From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../deprecated/saa7146/av7110/video-fwrite.rst | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 drivers/staging/media/deprecated/saa7146/av7110/video-fwrite.rst (limited to 'drivers/staging/media/deprecated/saa7146/av7110/video-fwrite.rst') diff --git a/drivers/staging/media/deprecated/saa7146/av7110/video-fwrite.rst b/drivers/staging/media/deprecated/saa7146/av7110/video-fwrite.rst new file mode 100644 index 000000000..a07fd7d7a --- /dev/null +++ b/drivers/staging/media/deprecated/saa7146/av7110/video-fwrite.rst @@ -0,0 +1,79 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.video + +.. _video_fwrite: + +================= +dvb video write() +================= + +Name +---- + +dvb video write() + +.. attention:: This ioctl is deprecated. + +Synopsis +-------- + +.. c:function:: size_t write(int fd, const void *buf, size_t count) + +Arguments +--------- + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + - .. row 1 + + - int fd + + - File descriptor returned by a previous call to open(). + + - .. row 2 + + - void \*buf + + - Pointer to the buffer containing the PES data. + + - .. row 3 + + - size_t count + + - Size of buf. + +Description +----------- + +This system call can only be used if VIDEO_SOURCE_MEMORY is selected +in the ioctl call VIDEO_SELECT_SOURCE. The data provided shall be in +PES format, unless the capability allows other formats. If O_NONBLOCK +is not specified the function will block until buffer space is +available. The amount of data to be transferred is implied by count. + +Return Value +------------ + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + - .. row 1 + + - ``EPERM`` + + - Mode VIDEO_SOURCE_MEMORY not selected. + + - .. row 2 + + - ``ENOMEM`` + + - Attempted to write more data than the internal buffer can hold. + + - .. row 3 + + - ``EBADF`` + + - fd is not a valid open file descriptor. -- cgit v1.2.3