc/codecs/wm9713.h | 2 |
2 files changed, 8 insertions, 42 deletions
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c index 89cd2d6f57c0..955e6511af56 100644 --- a/sound/soc/codecs/wm9713.c +++ b/sound/soc/codecs/wm9713.c @@ -29,6 +29,9 @@ #include "wm9713.h" +#define WM9713_VENDOR_ID 0x574d4c13 +#define WM9713_VENDOR_ID_MASK 0xffffffff + struct wm9713_priv { struct snd_ac97 *ac97; u32 pll_in; /* PLL input frequency */ @@ -1123,28 +1126,6 @@ static struct snd_soc_dai_driver wm9713_dai[] = { }, }; -int wm9713_reset(struct snd_soc_codec *codec, int try_warm) -{ - struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec); - - if (try_warm && soc_ac97_ops->warm_reset) { - soc_ac97_ops->warm_reset(wm9713->ac97); - if (ac97_read(codec, 0) == wm9713_reg[0]) - return 1; - } - - soc_ac97_ops->reset(wm9713->ac97); - if (soc_ac97_ops->warm_reset) - soc_ac97_ops->warm_reset(wm9713->ac97); - if (ac97_read(codec, 0) != wm9713_reg[0]) { - dev_err(codec->dev, "Failed to reset: AC97 link error\n"); - return -EIO; - } - - return 0; -} -EXPORT_SYMBOL_GPL(wm9713_reset); - static int wm9713_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { @@ -1196,7 +1177,8 @@ static int wm9713_soc_resume(struct snd_soc_codec *codec) int i, ret; u16 *cache = codec->reg_cache; - ret = wm9713_reset(codec, 1); + ret = snd_ac97_reset(wm9713->ac97, true, WM9713_VENDOR_ID, + WM9713_VENDOR_ID_MASK); if (ret < 0) return ret; @@ -1222,32 +1204,18 @@ static int wm9713_soc_resume(struct snd_soc_codec *codec) static int wm9713_soc_probe(struct snd_soc_codec *codec) { struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec); - int ret = 0, reg; + int reg; - wm9713->ac97 = snd_soc_alloc_ac97_codec(codec); + wm9713->ac97 = snd_soc_new_ac97_codec(codec, WM9713_VENDOR_ID, + WM9713_VENDOR_ID_MASK); if (IS_ERR(wm9713->ac97)) return PTR_ERR(wm9713->ac97); - /* do a cold reset for the controller and then try - * a warm reset followed by an optional cold reset for codec */ - wm9713_reset(codec, 0); - ret = wm9713_reset(codec, 1); - if (ret < 0) - goto err_put_device; - - ret = device_add(&wm9713->ac97->dev); - if (ret) - goto err_put_device; - /* unmute the adc - move to kcontrol */ reg = ac97_read(codec, AC97_CD) & 0x7fff; ac97_write(codec, AC97_CD, reg); return 0; - -err_put_device: - put_device(&wm9713->ac97->dev); - return ret; } static int wm9713_soc_remove(struct snd_soc_codec *codec) diff --git a/sound/soc/codecs/wm9713.h b/sound/soc/codecs/wm9713.h index 793da863a03d..53df11b1f727 100644 --- a/sound/soc/codecs/wm9713.h +++ b/sound/soc/codecs/wm9713.h @@ -45,6 +45,4 @@ #define WM9713_DAI_AC97_AUX 1 #define WM9713_DAI_PCM_VOICE 2 -int wm9713_reset(struct snd_soc_codec *codec, int try_warm); - #endif |