From 43f71d93a0cb342f0c918fba3f6abb7661e40ad2 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 27 Jul 2016 06:32:31 -0300 Subject: doc-rst: Remove the media docbook Now that all media documentation was converted to Sphinx, we should get rid of the old DocBook one, as we don't want people to submit patches against the old stuff. Signed-off-by: Mauro Carvalho Chehab Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- .../DocBook/media/v4l/vidioc-dbg-g-chip-info.xml | 207 --------------------- 1 file changed, 207 deletions(-) delete mode 100644 Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml (limited to 'Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml') diff --git a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml deleted file mode 100644 index f14a3bb1afaa..000000000000 --- a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml +++ /dev/null @@ -1,207 +0,0 @@ - - - ioctl VIDIOC_DBG_G_CHIP_INFO - &manvol; - - - - VIDIOC_DBG_G_CHIP_INFO - Identify the chips on a TV card - - - - - - int ioctl - int fd - int request - struct v4l2_dbg_chip_info -*argp - - - - - - Arguments - - - - fd - - &fd; - - - - request - - VIDIOC_DBG_G_CHIP_INFO - - - - argp - - - - - - - - - Description - - - Experimental - - This is an experimental interface and may change in -the future. - - - For driver debugging purposes this ioctl allows test -applications to query the driver about the chips present on the TV -card. Regular applications must not use it. When you found a chip -specific bug, please contact the linux-media mailing list (&v4l-ml;) -so it can be fixed. - - Additionally the Linux kernel must be compiled with the -CONFIG_VIDEO_ADV_DEBUG option to enable this ioctl. - - To query the driver applications must initialize the -match.type and -match.addr or match.name -fields of a &v4l2-dbg-chip-info; -and call VIDIOC_DBG_G_CHIP_INFO with a pointer to -this structure. On success the driver stores information about the -selected chip in the name and -flags fields. - - When match.type is -V4L2_CHIP_MATCH_BRIDGE, -match.addr selects the nth bridge 'chip' -on the TV card. You can enumerate all chips by starting at zero and -incrementing match.addr by one until -VIDIOC_DBG_G_CHIP_INFO fails with an &EINVAL;. -The number zero always selects the bridge chip itself, ⪚ the chip -connected to the PCI or USB bus. Non-zero numbers identify specific -parts of the bridge chip such as an AC97 register block. - - When match.type is -V4L2_CHIP_MATCH_SUBDEV, -match.addr selects the nth sub-device. This -allows you to enumerate over all sub-devices. - - On success, the name field will -contain a chip name and the flags field will -contain V4L2_CHIP_FL_READABLE if the driver supports -reading registers from the device or V4L2_CHIP_FL_WRITABLE -if the driver supports writing registers to the device. - - We recommended the v4l2-dbg -utility over calling this ioctl directly. It is available from the -LinuxTV v4l-dvb repository; see https://linuxtv.org/repo/ for -access instructions. - - - - struct <structname>v4l2_dbg_match</structname> - - &cs-ustr; - - - __u32 - type - See for a list of -possible types. - - - union - (anonymous) - - - - __u32 - addr - Match a chip by this number, interpreted according -to the type field. - - - - char - name[32] - Match a chip by this name, interpreted according -to the type field. Currently unused. - - - -
- - - struct <structname>v4l2_dbg_chip_info</structname> - - &cs-str; - - - struct v4l2_dbg_match - match - How to match the chip, see . - - - char - name[32] - The name of the chip. - - - __u32 - flags - Set by the driver. If V4L2_CHIP_FL_READABLE -is set, then the driver supports reading registers from the device. If -V4L2_CHIP_FL_WRITABLE is set, then it supports writing registers. - - - __u32 - reserved[8] - Reserved fields, both application and driver must set these to 0. - - - -
- - - - Chip Match Types - - &cs-def; - - - V4L2_CHIP_MATCH_BRIDGE - 0 - Match the nth chip on the card, zero for the - bridge chip. Does not match sub-devices. - - - V4L2_CHIP_MATCH_SUBDEV - 4 - Match the nth sub-device. - - - -
- - - - &return-value; - - - - EINVAL - - The match_type is invalid or -no device could be matched. - - - - - -- cgit