diff options
Diffstat (limited to 'sound/soc/codecs/wm9713.c')
| -rw-r--r-- | sound/soc/codecs/wm9713.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c index e3174c4d980d..1f241161445c 100644 --- a/sound/soc/codecs/wm9713.c +++ b/sound/soc/codecs/wm9713.c @@ -1132,8 +1132,17 @@ static int wm9713_soc_suspend(struct platform_device *pdev, { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_codec *codec = socdev->codec; + u16 reg; + + /* Disable everything except touchpanel - that will be handled + * by the touch driver and left disabled if touch is not in + * use. */ + reg = ac97_read(codec, AC97_EXTENDED_MID); + ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff); + ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); + ac97_write(codec, AC97_POWERDOWN, 0x6f00); + ac97_write(codec, AC97_POWERDOWN, 0xffff); - wm9713_dapm_event(codec, SNDRV_CTL_POWER_D3cold); return 0; } |