.. -*- coding: utf-8; mode: rst -*- .. _VIDIOC_G_STD: ******************************** ioctl VIDIOC_G_STD, VIDIOC_S_STD ******************************** Name ==== VIDIOC_G_STD - VIDIOC_S_STD - Query or select the video standard of the current input Synopsis ======== .. c:function:: int ioctl( int fd, VIDIOC_G_STD, v4l2_std_id *argp ) :name: VIDIOC_G_STD .. c:function:: int ioctl( int fd, VIDIOC_S_STD, const v4l2_std_id *argp ) :name: VIDIOC_S_STD Arguments ========= ``fd`` File descriptor returned by :ref:`open() `. ``argp`` Description =========== To query and select the current video standard applications use the :ref:`VIDIOC_G_STD ` and :ref:`VIDIOC_S_STD ` ioctls which take a pointer to a :ref:`v4l2_std_id ` type as argument. :ref:`VIDIOC_G_STD ` can return a single flag or a set of flags as in struct :c:type:`v4l2_standard` field ``id``. The flags must be unambiguous such that they appear in only one enumerated struct :c:type:`v4l2_standard` structure. :ref:`VIDIOC_S_STD ` accepts one or more flags, being a write-only ioctl it does not return the actual new standard as :ref:`VIDIOC_G_STD ` does. When no flags are given or the current input does not support the requested standard the driver returns an ``EINVAL`` error code. When the standard set is ambiguous drivers may return ``EINVAL`` or choose any of the requested standards. If the current input or output does not support standard video timings (e.g. if :ref:`VIDIOC_ENUMINPUT` does not set the ``V4L2_IN_CAP_STD`` flag), then ``ENODATA`` error code is returned. 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 ` chapter. EINVAL The :ref:`VIDIOC_S_STD ` parameter was unsuitable. ENODATA Standard video timings are not supported for this input or output. a0bee6c1e788218fd1d141db320db970aace7f0'>diff
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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2017-01-29 15:07:34 +0300
committerDavid S. Miller <davem@davemloft.net>2017-01-30 22:05:43 -0500
commit1a0bee6c1e788218fd1d141db320db970aace7f0 (patch)
tree46c4116bc8ef4a7df718516a648597d9e21c15f1 /net/rose/Makefile
parent63c190429020a9701b42887ac22c28f287f1762f (diff)
sh_eth: rename EESIPR bits
Since the commit b0ca2a21f769 ("sh_eth: Add support of SH7763 to sh_eth") the *enum* declaring the EESIPR bits (interrupt mask) went out of sync with the *enum* declaring the EESR bits (interrupt status) WRT bit naming and formatting. I'd like to restore the consistency by using EESIPR as the bit name prefix, renaming the *enum* to EESIPR_BIT, and (finally) renaming the bits according to the available Renesas SH77{34|63} manuals; additionally, reconstruct couple names using the EESR bit declaration above... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rose/Makefile')