From d5f5d89f0a48930436dba9735fda4663e7b55ed2 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 10 Nov 2009 09:04:28 -0800 Subject: [PATCH] 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 Signed-off-by: Jonathan Cameron --- drivers/staging/iio/adc/Kconfig | 9 +++++++++ drivers/staging/iio/adc/Makefile | 2 +- drivers/staging/iio/adc/max1363.h | 6 +++--- 3 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig index a2f1626..3989c0c 100644 --- a/drivers/staging/iio/adc/Kconfig +++ b/drivers/staging/iio/adc/Kconfig @@ -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. diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile index 0c2b6f3..08cee5c2 100644 --- a/drivers/staging/iio/adc/Makefile +++ b/drivers/staging/iio/adc/Makefile @@ -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 diff --git a/drivers/staging/iio/adc/max1363.h b/drivers/staging/iio/adc/max1363.h index 8aca81f..c112fbe 100644 --- a/drivers/staging/iio/adc/max1363.h +++ b/drivers/staging/iio/adc/max1363.h @@ -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_ */ -- 2.7.4