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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/userspace-api/media/rc/lirc-set-send-carrier.rst | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/userspace-api/media/rc/lirc-set-send-carrier.rst | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/rc/lirc-set-send-carrier.rst b/Documentation/userspace-api/media/rc/lirc-set-send-carrier.rst new file mode 100644 index 000000000..e3810ba58 --- /dev/null +++ b/Documentation/userspace-api/media/rc/lirc-set-send-carrier.rst @@ -0,0 +1,41 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: RC + +.. _lirc_set_send_carrier: + +*************************** +ioctl LIRC_SET_SEND_CARRIER +*************************** + +Name +==== + +LIRC_SET_SEND_CARRIER - Set send carrier used to modulate IR TX. + +Synopsis +======== + +.. c:macro:: LIRC_SET_SEND_CARRIER + +``int ioctl(int fd, LIRC_SET_SEND_CARRIER, __u32 *frequency)`` + +Arguments +========= + +``fd`` + File descriptor returned by open(). + +``frequency`` + Frequency of the carrier to be modulated, in Hz. + +Description +=========== + +Set send carrier used to modulate IR PWM pulses and spaces. + +Return Value +============ + +On success 0 is returned, on error -1 and the ``errno`` variable is set +appropriately. The generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. |