[PATCH 07/13] IR: NECX: support repeat
From: Maxim Levitsky <maximlevitsky@gmail.com>
Date: 2010-07-30 11:39:18
Also in:
linux-media
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
This adds support for repeat detecting for NECX variant Tested with uneversal remote Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> --- drivers/media/IR/ir-core-priv.h | 1 + drivers/media/IR/ir-nec-decoder.c | 16 ++++++++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h
index 84c7a9a..08383b9 100644
--- a/drivers/media/IR/ir-core-priv.h
+++ b/drivers/media/IR/ir-core-priv.h@@ -45,6 +45,7 @@ struct ir_raw_event_ctrl { int state; unsigned count; u32 bits; + bool is_nec_x; } nec; struct rc5_dec { int state;
diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c
index 1c0cf03..59127b1 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 +68,11 @@ 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; + else if (eq_margin(ev.duration, NECX_HEADER_PULSE, NEC_UNIT / 2)) + data->is_nec_x = true; + else break; data->count = 0;
@@ -105,6 +109,14 @@ static int ir_nec_decode(struct input_dev *input_dev, struct ir_raw_event ev) if (ev.pulse) break; + if (geq_margin(ev.duration, NEC_TRAILER_SPACE, NEC_UNIT / 2) && + data->is_nec_x && data->count == NECX_REPEAT_BITS) { + IR_dprintk(1, "Repeat last key\n"); + ir_repeat(input_dev); + data->state = STATE_INACTIVE; + return 0; + } + data->bits <<= 1; if (eq_margin(ev.duration, NEC_BIT_1_SPACE, NEC_UNIT / 2)) data->bits |= 1;
--
1.7.0.4