diff options
| -rw-r--r-- | sound/soc/codecs/max9877.c | 96 |
1 files changed, 63 insertions, 33 deletions
diff --git a/sound/soc/codecs/max9877.c b/sound/soc/codecs/max9877.c index 7df9a7c0208..a1f1119e1b7 100644 --- a/sound/soc/codecs/max9877.c +++ b/sound/soc/codecs/max9877.c @@ -34,16 +34,16 @@ static int max9877_get_reg(struct snd_kcontrol *kcontrol, { struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - int reg = mc->reg; - int reg2 = mc->rreg; - int shift = mc->shift; - int mask = mc->max; + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int mask = mc->max; + unsigned int invert = mc->invert; ucontrol->value.integer.value[0] = (max9877_regs[reg] >> shift) & mask; - if (reg2) - ucontrol->value.integer.value[1] = - (max9877_regs[reg2] >> shift) & mask; + if (invert) + ucontrol->value.integer.value[0] = + mask - ucontrol->value.integer.value[0]; return 0; } @@ -53,39 +53,69 @@ static int max9877_set_reg(struct snd_kcontrol *kcontrol, { struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; - int reg = mc->reg; - int reg2 = mc->rreg; - int shift = mc->shift; - int mask = mc->max; - int change = 1; - int change2 = 1; - int ret = 0; - - if (((max9877_regs[reg] >> shift) & mask) == - ucontrol->value.integer.value[0]) + unsigned int reg = mc->reg; + unsigned int shift = mc->shift; + unsigned int mask = mc->max; + unsigned int invert = mc->invert; + unsigned int val = (ucontrol->value.integer.value[0] & mask); + + if (invert) + val = mask - val; + + if (((max9877_regs[reg] >> shift) & mask) == val) + return 0; + + max9877_regs[reg] &= ~(mask << shift); + max9877_regs[reg] |= val << shift; + max9877_write_regs(); + + return 1; +} + +static int max9877_get_2reg(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; + unsigned int shift = mc->shift; + unsigned int mask = mc->max; + + ucontrol->value.integer.value[0] = (max9877_regs[reg] >> shift) & mask; + ucontrol->value.integer.value[1] = (max9877_regs[reg2] >> shift) & mask; + + return 0; +} + +static int max9877_set_2reg(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int reg = mc->reg; + unsigned int reg2 = mc->rreg; + unsigned int shift = mc->shift; + unsigned int mask = mc->max; + unsigned int val = (ucontrol->value.integer.value[0] & mask); + unsigned int val2 = (ucontrol->value.integer.value[1] & mask); + unsigned int change = 1; + + if (((max9877_regs[reg] >> shift) & mask) == val) change = 0; - if (reg2) - if (((max9877_regs[reg2] >> shift) & mask) == - ucontrol->value.integer.value[1]) - change2 = 0; + if (((max9877_regs[reg2] >> shift) & mask) == val2) + change = 0; if (change) { max9877_regs[reg] &= ~(mask << shift); - max9877_regs[reg] |= ucontrol->value.integer.value[0] << shift; - ret = change; - } - - if (reg2 && change2) { + max9877_regs[reg] |= val << shift; max9877_regs[reg2] &= ~(mask << shift); - max9877_regs[reg2] |= ucontrol->value.integer.value[1] << shift; - ret = change2; - } - - if (ret) + max9877_regs[reg2] |= val2 << shift; max9877_write_regs(); + } - return ret; + return change; } static int max9877_get_out_mode(struct snd_kcontrol *kcontrol, @@ -190,7 +220,7 @@ static const struct snd_kcontrol_new max9877_controls[] = { max9877_get_reg, max9877_set_reg, max9877_output_tlv), SOC_DOUBLE_R_EXT_TLV("MAX9877 Amp HP Playback Volume", MAX9877_HPL_VOLUME, MAX9877_HPR_VOLUME, 0, 31, 0, - max9877_get_reg, max9877_set_reg, max9877_output_tlv), + max9877_get_2reg, max9877_set_2reg, max9877_output_tlv), SOC_SINGLE_EXT("MAX9877 INB Stereo Switch", MAX9877_INPUT_MODE, 4, 1, 1, max9877_get_reg, max9877_set_reg), |