diff options
| author |   Takashi Iwai <tiwai@suse.de> | 2012-08-28 09:20:13 -0700 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-08-28 09:26:16 -0700 |
| commit | c36b5b054aaf14d68261970e3769398110e636d8 (patch) | |
| tree | b7da0f6db0af2db6149bc47dfa28e263cee4027b /sound | |
| parent | ALSA: hda - Avoid unnecessary parameter read for EPSS (diff) | |
| download | linux-dev-c36b5b054aaf14d68261970e3769398110e636d8.tar.xz linux-dev-c36b5b054aaf14d68261970e3769398110e636d8.zip | |
ALSA: hda - Don't trust codec EPSS bit for IDT 92HD83xx & co
These codecs seem reporting EPSS but require longer delay for the
proper D3 transition. For example, D3_STOP_CLOCK_OK bit won't be set
correctly even after D3.
In this patch, codec->epss flag is overridden for avoid the
misbehavior.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 3edd73c3d361..6f806d3e56bb 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -5534,6 +5534,7 @@ static int patch_stac92hd83xxx(struct hda_codec *codec) snd_hda_codec_set_pincfg(codec, 0xf, 0x2181205e); } + codec->epss = 0; /* longer delay needed for D3 */ codec->no_trigger_sense = 1; codec->spec = spec; |