ALSA: Enable SPDIF output on ALC655
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>
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 6e831af..2c7cd97 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -2832,6 +2832,8 @@
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);