diff options
| -rw-r--r-- | sound/soc/codecs/tpa6130a2.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c index 0cf3e38..fa4fa33 100644 --- a/sound/soc/codecs/tpa6130a2.c +++ b/sound/soc/codecs/tpa6130a2.c @@ -176,7 +176,7 @@ exit: return ret; } -static int tpa6130a2_get_reg(struct snd_kcontrol *kcontrol, +static int tpa6130a2_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct soc_mixer_control *mc = @@ -184,7 +184,8 @@ static int tpa6130a2_get_reg(struct snd_kcontrol *kcontrol, struct tpa6130a2_data *data; unsigned int reg = mc->reg; unsigned int shift = mc->shift; - unsigned int mask = mc->max; + int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; BUG_ON(tpa6130a2_client == NULL); @@ -197,13 +198,13 @@ static int tpa6130a2_get_reg(struct snd_kcontrol *kcontrol, if (invert) ucontrol->value.integer.value[0] = - mask - ucontrol->value.integer.value[0]; + max - ucontrol->value.integer.value[0]; mutex_unlock(&data->mutex); return 0; } -static int tpa6130a2_set_reg(struct snd_kcontrol *kcontrol, +static int tpa6130a2_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct soc_mixer_control *mc = @@ -211,7 +212,8 @@ static int tpa6130a2_set_reg(struct snd_kcontrol *kcontrol, struct tpa6130a2_data *data; unsigned int reg = mc->reg; unsigned int shift = mc->shift; - unsigned int mask = mc->max; + int max = mc->max; + unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; unsigned int val = (ucontrol->value.integer.value[0] & mask); unsigned int val_reg; @@ -220,7 +222,7 @@ static int tpa6130a2_set_reg(struct snd_kcontrol *kcontrol, data = i2c_get_clientdata(tpa6130a2_client); if (invert) - val = mask - val; + val = max - val; mutex_lock(&data->mutex); @@ -260,7 +262,7 @@ static const unsigned int tpa6130_tlv[] = { static const struct snd_kcontrol_new tpa6130a2_controls[] = { SOC_SINGLE_EXT_TLV("TPA6130A2 Headphone Playback Volume", TPA6130A2_REG_VOL_MUTE, 0, 0x3f, 0, - tpa6130a2_get_reg, tpa6130a2_set_reg, + tpa6130a2_get_volsw, tpa6130a2_put_volsw, tpa6130_tlv), }; @@ -274,7 +276,7 @@ static const unsigned int tpa6140_tlv[] = { static const struct snd_kcontrol_new tpa6140a2_controls[] = { SOC_SINGLE_EXT_TLV("TPA6140A2 Headphone Playback Volume", TPA6130A2_REG_VOL_MUTE, 1, 0x1f, 0, - tpa6130a2_get_reg, tpa6130a2_set_reg, + tpa6130a2_get_volsw, tpa6130a2_put_volsw, tpa6140_tlv), }; |