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| author | Maxim Levitsky <maximlevitsky@gmail.com> | 2010-07-31 11:59:20 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-08-08 23:42:59 -0300 |
| commit | 86ff071cad3e7e4c7469b3941bfced6fe9b04b5f (patch) | |
| tree | 9a1a455f6fbc7f5d433faaad7d8abab67602ec6f /drivers/media/IR/ir-nec-decoder.c | |
| parent | e31f41278f0bed38ee16b55d09b49bed2f1b2085 (diff) | |
| download | lwn-86ff071cad3e7e4c7469b3941bfced6fe9b04b5f.tar.gz lwn-86ff071cad3e7e4c7469b3941bfced6fe9b04b5f.zip | |
V4L/DVB: IR: NECX: support repeat
This adds support for repeat detecting for NECX variant
Tested with uneversal remote
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/IR/ir-nec-decoder.c')
| -rw-r--r-- | drivers/media/IR/ir-nec-decoder.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c index 1c0cf0300d2d..d597421d6547 100644 --- a/drivers/media/IR/ir-nec-decoder.c +++ b/drivers/media/IR/ir-nec-decoder.c @@ -26,6 +26,7 @@ #define NEC_BIT_1_SPACE (3 * NEC_UNIT) #define NEC_TRAILER_PULSE (1 * NEC_UNIT) #define NEC_TRAILER_SPACE (10 * NEC_UNIT) /* even longer in reality */ +#define NECX_REPEAT_BITS 1 enum nec_state { STATE_INACTIVE, @@ -67,8 +68,12 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (!ev.pulse) break; - if (!eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT / 2) && - !eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2)) + if (eq_margin(ev.duration, NEC_HEADER_PULSE, NEC_UNIT / 2)) { + data->is_nec_x = false; + data->necx_repeat = false; + } else if (eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2)) + data->is_nec_x = true; + else break; data->count = 0; @@ -105,6 +110,17 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (ev.pulse) break; + if (data->necx_repeat && data->count == NECX_REPEAT_BITS && + geq_margin(ev.duration, + NEC_TRAILER_SPACE, NEC_UNIT / 2)) { + IR_dprintk(1, "Repeat last key\n"); + ir_repeat(input_dev); + data->state = STATE_INACTIVE; + return 0; + + } else if (data->count > NECX_REPEAT_BITS) + data->necx_repeat = false; + data->bits <<= 1; if (eq_margin(ev.duration, NEC_BIT_1_SPACE, NEC_UNIT / 2)) data->bits |= 1; @@ -159,6 +175,9 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) IR_dprintk(1, "NEC scancode 0x%04x\n", scancode); } + if (data->is_nec_x) + data->necx_repeat = true; + ir_keydown(input_dev, scancode, 0); data->state = STATE_INACTIVE; return 0; |