linux-kernel - [06/55] ALSA: hda - VIA: Fix VT1708 cant build up Headphone control issue

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Message-Id: <20110325234839.517978523@clark.kroah.org>
Date:	Fri, 25 Mar 2011 16:46:59 -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: [06/55] ALSA: hda - VIA: Fix VT1708 cant build up Headphone control issue

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

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

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

commit ee3c35c0827de02de414d08b2ddcbb910c2263ab upstream.

Since VT1708 didn't support the control of getting connection number,
building of headphone control will fail in via_hp_build() function.

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 |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -1267,9 +1267,12 @@ static int via_hp_build(struct hda_codec
 		break;
 	}
 
-	nums = snd_hda_get_connections(codec, nid, conn, HDA_MAX_CONNECTIONS);
-	if (nums <= 1)
-		return 0;
+	if (spec->codec_type != VT1708) {
+		nums = snd_hda_get_connections(codec, nid,
+					       conn, HDA_MAX_CONNECTIONS);
+		if (nums <= 1)
+			return 0;
+	}
 
 	knew = via_clone_control(spec, &via_hp_mixer[0]);
 	if (knew == NULL)


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