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media: lirc: remove unused feature LIRC_CAN_SET_REC_DUTY_CYCLE

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There is no hardware which can filter input on the duty cycle, so no
driver implements this. On top of that, LIRC_CAN_SET_REC_DUTY_CYCLE
has the same value as LIRC_CAN_MEASURE_CARRIER (0x02000000).

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Sean Young 2022-02-09 17:03:12 +01:00 committed by Mauro Carvalho Chehab
parent c81652a4a8
commit 1092347165
2 changed files with 0 additions and 2 deletions
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1
Documentation/userspace-api/media/lirc.h.rst.exceptions
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@ -30,7 +30,6 @@ ignore define LIRC_CAN_REC
ignore define LIRC_CAN_SEND_MASK
ignore define LIRC_CAN_REC_MASK
ignore define LIRC_CAN_SET_REC_DUTY_CYCLE
# Obsolete ioctls

1
include/uapi/linux/lirc.h
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@ -73,7 +73,6 @@
#define LIRC_CAN_REC_MASK LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
#define LIRC_CAN_SET_REC_CARRIER (LIRC_CAN_SET_SEND_CARRIER << 16)
#define LIRC_CAN_SET_REC_DUTY_CYCLE (LIRC_CAN_SET_SEND_DUTY_CYCLE << 16)
#define LIRC_CAN_SET_REC_CARRIER_RANGE 0x80000000
#define LIRC_CAN_GET_REC_RESOLUTION 0x20000000