Viliam Kubis wrote:
> Hello, for quite some time the "Smart 5.1" function in alsa is not working
> properly when motherboard has only 3 audio jacks.
>
> speaker-test -c 4 -t wav -Dsurround40
>
> Channels count (4) not available for playbacks: Invalid argument
Please try the patch below.
(This function uses 0x12 and 0x13 as the NIDs for the center/LFE and
side DACs. Shouldn't these be 0x24 and 0x25, as per the datasheet?)
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -2265,6 +2265,13 @@ static int vt1708_auto_fill_dac_nids(str
}
}
+ /* for Smart 5.1, line/mic inputs double as output pins */
+ if (cfg->line_outs == 1) {
+ spec->multiout.num_dacs = 3;
+ spec->multiout.dac_nids[AUTO_SEQ_SURROUND] = 0x11;
+ spec->multiout.dac_nids[AUTO_SEQ_CENLFE] = 0x12;
+ }
+
return 0;
}
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