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Commit f30f929f authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Greg Kroah-Hartman
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staging:iio: Add missing event code extract macros 



Add macros for extracting whether the event is for a differential channel and
the second channel number from the event code. These were the only two fields
which did not have such an macro yet.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Acked-by: default avatarJonathan Cameron <jic23@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent da367160

drivers/staging/iio/events.h

+2 −0
Original line number Diff line number Diff line
@@ -97,7 +97,9 @@ enum iio_event_direction { 
/* Event code number extraction depends on which type of event we have.

 * Perhaps review this function in the future*/

#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF))

#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF))



#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF)

#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1)



#endif