linux-kernel - [40/78] ALSA: HDA: Fixup unnecessary volume control index on Realtek ALC88x

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Date:	Mon, 21 Mar 2011 16:01:56 -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,
	David Henningsson <david.henningsson@...onical.com>,
	Takashi Iwai <tiwai@...e.de>
Subject: [40/78] ALSA: HDA: Fixup unnecessary volume control index on Realtek ALC88x

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

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

From: David Henningsson <david.henningsson@...onical.com>

commit 7e59e097c09b82760bb0fe08b0fa2b704d76c3f4 upstream.

Without this change, a volume control named "Surround" or "Side" would
get an unnecessary index, causing it to be ignored by the vmaster and
PulseAudio.

Tested-by: Bartłomiej Żogała <nusch88@...il.com>
Signed-off-by: David Henningsson <david.henningsson@...onical.com>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 sound/pci/hda/patch_realtek.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5207,16 +5207,19 @@ static int alc880_auto_create_multi_out_
 				return err;
 		} else {
 			const char *name = pfx;
-			if (!name)
+			int index = i;
+			if (!name) {
 				name = chname[i];
+				index = 0;
+			}
 			err = __add_pb_vol_ctrl(spec, ALC_CTL_WIDGET_VOL,
-						name, i,
+						name, index,
 					  HDA_COMPOSE_AMP_VAL(nid, 3, 0,
 							      HDA_OUTPUT));
 			if (err < 0)
 				return err;
 			err = __add_pb_sw_ctrl(spec, ALC_CTL_BIND_MUTE,
-					       name, i,
+					       name, index,
 					  HDA_COMPOSE_AMP_VAL(nid, 3, 2,
 							      HDA_INPUT));
 			if (err < 0)


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