linux-4.4.1/vb2_core_querybuf()
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開始行:
*参照元 [#ud0298aa]
#backlinks
*説明 [#ud6eb154]
-パス: [[linux-4.4.1/drivers/media/v4l2-core/videobuf2-co...
-FIXME: これは何?
--説明
**引数 [#v7cc73a3]
-struct vb2_queue *q
--
--[[linux-4.4.1/vb2_queue]]
-unsigned int index
--
-void *pb
--
**返り値 [#vd18d3aa]
-int
--
**参考 [#p8087cab]
*実装 [#f89186e4]
/**
* vb2_core_querybuf() - query video buffer information
* @q: videobuf queue
* @index: id number of the buffer
* @pb: buffer struct passed from userspace
*
* Should be called from vidioc_querybuf ioctl handler i...
* The passed buffer should have been verified.
* This function fills the relevant information for the ...
*
* The return values from this function are intended to ...
* from vidioc_querybuf handler in driver.
*/
int vb2_core_querybuf(struct vb2_queue *q, unsigned int ...
{
return call_bufop(q, fill_user_buffer, q->bufs[i...
-
--q->buf_ops->fill_user_buffer を呼び出す。
---q->buf_ops は const struct vb2_buf_ops * 型
---[[linux-4.4.1/vb2_buf_ops]]
--[[linux-4.4.1/call_bufop()]]
}
EXPORT_SYMBOL_GPL(vb2_core_querybuf);
-
--[[linux-4.4.1/]]
*コメント [#ube9dca1]
終了行:
*参照元 [#ud0298aa]
#backlinks
*説明 [#ud6eb154]
-パス: [[linux-4.4.1/drivers/media/v4l2-core/videobuf2-co...
-FIXME: これは何?
--説明
**引数 [#v7cc73a3]
-struct vb2_queue *q
--
--[[linux-4.4.1/vb2_queue]]
-unsigned int index
--
-void *pb
--
**返り値 [#vd18d3aa]
-int
--
**参考 [#p8087cab]
*実装 [#f89186e4]
/**
* vb2_core_querybuf() - query video buffer information
* @q: videobuf queue
* @index: id number of the buffer
* @pb: buffer struct passed from userspace
*
* Should be called from vidioc_querybuf ioctl handler i...
* The passed buffer should have been verified.
* This function fills the relevant information for the ...
*
* The return values from this function are intended to ...
* from vidioc_querybuf handler in driver.
*/
int vb2_core_querybuf(struct vb2_queue *q, unsigned int ...
{
return call_bufop(q, fill_user_buffer, q->bufs[i...
-
--q->buf_ops->fill_user_buffer を呼び出す。
---q->buf_ops は const struct vb2_buf_ops * 型
---[[linux-4.4.1/vb2_buf_ops]]
--[[linux-4.4.1/call_bufop()]]
}
EXPORT_SYMBOL_GPL(vb2_core_querybuf);
-
--[[linux-4.4.1/]]
*コメント [#ube9dca1]
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