linux-kernel - [PATCH 3.13 076/172] ALSA: hda/ca0132

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Message-Id: <20140304200302.174118940@linuxfoundation.org>
Date:	Tue,  4 Mar 2014 12:02:40 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Hsin-Yu Chao <hychao@...omium.org>,
	Dylan Reid <dgreid@...omium.org>, Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 3.13 076/172] ALSA: hda/ca0132 - Fix recording from mode id 0x8

3.13-stable review patch.  If anyone has any objections, please let me know.

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

From: Hsin-Yu Chao <hychao@...omium.org>

commit 13c12dbe3a2ce17227f7ddef652b6a53c78fa51f upstream.

Incorrect ADC is picked in ca0132_capture_pcm_prepare(),
where it assumes multiple streams while there is one stream
per ADC. Note that ca0132_capture_pcm_cleanup() already does
the right thing.

The Chromebook Pixel has a microphone under the keyboard that
is attached to node id 0x8. Before this fix, recording would
always go to the main internal mic (node id 0x7).

Signed-off-by: Hsin-Yu Chao <hychao@...omium.org>
Reviewed-by: Dylan Reid <dgreid@...omium.org>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/pci/hda/patch_ca0132.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -2768,9 +2768,7 @@ static int ca0132_capture_pcm_prepare(st
 					unsigned int format,
 					struct snd_pcm_substream *substream)
 {
-	struct ca0132_spec *spec = codec->spec;
-
-	snd_hda_codec_setup_stream(codec, spec->adcs[substream->number],
+	snd_hda_codec_setup_stream(codec, hinfo->nid,
 				   stream_tag, 0, format);
 
 	return 0;


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