linux-kernel - [02/55] ALSA: hda - VIA: Fix independent headphone no sound issue

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Message-Id: <20110325234839.096468779@clark.kroah.org>
Date:	Fri, 25 Mar 2011 16:46:55 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Lydia Wang <lydiawang@...tech.com.cn>,
	Takashi Iwai <tiwai@...e.de>
Subject: [02/55] ALSA: hda - VIA: Fix independent headphone no sound issue

2.6.37-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Lydia Wang <lydiawang@...tech.com.cn>

commit ce0e5a9e81fbb153ee15ca60246c6722f07fc546 upstream.

Modify via_independent_hp_put() function to support VT1718S and VT1812
codecs, and fix independent headphone no sound issue.

Signed-off-by: Lydia Wang <lydiawang@...tech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 sound/pci/hda/patch_via.c |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -1192,8 +1192,16 @@ static int via_independent_hp_put(struct
 	/* Get Independent Mode index of headphone pin widget */
 	spec->hp_independent_mode = spec->hp_independent_mode_index == pinsel
 		? 1 : 0;
-	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, pinsel);
+	if (spec->codec_type == VT1718S)
+		snd_hda_codec_write(codec, nid, 0,
+				    AC_VERB_SET_CONNECT_SEL, pinsel ? 2 : 0);
+	else
+		snd_hda_codec_write(codec, nid, 0,
+				    AC_VERB_SET_CONNECT_SEL, pinsel);
 
+	if (spec->codec_type == VT1812)
+		snd_hda_codec_write(codec, 0x35, 0,
+				    AC_VERB_SET_CONNECT_SEL, pinsel);
 	if (spec->multiout.hp_nid && spec->multiout.hp_nid
 	    != spec->multiout.dac_nids[HDA_FRONT])
 		snd_hda_codec_setup_stream(codec, spec->multiout.hp_nid,
@@ -1212,6 +1220,8 @@ static int via_independent_hp_put(struct
 		activate_ctl(codec, "Headphone Playback Switch",
 			     spec->hp_independent_mode);
 	}
+	/* update jack power state */
+	set_jack_power_state(codec);
 	return 0;
 }
 


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