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Commit b201131c authored by Tobin Davis's avatar Tobin Davis Committed by Jaroslav Kysela
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[ALSA] hda-codec: Add 4 channel support for Realtek ALC883 



I had a request for a 4 channel mode.  This should implement front
and surround outputs, leaving the 3rd plug for mic input.

Signed-off-by: default avatarTobin Davis <tdavis@dsl-only.net>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent c36fd8c3

sound/pci/hda/patch_realtek.c

+14 −1
Original line number Diff line number Diff line
@@ -6086,6 +6086,18 @@ static struct hda_verb alc883_3ST_ch2_init[] = { 
	{ } /* end */

};



/*

 * 4ch mode

 */

static struct hda_verb alc883_3ST_ch4_init[] = {

	{ 0x18, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80 },

	{ 0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE },

	{ 0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },

	{ 0x1a, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE },

	{ 0x1a, AC_VERB_SET_CONNECT_SEL, 0x01 },

	{ } /* end */

};



/*

 * 6ch mode

 */
@@ -6099,8 +6111,9 @@ static struct hda_verb alc883_3ST_ch6_init[] = { 
	{ } /* end */

};



static struct hda_channel_mode alc883_3ST_6ch_modes[2] = {

static struct hda_channel_mode alc883_3ST_6ch_modes[3] = {

	{ 2, alc883_3ST_ch2_init },

	{ 4, alc883_3ST_ch4_init },

	{ 6, alc883_3ST_ch6_init },

};