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[media] media: rc: ir-sharp-decoder: add support for Denon variant of the protocol

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Denon also uses the Sharp protocol, however with different check bits.

It would have been also possible to add this as a separate protocol
but this may not be worth the effort.

Successfully tested with a Denon RC-1002 remote control.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Heiner Kallweit 2015-10-29 17:28:08 -02:00 committed by Mauro Carvalho Chehab
parent dd4c22a61e
commit 1b0621af50
2 changed files with 5 additions and 2 deletions
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3
drivers/media/rc/Kconfig
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@ -101,7 +101,8 @@ config IR_SHARP_DECODER
---help---
Enable this option if you have an infrared remote control which
uses the Sharp protocol, and you need software decoding support.
uses the Sharp protocol (Sharp, Denon), and you need software
decoding support.
config IR_MCE_KBD_DECODER
tristate "Enable IR raw decoder for the MCE keyboard/mouse protocol"

4
drivers/media/rc/ir-sharp-decoder.c
View File

@ -118,7 +118,9 @@ static int ir_sharp_decode(struct rc_dev *dev, struct ir_raw_event ev)
if (data->count == SHARP_NBITS) {
/* exp,chk bits should be 1,0 */
if ((data->bits & 0x3) != 0x2)
if ((data->bits & 0x3) != 0x2 &&
/* DENON variant, both chk bits 0 */
(data->bits & 0x3) != 0x0)
break;
data->state = STATE_ECHO_SPACE;
} else {