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[media] ir-core: more cleanups of ir-functions.c

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cx88 only depends on VIDEO_IR because it needs ir_extract_bits().
Move that function to ir-core.h and make it inline.

Lots of drivers had dependencies on VIDEO_IR when they really
wanted IR_CORE.

The only remaining drivers to depend on VIDEO_IR are bt8xx and
saa7134 (ir_rc5_timer_end is the only function exported by
ir-functions).

Rename VIDEO_IR -> IR_LEGACY to give a hint to anyone writing or
converting drivers to IR_CORE that they do not want a dependency
on IR_LEGACY.

Signed-off-by: David Härdeman <[email protected]>
Acked-by: Jarod Wilson <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
David Härdeman 2010-10-29 16:08:12 -03:00 • committed by Mauro Carvalho Chehab
commit 3ffea4988b
19 changed files with 40 additions and 47 deletions
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1
include/media/ir-common.h
View file

@ -73,7 +73,6 @@ struct card_ir {
};
/* Routines from ir-functions.c */
u32 ir_extract_bits(u32 data, u32 mask);
void ir_rc5_timer_end(unsigned long data);
#endif

19
include/media/ir-core.h
View file

@ -212,4 +212,23 @@ static inline void ir_raw_event_reset(struct input_dev *input_dev)
ir_raw_event_handle(input_dev);
}
/* extract mask bits out of data and pack them into the result */
static inline u32 ir_extract_bits(u32 data, u32 mask)
{
u32 vbit = 1, value = 0;
do {
if (mask & 1) {
if (data & 1)
value |= vbit;
vbit <<= 1;
}
data >>= 1;
} while (mask >>= 1);
return value;
}
#endif /* _IR_CORE */