From c872e8cab5b7cab0696bcf09c6f03c972edc1c49 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 12 Aug 2008 13:39:01 +0200 Subject: [PATCH] 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 --- sound/pci/ac97/ac97_patch.c | 2 ++ 1 file changed, 2 insertions(+) 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 @@ 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); -- 2.7.4