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audio: Add Mute function for tas5782 [1/1]

Browse Source 
PD#SWPL-5961

Problem:
  There is no mute control for tas5782

Solution:
  Add mute function for tas 5782

Verify:
  A113

Change-Id: I75f8b82a359778f28494636fe76c7bc4db848643
Signed-off-by: yujie.wu <yujie.wu@amlogic.com>
This commit is contained in:
yujie.wu
2019-03-15 10:13:02 +08:00
committed by Luke Go
parent d7900b5335
commit cb576aede8
1 changed files with 141 additions and 0 deletions
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141
sound/soc/codecs/amlogic/tas5782m.c
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@@ -52,6 +52,7 @@ static void tas5782m_late_resume(struct early_suspend *h);
SNDRV_PCM_FMTBIT_S32_LE)
#define TAS5782M_REG_00 (0x00)
#define TAS5782M_REG_03 (0x03)
#define TAS5782M_REG_7F (0x7F)
#define TAS5782M_REG_28 (0x28)
#define TAS5782M_REG_29 (0x29)
@@ -85,6 +86,8 @@ struct tas5782m_priv {
struct soc_enum eq_conf_enum;
unsigned char Ch1_vol;
unsigned char Ch2_vol;
unsigned char Ch1_mute;
unsigned char Ch2_mute;
unsigned char master_vol;
unsigned int mclk;
unsigned int EQ_enum_value;
@@ -127,6 +130,38 @@ static int tas5782m_ch2_vol_info(struct snd_kcontrol *kcontrol,
}
static int tas5782m_ch1_mute_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->access = SNDRV_CTL_ELEM_ACCESS_TLV_READ
| SNDRV_CTL_ELEM_ACCESS_READWRITE;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
uinfo->value.integer.step = 1;
return 0;
}
static int tas5782m_ch2_mute_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->access = SNDRV_CTL_ELEM_ACCESS_TLV_READ
| SNDRV_CTL_ELEM_ACCESS_READWRITE;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
uinfo->value.integer.step = 1;
return 0;
}
static int tas5782m_ch1_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@@ -150,6 +185,29 @@ static int tas5782m_ch2_vol_get(struct snd_kcontrol *kcontrol,
}
static int tas5782m_ch1_mute_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = tas5782m->Ch1_mute;
return 0;
}
static int tas5782m_ch2_mute_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = tas5782m->Ch2_mute;
return 0;
}
static void tas5782m_set_volume(struct snd_soc_codec *codec,
int value, int ch_num)
{
@@ -198,6 +256,7 @@ static int tas5782m_ch1_vol_put(struct snd_kcontrol *kcontrol,
value = ucontrol->value.integer.value[0];
tas5782m->Ch1_vol = value;
value = 255 - value;
tas5782m_set_volume(codec, value, 0);
return 0;
@@ -212,11 +271,78 @@ static int tas5782m_ch2_vol_put(struct snd_kcontrol *kcontrol,
value = ucontrol->value.integer.value[0];
tas5782m->Ch2_vol = value;
value = 255 - value;
tas5782m_set_volume(codec, value, 1);
return 0;
}
static void tas5782m_set_mute(struct snd_soc_codec *codec,
unsigned char left_mute,
unsigned char right_mute)
{
unsigned char buf[2];
int write_count = 0;
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
buf[0] = TAS5782M_REG_00, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = TAS5782M_REG_7F, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = TAS5782M_REG_00, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = TAS5782M_REG_03;
buf[1] = left_mute << 4 | right_mute;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
}
static int tas5782m_ch1_mute_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
int value;
value = ucontrol->value.integer.value[0];
tas5782m->Ch1_mute = value;
tas5782m_set_mute(codec, tas5782m->Ch1_mute, tas5782m->Ch2_mute);
return 0;
}
static int tas5782m_ch2_mute_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
int value;
value = ucontrol->value.integer.value[0];
tas5782m->Ch2_mute = value;
tas5782m_set_mute(codec, tas5782m->Ch1_mute, tas5782m->Ch2_mute);
return 0;
}
static const struct snd_kcontrol_new tas5782m_snd_controls[] = {
{
@@ -232,7 +358,22 @@ static const struct snd_kcontrol_new tas5782m_snd_controls[] = {
.info = tas5782m_ch2_vol_info,
.get = tas5782m_ch2_vol_get,
.put = tas5782m_ch2_vol_put,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Ch1 Mute",
.info = tas5782m_ch1_mute_info,
.get = tas5782m_ch1_mute_get,
.put = tas5782m_ch1_mute_set,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Ch2 Mute",
.info = tas5782m_ch2_mute_info,
.get = tas5782m_ch2_mute_get,
.put = tas5782m_ch2_mute_set,
}
};
static int tas5782m_set_dai_sysclk(struct snd_soc_dai *codec_dai,