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iio: st_sensors: add debugfs register read hook

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This adds a debugfs hook to read/write registers in the ST
sensors using debugfs. Proved to be awesome help when trying
to debug why IRQs do not arrive.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Linus Walleij
2015-08-12 10:22:41 +02:00
committed by Jonathan Cameron
parent 8d96fc276a
commit a0175b9c76
6 changed files with 30 additions and 0 deletions
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include/linux/iio/common/st_sensors.h
+4
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@@ -271,6 +271,10 @@ void st_sensors_power_enable(struct iio_dev *indio_dev);
void st_sensors_power_disable(struct iio_dev *indio_dev);
int st_sensors_debugfs_reg_access(struct iio_dev *indio_dev,
unsigned reg, unsigned writeval,
unsigned *readval);
int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr);
int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable);