diff options
| author | Takashi Iwai <tiwai@suse.de> | 2011-04-21 09:27:58 -0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-04-21 09:27:58 -0400 |
| commit | 885f42e1f466c36e3663d912a831e940f01a112b (patch) | |
| tree | 8660217c1070b8d16f61db7750364391de917443 /sound | |
| parent | d2edeb7c6f1dada8ca7d5c23e42d604e92ae0c76 (diff) | |
ALSA: hda - Enable sync_write for AMD chipset with IDT 92HD8x codecs
The AMD chipset seems unstable in the normal operation mode, and it
seems requring more sensible access for each verb. Enabling sync_write
mode and allowing bus-reset is a sort of workaround for these chipset
stability issues.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 05fcd60cc46f..c391bfb95e09 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c | |||
| @@ -5446,6 +5446,13 @@ static int patch_stac92hd83xxx(struct hda_codec *codec) | |||
| 5446 | spec->multiout.dac_nids = spec->dac_nids; | 5446 | spec->multiout.dac_nids = spec->dac_nids; |
| 5447 | spec->init = stac92hd83xxx_core_init; | 5447 | spec->init = stac92hd83xxx_core_init; |
| 5448 | 5448 | ||
| 5449 | if (codec->bus->pci && codec->bus->pci->vendor == PCI_VENDOR_ID_AMD) { | ||
| 5450 | snd_printk(KERN_INFO "idt92hd83xxx: " | ||
| 5451 | "Enable sync_write for AMD chipset\n"); | ||
| 5452 | codec->bus->sync_write = 1; | ||
| 5453 | codec->bus->allow_bus_reset = 1; | ||
| 5454 | } | ||
| 5455 | |||
| 5449 | spec->board_config = snd_hda_check_board_config(codec, | 5456 | spec->board_config = snd_hda_check_board_config(codec, |
| 5450 | STAC_92HD83XXX_MODELS, | 5457 | STAC_92HD83XXX_MODELS, |
| 5451 | stac92hd83xxx_models, | 5458 | stac92hd83xxx_models, |