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authorJohn Crispin <blogic@openwrt.org>2015-02-11 10:17:55 +0000
committerJohn Crispin <blogic@openwrt.org>2015-02-11 10:17:55 +0000
commitc291f76d24a4190551a42b7b77a2cfeb3f4d36f9 (patch)
tree8f9211217d7e2cbaa78d10b596d81e646b3b9aad /target/linux/brcm2708/patches-3.18/0043-pcm512x-Use-a-range-macro-for-Volume-and-rename-to-P.patch
parent0e26998162921c65cbfe2814e500c81ca7b50dad (diff)
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brcm2708: update to v3.18
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44392 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm2708/patches-3.18/0043-pcm512x-Use-a-range-macro-for-Volume-and-rename-to-P.patch')
-rwxr-xr-xtarget/linux/brcm2708/patches-3.18/0043-pcm512x-Use-a-range-macro-for-Volume-and-rename-to-P.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.18/0043-pcm512x-Use-a-range-macro-for-Volume-and-rename-to-P.patch b/target/linux/brcm2708/patches-3.18/0043-pcm512x-Use-a-range-macro-for-Volume-and-rename-to-P.patch
new file mode 100755
index 0000000000..ab5e3632b3
--- /dev/null
+++ b/target/linux/brcm2708/patches-3.18/0043-pcm512x-Use-a-range-macro-for-Volume-and-rename-to-P.patch
@@ -0,0 +1,30 @@
+From 197803c176d753bc23fdf705306596cbd1e8b658 Mon Sep 17 00:00:00 2001
+From: Howard Mitchell <hm@hmbedded.co.uk>
+Date: Fri, 28 Mar 2014 16:40:31 +0000
+Subject: [PATCH 043/114] pcm512x: Use a range macro for Volume and rename to
+ PCM.
+
+This allows limiting the output gain to avoid clipping in the
+DAC ouput stages.
+---
+ sound/soc/codecs/pcm512x.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
+index 640c991..b405719 100644
+--- a/sound/soc/codecs/pcm512x.c
++++ b/sound/soc/codecs/pcm512x.c
+@@ -259,8 +259,8 @@ static const struct soc_enum pcm512x_veds =
+ pcm512x_ramp_step_text);
+
+ static const struct snd_kcontrol_new pcm512x_controls[] = {
+-SOC_DOUBLE_R_TLV("Digital Playback Volume", PCM512x_DIGITAL_VOLUME_2,
+- PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, digital_tlv),
++SOC_DOUBLE_R_RANGE_TLV("PCM", PCM512x_DIGITAL_VOLUME_2,
++ PCM512x_DIGITAL_VOLUME_3, 0, 40, 255, 1, digital_tlv),
+ SOC_DOUBLE_TLV("Playback Volume", PCM512x_ANALOG_GAIN_CTRL,
+ PCM512x_LAGN_SHIFT, PCM512x_RAGN_SHIFT, 1, 1, analog_tlv),
+ SOC_DOUBLE_TLV("Playback Boost Volume", PCM512x_ANALOG_GAIN_BOOST,
+--
+1.8.3.2
+