Commit 2a28f6cb authored by Michael Hennerich's avatar Michael Hennerich Committed by Greg Kroah-Hartman
Browse files

staging: iio: ad7476: fix !CONFIG_IIO_RING_BUFFER build issue reported by Randy Dunlap 



Fix function function decalration
Enable CONFIG_IIO_RING_BUFFER for the ad7476 driver

Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Acked-by: default avatarJonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent af737136

drivers/staging/iio/adc/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -50,6 +50,9 @@ config AD799X_RING_BUFFER 
config AD7476

	tristate "Analog Devices AD7475/6/7/8 AD7466/7/8 and AD7495 ADC driver"

	depends on SPI

	select IIO_RING_BUFFER	

	select IIO_SW_RING

	select IIO_TRIGGER 	

	help

	  Say yes here to build support for Analog Devices

	  AD7475, AD7476, AD7477, AD7478, AD7466, AD7467, AD7468, AD7495

drivers/staging/iio/adc/ad7476.h

+1 −3
Original line number Diff line number Diff line
@@ -59,9 +59,7 @@ int ad7476_scan_from_ring(struct ad7476_state *st); 
int ad7476_register_ring_funcs_and_init(struct iio_dev *indio_dev);

void ad7476_ring_cleanup(struct iio_dev *indio_dev);

#else /* CONFIG_IIO_RING_BUFFER */

static inline ssize_t ad7476_scan_from_ring(struct device *dev,

					     struct device_attribute *attr,

					     char *buf)

static inline int ad7476_scan_from_ring(struct ad7476_state *st)

{

	return 0;

}