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staging:iio:ad7793: Use common Sigma Delta library

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Convert the ad7793 driver to make use of the new common code for devices from
the Analog Devices Sigma Delta family.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen
2012-08-10 17:36:00 +01:00
committed by Jonathan Cameron
parent 32e0e7e08c
commit 1abec6ac69
3 changed files with 77 additions and 556 deletions
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drivers/staging/iio/adc/Kconfig
+1 -2
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@@ -111,8 +111,7 @@ config AD7780
config AD7793
tristate "Analog Devices AD7792 AD7793 ADC driver"
depends on SPI
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
select AD_SIGMA_DELTA
help
Say yes here to build support for Analog Devices
AD7792 and AD7793 SPI analog to digital converters (ADC).
drivers/staging/iio/adc/ad7793.c
+74 -554
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File diff suppressed because it is too large Load Diff
drivers/staging/iio/adc/ad7793.h
+2
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@@ -41,6 +41,7 @@
/* Mode Register Bit Designations (AD7793_REG_MODE) */
#define AD7793_MODE_SEL(x) (((x) & 0x7) << 13) /* Operation Mode Select */
#define AD7793_MODE_SEL_MASK (0x7 << 13) /* Operation Mode Select mask */
#define AD7793_MODE_CLKSRC(x) (((x) & 0x3) << 6) /* ADC Clock Source Select */
#define AD7793_MODE_RATE(x) ((x) & 0xF) /* Filter Update Rate Select */
@@ -70,6 +71,7 @@
#define AD7793_CONF_REFSEL (1 << 7) /* INT/EXT Reference Select */
#define AD7793_CONF_BUF (1 << 4) /* Buffered Mode Enable */
#define AD7793_CONF_CHAN(x) ((x) & 0x7) /* Channel select */
#define AD7793_CONF_CHAN_MASK 0x7 /* Channel select mask */
#define AD7793_CH_AIN1P_AIN1M 0 /* AIN1(+) - AIN1(-) */
#define AD7793_CH_AIN2P_AIN2M 1 /* AIN2(+) - AIN2(-) */