6918ea2484
Update the 3.10 rasperry patches by rebasing raspberry/rpi-3.10-y against linux-stable/v3.10.49. Signed-off-by: Florian Fainelli <florian@openwrt.org> SVN-Revision: 42678
29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
From 13d82ae9cf856fd5b58c932181591a9a4fda8659 Mon Sep 17 00:00:00 2001
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From: Howard Mitchell <hm@hmbedded.co.uk>
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Date: Fri, 28 Mar 2014 16:40:31 +0000
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Subject: [PATCH 187/196] Use a range macro for Playback Volume.
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This allows limiting the output gain to avoid clipping in the
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DAC ouput stages.
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---
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sound/soc/codecs/pcm512x.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
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index ed36a4a..5bc96ec 100644
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--- a/sound/soc/codecs/pcm512x.c
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+++ b/sound/soc/codecs/pcm512x.c
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@@ -240,8 +240,8 @@ static const struct soc_enum pcm512x_veds =
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pcm512x_ramp_step_text);
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static const struct snd_kcontrol_new pcm512x_controls[] = {
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-SOC_DOUBLE_R_TLV("Playback Digital Volume", PCM512x_DIGITAL_VOLUME_2,
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- PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, digital_tlv),
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+SOC_DOUBLE_R_RANGE_TLV("Playback Digital Volume", PCM512x_DIGITAL_VOLUME_2,
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+ PCM512x_DIGITAL_VOLUME_3, 0, 48, 255, 1, digital_tlv),
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SOC_DOUBLE("Playback Digital Switch", PCM512x_MUTE, PCM512x_RQML_SHIFT,
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PCM512x_RQMR_SHIFT, 1, 1),
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--
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1.9.1
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