Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

staging:iio: Add missing event code extract macros

Browse source 
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: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lars-Peter Clausen 2012-02-13 10:25:33 +01:00 • committed by Greg Kroah-Hartman
parent da36716042
commit f30f929fcd
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/staging/iio/events.h
View file

@ -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