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V4L/DVB: ir-core: change duration to be coded as a u32 integer

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This patch implements the agreed upon 1:31 integer encoded pulse/duration
struct for ir-core raw decoders. All decoders have been tested after the
change. Comments are welcome.

Signed-off-by: David Härdeman <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
David Härdeman 2010-04-15 18:46:00 -03:00 • committed by Mauro Carvalho Chehab
commit e40b1127f9
6 changed files with 285 additions and 256 deletions
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18
include/media/ir-core.h
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@ -128,9 +128,21 @@ u32 ir_g_keycode_from_table(struct input_dev *input_dev, u32 scancode);
/* From ir-raw-event.c */
void ir_raw_event_handle(struct input_dev *input_dev);
int ir_raw_event_store(struct input_dev *input_dev, s64 duration);
int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type type);
struct ir_raw_event {
unsigned pulse:1;
unsigned duration:31;
};
#define IR_MAX_DURATION 0x7FFFFFFF /* a bit more than 2 seconds */
void ir_raw_event_handle(struct input_dev *input_dev);
int ir_raw_event_store(struct input_dev *input_dev, struct ir_raw_event *ev);
int ir_raw_event_store_edge(struct input_dev *input_dev, enum raw_event_type type);
static inline void ir_raw_event_reset(struct input_dev *input_dev)
{
struct ir_raw_event ev = { .pulse = false, .duration = 0 };
ir_raw_event_store(input_dev, &ev);
ir_raw_event_handle(input_dev);
}
#endif /* _IR_CORE */