[ALSA] intel8x0 - Add support of 8 channel sound
Added the support of 8 channel sound for codecs that are known to work.
So far, only ALC850 is marked as a 8ch-support codec.
This fix is a modified version of the patch on ALSA BTS#2097 by
Martin Ellis:
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2097
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h
index 0148058..049edc5 100644
--- a/include/sound/ac97_codec.h
+++ b/include/sound/ac97_codec.h
@@ -397,6 +397,7 @@
#define AC97_HAS_NO_TONE (1<<16) /* no Tone volume */
#define AC97_HAS_NO_STD_PCM (1<<17) /* no standard AC97 PCM volume and mute */
#define AC97_HAS_NO_AUX (1<<18) /* no standard AC97 AUX volume and mute */
+#define AC97_HAS_8CH (1<<19) /* supports 8-channel output */
/* rates indexes */
#define AC97_RATES_FRONT_DAC 0