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: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> --- diff --git a/Documentation/userspace-api/media/cec/cec-pin-error-inj.rst b/Documentation/userspace-api/media/cec/cec-pin-error-inj.rst index 064c8c5a1943..b0efce40471f 100644 --- a/Documentation/userspace-api/media/cec/cec-pin-error-inj.rst +++ b/Documentation/userspace-api/media/cec/cec-pin-error-inj.rst @@ -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 diff --git a/drivers/media/cec/core/cec-pin-error-inj.c b/drivers/media/cec/core/cec-pin-error-inj.c index c0088d3b8e3d..fc0968b9d40e 100644 --- a/drivers/media/cec/core/cec-pin-error-inj.c +++ b/drivers/media/cec/core/cec-pin-error-inj.c @@ -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");