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[ALSA] hda - Avoid unexpected breakage with ALC889A hack 

The last ALC889A hack may break on some devices with certain model presets
since patch_alc*() have different model tables.  So, now it's handled in
the original patch_alc882() but fly to patch_alc883() in model=auto
appropriately.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2008-04-16 17:29:09 +02:00
parent cb308f97ae
commit 7943a8aba9
1 changed files with 9 additions and 1 deletions
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10
sound/pci/hda/patch_realtek.c
View File

@ -2579,6 +2579,7 @@ static void alc_free(struct hda_codec *codec)
kfree(spec->kctl_alloc);
}
kfree(spec);
codec->spec = NULL; /* to be sure */
}
/*
@ -6336,6 +6337,8 @@ static void alc882_auto_init(struct hda_codec *codec)
alc_sku_automute(codec);
}
static int patch_alc883(struct hda_codec *codec); /* called in patch_alc882() */
static int patch_alc882(struct hda_codec *codec)
{
struct alc_spec *spec;
@ -6365,6 +6368,11 @@ static int patch_alc882(struct hda_codec *codec)
board_config = ALC885_MBP3;
break;
default:
/* ALC889A is handled better as ALC888-compatible */
if (codec->revision_id == 0x100103) {
alc_free(codec);
return patch_alc883(codec);
}
printk(KERN_INFO "hda_codec: Unknown model for ALC882, "
"trying auto-probe from BIOS...\n");
board_config = ALC882_AUTO;
@ -14043,7 +14051,7 @@ struct hda_codec_preset snd_hda_preset_realtek[] = {
{ .id = 0x10ec0882, .name = "ALC882", .patch = patch_alc882 },
{ .id = 0x10ec0883, .name = "ALC883", .patch = patch_alc883 },
{ .id = 0x10ec0885, .rev = 0x100103, .name = "ALC889A",
.patch = patch_alc883 },
.patch = patch_alc882 }, /* should be patch_alc883() in future */
{ .id = 0x10ec0885, .name = "ALC885", .patch = patch_alc882 },
{ .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 },
{ .id = 0x10ec0889, .name = "ALC889", .patch = patch_alc883 },