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V4L/DVB: ir-core: prepare to add more operations for ir decoders

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Some decoders and a lirc_dev interface may need some other operations to work.
For example: IR device register/unregister and ir_keydown events may need to
be tracked.

As some operations can occur in interrupt time, and a lock is needed to prevent
un-registering a decode while decoding a key, the lock needed to be convert
into a spin lock.

Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Mauro Carvalho Chehab 2010-03-25 21:13:43 -03:00
commit 93c312ff21
4 changed files with 62 additions and 24 deletions
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7
include/media/ir-core.h
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@ -88,6 +88,8 @@ struct ir_raw_handler {
int (*decode)(struct input_dev *input_dev,
struct ir_raw_event *evs,
int len);
int (*raw_register)(struct input_dev *input_dev);
int (*raw_unregister)(struct input_dev *input_dev);
};
#define to_ir_input_dev(_attr) container_of(_attr, struct ir_input_dev, attr)
@ -116,12 +118,7 @@ int ir_raw_event_store(struct input_dev *input_dev, enum raw_event_type type);
int ir_raw_event_handle(struct input_dev *input_dev);
int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler);
void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler);
#ifdef MODULE
void ir_raw_init(void);
#else
#define ir_raw_init() 0
#endif
/* from ir-nec-decoder.c */
#ifdef CONFIG_IR_NEC_DECODER_MODULE