Commit 92eda6b7 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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media: cec/core: clarify rx-arb-lost usage message 



The rx-arb-lost error injection command only works with <op> set to 'any'.
Explicitly say so in the usage message.

Also use [] to indicate that the <poll> argument is optional.

Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 2f65dd20

Documentation/userspace-api/media/cec/cec-pin-error-inj.rst

+1 −1
Original line number Diff line number Diff line
@@ -44,7 +44,7 @@ error injection status:: 
	#   <op>[,<mode>] rx-low-drive <bit>   force a low-drive condition at this bit position

	#   <op>[,<mode>] rx-add-byte          add a spurious byte to the received CEC message

	#   <op>[,<mode>] rx-remove-byte       remove the last byte from the received CEC message

	#   <op>[,<mode>] rx-arb-lost <poll>   generate a POLL message to trigger an arbitration lost

	#    any[,<mode>] rx-arb-lost [<poll>] generate a POLL message to trigger an arbitration lost

	#

	# TX error injection settings:

	#   tx-ignore-nack-until-eom           ignore early NACKs until EOM

drivers/media/cec/core/cec-pin-error-inj.c

+1 −1
Original line number Diff line number Diff line
@@ -277,7 +277,7 @@ int cec_pin_error_inj_show(struct cec_adapter *adap, struct seq_file *sf) 
	seq_puts(sf, "#   <op>[,<mode>] rx-low-drive <bit>   force a low-drive condition at this bit position\n");

	seq_puts(sf, "#   <op>[,<mode>] rx-add-byte          add a spurious byte to the received CEC message\n");

	seq_puts(sf, "#   <op>[,<mode>] rx-remove-byte       remove the last byte from the received CEC message\n");

	seq_puts(sf, "#   <op>[,<mode>] rx-arb-lost <poll>   generate a POLL message to trigger an arbitration lost\n");

	seq_puts(sf, "#    any[,<mode>] rx-arb-lost [<poll>] generate a POLL message to trigger an arbitration lost\n");

	seq_puts(sf, "#\n");

	seq_puts(sf, "# TX error injection settings:\n");

	seq_puts(sf, "#   tx-ignore-nack-until-eom           ignore early NACKs until EOM\n");