2015-02-11 10:17:55 +00:00
|
|
|
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
|
2015-02-13 07:38:27 +00:00
|
|
|
@@ -259,8 +259,8 @@ static const struct soc_enum pcm512x_ved
|
2015-02-11 10:17:55 +00:00
|
|
|
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),
|
2015-05-21 19:32:46 +00:00
|
|
|
SOC_DOUBLE_TLV("Analogue Playback Volume", PCM512x_ANALOG_GAIN_CTRL,
|
2015-02-11 10:17:55 +00:00
|
|
|
PCM512x_LAGN_SHIFT, PCM512x_RAGN_SHIFT, 1, 1, analog_tlv),
|
2015-05-21 19:32:46 +00:00
|
|
|
SOC_DOUBLE_TLV("Analogue Playback Boost Volume", PCM512x_ANALOG_GAIN_BOOST,
|
