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>
diff --git a/drivers/media/IR/ir-nec-decoder.c b/drivers/media/IR/ir-nec-decoder.c
index 1c0cf03..d597421 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 @@
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 @@
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 @@
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;