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Subject: media: rc: nec decoder should not send both repeat and keycode
Author: Sean Young <sean@xxxxxxxx>
Date: Sun Oct 1 16:38:29 2017 -0400
When receiving an nec repeat, rc_repeat() is called and then rc_keydown()
with the last decoded scancode. That last call is redundant.
Fixes: 265a2988d202 ("media: rc-core: consistent use of rc_repeat()")
Cc: <stable@xxxxxxxxxxxxxxx> # v4.14
Signed-off-by: Sean Young <sean@xxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
drivers/media/rc/ir-nec-decoder.c | 29 +++++++++++++++++------------
1 file changed, 17 insertions(+), 12 deletions(-)
---
diff --git a/drivers/media/rc/ir-nec-decoder.c b/drivers/media/rc/ir-nec-decoder.c
index 817c18f2ddd1..a95d09acc22a 100644
--- a/drivers/media/rc/ir-nec-decoder.c
+++ b/drivers/media/rc/ir-nec-decoder.c
@@ -87,8 +87,6 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev)
data->state = STATE_BIT_PULSE;
return 0;
} else if (eq_margin(ev.duration, NEC_REPEAT_SPACE, NEC_UNIT / 2)) {
- rc_repeat(dev);
- IR_dprintk(1, "Repeat last key\n");
data->state = STATE_TRAILER_PULSE;
return 0;
}
@@ -151,19 +149,26 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev)
if (!geq_margin(ev.duration, NEC_TRAILER_SPACE, NEC_UNIT / 2))
break;
- address = bitrev8((data->bits >> 24) & 0xff);
- not_address = bitrev8((data->bits >> 16) & 0xff);
- command = bitrev8((data->bits >> 8) & 0xff);
- not_command = bitrev8((data->bits >> 0) & 0xff);
+ if (data->count == NEC_NBITS) {
+ address = bitrev8((data->bits >> 24) & 0xff);
+ not_address = bitrev8((data->bits >> 16) & 0xff);
+ command = bitrev8((data->bits >> 8) & 0xff);
+ not_command = bitrev8((data->bits >> 0) & 0xff);
+
+ scancode = ir_nec_bytes_to_scancode(address,
+ not_address,
+ command,
+ not_command,
+ &rc_proto);
- scancode = ir_nec_bytes_to_scancode(address, not_address,
- command, not_command,
- &rc_proto);
+ if (data->is_nec_x)
+ data->necx_repeat = true;
- if (data->is_nec_x)
- data->necx_repeat = true;
+ rc_keydown(dev, rc_proto, scancode, 0);
+ } else {
+ rc_repeat(dev);
+ }
- rc_keydown(dev, rc_proto, scancode, 0);
data->state = STATE_INACTIVE;
return 0;
}