The different ADC and DAC controls follow the same scheme, so add some helper macros for declaring them. This should make the code a bit more readable and also decreases the code size a bit.
Signed-off-by: Lars-Peter Clausen lars@metafoo.de --- sound/soc/codecs/ad1836.c | 48 ++++++++++++++++++++++++-------------------- sound/soc/codecs/ad1836.h | 23 ++++++--------------- 2 files changed, 33 insertions(+), 38 deletions(-)
diff --git a/sound/soc/codecs/ad1836.c b/sound/soc/codecs/ad1836.c index 754c496..5c6d239 100644 --- a/sound/soc/codecs/ad1836.c +++ b/sound/soc/codecs/ad1836.c @@ -44,28 +44,32 @@ static const char *ad1836_deemp[] = {"None", "44.1kHz", "32kHz", "48kHz"}; static const struct soc_enum ad1836_deemp_enum = SOC_ENUM_SINGLE(AD1836_DAC_CTRL1, 8, 4, ad1836_deemp);
+#define AD1836_DAC_VOLUME(x) \ + SOC_DOUBLE_R("DAC" #x " Playback Volume", AD1836_DAC_L_VOL(x), \ + AD1836_DAC_R_VOL(x), 0, 0x3FF, 0) + +#define AD1836_DAC_SWITCH(x) \ + SOC_DOUBLE("DAC" #x " Playback Switch", AD1836_DAC_CTRL2, \ + AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1) + +#define AD1836_ADC_SWITCH(x) \ + SOC_DOUBLE("ADC" #x " Capture Switch", AD1836_ADC_CTRL2, \ + AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1) + static const struct snd_kcontrol_new ad1836_snd_controls[] = { /* DAC volume control */ - SOC_DOUBLE_R("DAC1 Volume", AD1836_DAC_L1_VOL, - AD1836_DAC_R1_VOL, 0, 0x3FF, 0), - SOC_DOUBLE_R("DAC2 Volume", AD1836_DAC_L2_VOL, - AD1836_DAC_R2_VOL, 0, 0x3FF, 0), - SOC_DOUBLE_R("DAC3 Volume", AD1836_DAC_L3_VOL, - AD1836_DAC_R3_VOL, 0, 0x3FF, 0), + AD1836_DAC_VOLUME(1), + AD1836_DAC_VOLUME(2), + AD1836_DAC_VOLUME(3),
/* ADC switch control */ - SOC_DOUBLE("ADC1 Switch", AD1836_ADC_CTRL2, AD1836_ADCL1_MUTE, - AD1836_ADCR1_MUTE, 1, 1), - SOC_DOUBLE("ADC2 Switch", AD1836_ADC_CTRL2, AD1836_ADCL2_MUTE, - AD1836_ADCR2_MUTE, 1, 1), + AD1836_ADC_SWITCH(1), + AD1836_ADC_SWITCH(2),
/* DAC switch control */ - SOC_DOUBLE("DAC1 Switch", AD1836_DAC_CTRL2, AD1836_DACL1_MUTE, - AD1836_DACR1_MUTE, 1, 1), - SOC_DOUBLE("DAC2 Switch", AD1836_DAC_CTRL2, AD1836_DACL2_MUTE, - AD1836_DACR2_MUTE, 1, 1), - SOC_DOUBLE("DAC3 Switch", AD1836_DAC_CTRL2, AD1836_DACL3_MUTE, - AD1836_DACR3_MUTE, 1, 1), + AD1836_DAC_SWITCH(1), + AD1836_DAC_SWITCH(2), + AD1836_DAC_SWITCH(3),
/* ADC high-pass filter */ SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1, @@ -242,12 +246,12 @@ static int ad1836_probe(struct snd_soc_codec *codec) /* left/right diff:PGA/MUX */ snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A); /* volume */ - snd_soc_write(codec, AD1836_DAC_L1_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_R1_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_L2_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_R2_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_L3_VOL, 0x3FF); - snd_soc_write(codec, AD1836_DAC_R3_VOL, 0x3FF); + snd_soc_write(codec, AD1836_DAC_L_VOL(1), 0x3FF); + snd_soc_write(codec, AD1836_DAC_R_VOL(1), 0x3FF); + snd_soc_write(codec, AD1836_DAC_L_VOL(2), 0x3FF); + snd_soc_write(codec, AD1836_DAC_R_VOL(2), 0x3FF); + snd_soc_write(codec, AD1836_DAC_L_VOL(3), 0x3FF); + snd_soc_write(codec, AD1836_DAC_R_VOL(3), 0x3FF);
snd_soc_add_controls(codec, ad1836_snd_controls, ARRAY_SIZE(ad1836_snd_controls)); diff --git a/sound/soc/codecs/ad1836.h b/sound/soc/codecs/ad1836.h index 9d6a3f8..f13402f 100644 --- a/sound/soc/codecs/ad1836.h +++ b/sound/soc/codecs/ad1836.h @@ -28,29 +28,20 @@ #define AD1836_DAC_WORD_LEN_OFFSET 3
#define AD1836_DAC_CTRL2 1 -#define AD1836_DACL1_MUTE 0 -#define AD1836_DACR1_MUTE 1 -#define AD1836_DACL2_MUTE 2 -#define AD1836_DACR2_MUTE 3 -#define AD1836_DACL3_MUTE 4 -#define AD1836_DACR3_MUTE 5
-#define AD1836_DAC_L1_VOL 2 -#define AD1836_DAC_R1_VOL 3 -#define AD1836_DAC_L2_VOL 4 -#define AD1836_DAC_R2_VOL 5 -#define AD1836_DAC_L3_VOL 6 -#define AD1836_DAC_R3_VOL 7 +/* These macros are one-based. So AD183X_MUTE_LEFT(1) will return the mute bit + * for the first ADC/DAC */ +#define AD1836_MUTE_LEFT(x) (((x) * 2) - 2) +#define AD1836_MUTE_RIGHT(x) (((x) * 2) - 1) + +#define AD1836_DAC_L_VOL(x) ((x) * 2) +#define AD1836_DAC_R_VOL(x) (1 + ((x) * 2))
#define AD1836_ADC_CTRL1 12 #define AD1836_ADC_POWERDOWN 7 #define AD1836_ADC_HIGHPASS_FILTER 8
#define AD1836_ADC_CTRL2 13 -#define AD1836_ADCL1_MUTE 0 -#define AD1836_ADCR1_MUTE 1 -#define AD1836_ADCL2_MUTE 2 -#define AD1836_ADCR2_MUTE 3 #define AD1836_ADC_WORD_LEN_MASK 0x30 #define AD1836_ADC_WORD_OFFSET 5 #define AD1836_ADC_SERFMT_MASK (7 << 6)