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- 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(-)
- --- a/sound/soc/codecs/pcm512x.c
- +++ b/sound/soc/codecs/pcm512x.c
- @@ -259,8 +259,8 @@ static const struct soc_enum pcm512x_ved
- 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("Analogue Playback Volume", PCM512x_ANALOG_GAIN_CTRL,
- PCM512x_LAGN_SHIFT, PCM512x_RAGN_SHIFT, 1, 1, analog_tlv),
- SOC_DOUBLE_TLV("Analogue Playback Boost Volume", PCM512x_ANALOG_GAIN_BOOST,
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