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iio: adc: ad-sigma-delta: Allow custom IRQ flags

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Before this patch the ad_sigma_delta implementation hardcoded
the irq trigger type to low, assuming that all Sigma-Delta ADCs
have the same interrupt-type.

This patch allows all drivers using the ad_sigma_delta layer to set the
irq trigger type to the one specified in the datasheet.

Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Alexandru Tachici
2020-01-13 12:26:52 +02:00
committed by Jonathan Cameron
parent a4e6f40c77
commit da4d3d6bb9
6 changed files with 8 additions and 1 deletions
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2
include/linux/iio/adc/ad_sigma_delta.h
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@@ -40,6 +40,7 @@ struct iio_dev;
* @read_mask: Mask for the communications register having the read bit set.
* @data_reg: Address of the data register, if 0 the default address of 0x3 will
* be used.
* @irq_flags: flags for the interrupt used by the triggered buffer
*/
struct ad_sigma_delta_info {
int (*set_channel)(struct ad_sigma_delta *, unsigned int channel);
@@ -49,6 +50,7 @@ struct ad_sigma_delta_info {
unsigned int addr_shift;
unsigned int read_mask;
unsigned int data_reg;
unsigned long irq_flags;
};
/**