ALSA: Enable SPDIF output on ALC655
authorTakashi Iwai <tiwai@suse.de>
Tue, 12 Aug 2008 11:39:01 +0000 (13:39 +0200)
committerTakashi Iwai <tiwai@suse.de>
Mon, 20 Oct 2008 13:31:30 +0000 (15:31 +0200)
Some hardwares with ALC655 codec don't indicate the proper ext id bit
for SPDIF output although it supports.  Force to enable the bit.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/ac97/ac97_patch.c

index 6e831af..2c7cd97 100644 (file)
@@ -2832,6 +2832,8 @@ static int patch_alc655(struct snd_ac97 * ac97)
                        val &= ~(1 << 1); /* Pin 47 is EAPD (for internal speaker) */
                else
                        val |= (1 << 1); /* Pin 47 is spdif input pin */
+               /* this seems missing on some hardwares */
+               ac97->ext_id |= AC97_EI_SPDIF;
        }
        val &= ~(1 << 12); /* vref enable */
        snd_ac97_write_cache(ac97, 0x7a, val);