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Staging: iio: fix ring buffer build 

max1363 uses both the iio hardware ring buffer and software
ring buffer interfaces, but its Makefile and Kconfig do not
reflect that usage, so its build breaks.  Add a new Kconfig
symbol to reflect that usage and change max1363.h & Makefile
to use the new Kconfig symbol.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
This commit is contained in:
Randy Dunlap 2009-11-10 09:04:28 -08:00 committed by Greg Kroah-Hartman
parent 76e4079807
commit d5f5d89f0a
3 changed files with 13 additions and 4 deletions
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9
drivers/staging/iio/adc/Kconfig
View File

@ -12,3 +12,12 @@ config MAX1363
convertors (ADC). (max1361, max1362, max1363, max1364, max1136,
max1136, max1137, max1138, max1139, max1236, max1237, max11238,
max1239) Provides direct access via sysfs.
config MAX1363_RING_BUFFER
bool "MAXIM max1363: use ring buffer"
depends on MAX1363
select IIO_RING_BUFFER
select IIO_SW_RING
help
Say yes here to include ring buffer support in the MAX1363
ADC driver.

2
drivers/staging/iio/adc/Makefile
View File

@ -3,6 +3,6 @@
#
max1363-y := max1363_core.o
max1363-$(CONFIG_IIO_RING_BUFFER) += max1363_ring.o
max1363-$(CONFIG_MAX1363_RING_BUFFER) += max1363_ring.o
obj-$(CONFIG_MAX1363) += max1363.o

6
drivers/staging/iio/adc/max1363.h
View File

@ -228,7 +228,7 @@ struct max1363_state {
struct iio_trigger *trig;
struct regulator *reg;
};
#ifdef CONFIG_IIO_RING_BUFFER
#ifdef CONFIG_MAX1363_RING_BUFFER
ssize_t max1363_scan_from_ring(struct device *dev,
struct device_attribute *attr,
@ -239,7 +239,7 @@ void max1363_ring_cleanup(struct iio_dev *indio_dev);
int max1363_initialize_ring(struct iio_ring_buffer *ring);
void max1363_uninitialize_ring(struct iio_ring_buffer *ring);
#else /* CONFIG_IIO_RING_BUFFER */
#else /* CONFIG_MAX1363_RING_BUFFER */
static inline void max1363_uninitialize_ring(struct iio_ring_buffer *ring)
{
@ -265,5 +265,5 @@ max1363_register_ring_funcs_and_init(struct iio_dev *indio_dev)
};
static inline void max1363_ring_cleanup(struct iio_dev *indio_dev) {};
#endif /* CONFIG_IIO_RING_BUFFER */
#endif /* CONFIG_MAX1363_RING_BUFFER */
#endif /* _MAX1363_H_ */