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ALSA: hda - Enable sync_write for AMD chipset with IDT 92HD8x codecs

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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>
This commit is contained in:
Takashi Iwai 2011-04-21 15:27:58 +02:00
parent d2edeb7c6f
commit 885f42e1f4
1 changed files with 7 additions and 0 deletions
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7
sound/pci/hda/patch_sigmatel.c
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@ -5446,6 +5446,13 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
spec->multiout.dac_nids = spec->dac_nids;
spec->init = stac92hd83xxx_core_init;
if (codec->bus->pci && codec->bus->pci->vendor == PCI_VENDOR_ID_AMD) {
snd_printk(KERN_INFO "idt92hd83xxx: "
"Enable sync_write for AMD chipset\n");
codec->bus->sync_write = 1;
codec->bus->allow_bus_reset = 1;
}
spec->board_config = snd_hda_check_board_config(codec,
STAC_92HD83XXX_MODELS,
stac92hd83xxx_models,