Commit a7e7cd5b authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: da7210: Add HeadPhone Playback Volume control 



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

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 49e70427

sound/soc/codecs/da7210.c

+27 −4
Original line number Diff line number Diff line
@@ -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: