Commit 1abec6ac authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

staging:iio:ad7793: Use common Sigma Delta library 



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

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 32e0e7e0

drivers/staging/iio/adc/Kconfig

+1 −2
Original line number Diff line number Diff line
@@ -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

+72 −552

File changed.

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drivers/staging/iio/adc/ad7793.h

+2 −0
Original line number Diff line number Diff line
@@ -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(-) */