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linux-igep2: Fix audio capture, the capture result is always silence

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Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Enric Balletbo i Serra 2009-10-27 13:18:59 +01:00 committed by Richard Purdie
parent 7a8660600e
commit 073faab2b1
2 changed files with 39 additions and 1 deletions
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34
meta/packages/linux/linux-igep2-2.6.28.10-0/twl-asoc-fix-record.diff Normal file
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@ -0,0 +1,34 @@
From linux-omap-owner@vger.kernel.org Sat Dec 06 02:14:21 2008
Date: Fri, 5 Dec 2008 16:46:34 -0800
From: "Steve Sakoman" <sakoman@gmail.com>
To: "linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>
Subject: [FYI PATCH] ASOC:TWL4030 Audio capture fix
A couple of folks have noticed an issue with audio capture -- the
capture result is always silence.
The patch below is a quick fix for those with this issue. There are
substantial changes to the codec driver that will be trickling down
from ASoC, and they deal with this issue differently.
So consider this as a bandaid for those who don't want to wait for the
trickle down :-)
Steve
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index ee2f0d3..8b4aafb 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -45,8 +45,8 @@ static const u8 twl4030_reg[TWL4030_CACHEREGNUM] = {
0xc3, /* REG_OPTION (0x2) */
0x00, /* REG_UNKNOWN (0x3) */
0x00, /* REG_MICBIAS_CTL (0x4) */
- 0x24, /* REG_ANAMICL (0x5) */
- 0x04, /* REG_ANAMICR (0x6) */
+ 0x34, /* REG_ANAMICL (0x5) */
+ 0x14, /* REG_ANAMICR (0x6) */
0x0a, /* REG_AVADC_CTL (0x7) */
0x00, /* REG_ADCMICSEL (0x8) */
0x00, /* REG_DIGMIXING (0x9) */

6
meta/packages/linux/linux-igep2_2.6.28.10-0.bb
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@ -7,9 +7,13 @@ COMPATIBLE_MACHINE = "igep0020b"
DEFAULT_PREFERENCE_igep0020b = "1"
PR = "r0"
PR = "r1"
SRC_URI = "http://downloads.myigep.com/sources/kernel/linux-omap-2.6.28.10-igep0020b-0.tar.gz \
file://defconfig"
SRC_URI_append = " \
file://twl-asoc-fix-record.diff;patch=1 \
"
S = "${WORKDIR}/linux-omap-2.6.28.10-igep0020b-0"