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