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ASoC: AD1836: Add ADC/DAC controls helper macros 

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>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Lars-Peter Clausen 2011-06-06 13:38:36 +02:00 коммит произвёл Mark Brown
Родитель 85e9e76638
Коммит 90bc11d1d0
2 изменённых файлов: 33 добавлений и 38 удалений
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48
sound/soc/codecs/ad1836.c
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@ -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));

23
sound/soc/codecs/ad1836.h
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@ -27,29 +27,20 @@
#define AD1836_DAC_WORD_LEN_MASK 0x18
#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_SERFMT_MASK (7 << 6)
#define AD1836_ADC_SERFMT_PCK256 (0x4 << 6)