Commit 2594d960 authored by Rolf Stefan Wilke's avatar Rolf Stefan Wilke Committed by Jaroslav Kysela
Browse files

[ALSA] emu10k1 - Fix STAC9758 front channel

For some time now, some users of STAC9758 (emu10k1) would have no sound on
their front channels. This can be fixed (at least for me) by unmuting  head
phone volume and setting it to 0dB before removing the 'Front Playback'
control. For details, cf.
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2308


Find the appropriate patch attached.
Credits to: Raymond
Signed-off-by: default avatarRolf Stefan Wilke <stefan.wilke@uni-ulm.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 88cb4290
......@@ -1582,6 +1582,7 @@ int __devinit snd_emu10k1_mixer(struct snd_emu10k1 *emu,
if (emu->ac97->id == AC97_ID_STAC9758) {
emu->rear_ac97 = 1;
snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE|AC97SLOT_REAR_LEFT|AC97SLOT_REAR_RIGHT);
snd_ac97_write_cache(emu->ac97, AC97_HEADPHONE, 0x0202);
}
/* remove unused AC97 controls */
snd_ac97_write_cache(emu->ac97, AC97_SURROUND_MASTER, 0x0202);
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment