brcm2708: update to v3.18
[openwrt/svn-archive/archive.git] / target / linux / brcm2708 / patches-3.18 / 0043-pcm512x-Use-a-range-macro-for-Volume-and-rename-to-P.patch
1 From 197803c176d753bc23fdf705306596cbd1e8b658 Mon Sep 17 00:00:00 2001
2 From: Howard Mitchell <hm@hmbedded.co.uk>
3 Date: Fri, 28 Mar 2014 16:40:31 +0000
4 Subject: [PATCH 043/114] pcm512x: Use a range macro for Volume and rename to
5 PCM.
6
7 This allows limiting the output gain to avoid clipping in the
8 DAC ouput stages.
9 ---
10 sound/soc/codecs/pcm512x.c | 4 ++--
11 1 file changed, 2 insertions(+), 2 deletions(-)
12
13 diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
14 index 640c991..b405719 100644
15 --- a/sound/soc/codecs/pcm512x.c
16 +++ b/sound/soc/codecs/pcm512x.c
17 @@ -259,8 +259,8 @@ static const struct soc_enum pcm512x_veds =
18 pcm512x_ramp_step_text);
19
20 static const struct snd_kcontrol_new pcm512x_controls[] = {
21 -SOC_DOUBLE_R_TLV("Digital Playback Volume", PCM512x_DIGITAL_VOLUME_2,
22 - PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, digital_tlv),
23 +SOC_DOUBLE_R_RANGE_TLV("PCM", PCM512x_DIGITAL_VOLUME_2,
24 + PCM512x_DIGITAL_VOLUME_3, 0, 40, 255, 1, digital_tlv),
25 SOC_DOUBLE_TLV("Playback Volume", PCM512x_ANALOG_GAIN_CTRL,
26 PCM512x_LAGN_SHIFT, PCM512x_RAGN_SHIFT, 1, 1, analog_tlv),
27 SOC_DOUBLE_TLV("Playback Boost Volume", PCM512x_ANALOG_GAIN_BOOST,
28 --
29 1.8.3.2
30