diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/maestro3.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index 965d5c6f2fa0..17ae92613de4 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -1929,6 +1929,16 @@ snd_m3_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) return; snd_m3_outw(chip, val, CODEC_DATA); snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND); + /* + * Workaround for buggy ES1988 integrated AC'97 codec. It remains silent + * until the MASTER volume or mute is touched (alsactl restore does not + * work). + */ + if (ac97->id == 0x45838308 && reg == AC97_MASTER) { + snd_m3_ac97_wait(chip); + snd_m3_outw(chip, val, CODEC_DATA); + snd_m3_outb(chip, reg & 0x7f, CODEC_COMMAND); + } } |