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ASoC: da7210: Add HeadPhone Playback Volume control

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HeadPhone Playback Volume control register of DA7210 has
reserved area. This patch considered it as mute.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kuninori Morimoto 2010-07-21 14:12:16 +09:00 committed by Mark Brown
parent 49e7042799
commit a7e7cd5bd7
1 changed files with 27 additions and 4 deletions
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31
sound/soc/codecs/da7210.c
View file

@ -23,6 +23,7 @@
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "da7210.h"
@ -136,6 +137,29 @@
#define DA7210_VERSION "0.0.1"
/*
* Playback Volume
*
* max : 0x3F (+15.0 dB)
* (1.5 dB step)
* min : 0x11 (-54.0 dB)
* mute : 0x10
* reserved : 0x00 - 0x0F
*
* ** FIXME **
*
* Reserved area are considered as "mute".
* -> min = -79.5 dB
*/
static const DECLARE_TLV_DB_SCALE(hp_out_tlv, -7950, 150, 1);
static const struct snd_kcontrol_new da7210_snd_controls[] = {
SOC_DOUBLE_R_TLV("HeadPhone Playback Volume",
DA7210_HP_L_VOL, DA7210_HP_R_VOL,
0, 0x3F, 0, hp_out_tlv),
};
/* Codec private data */
struct da7210_priv {
struct snd_soc_codec codec;
@ -218,10 +242,6 @@ static int da7210_startup(struct snd_pcm_substream *substream,
struct snd_soc_codec *codec = dai->codec;
if (is_play) {
/* PlayBack Volume 40 */
snd_soc_update_bits(codec, DA7210_HP_L_VOL, 0x3F, 40);
snd_soc_update_bits(codec, DA7210_HP_R_VOL, 0x3F, 40);
/* Enable Out */
snd_soc_update_bits(codec, DA7210_OUTMIX_L, 0x1F, 0x10);
snd_soc_update_bits(codec, DA7210_OUTMIX_R, 0x1F, 0x10);
@ -647,6 +667,9 @@ static int da7210_probe(struct platform_device *pdev)
if (ret < 0)
goto pcm_err;
snd_soc_add_controls(da7210_codec, da7210_snd_controls,
ARRAY_SIZE(da7210_snd_controls));
dev_info(&pdev->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
pcm_err: