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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 10:09:31 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 10:09:31 -0700
commit25581ad107be24b89d805da51a03d616f8f3d1be (patch)
tree36e2bd32667b5dd5a39e1939c1c5162f18967715 /Documentation/video4linux/sn9c102.txt
parent72cf2709bf8e0410800f118c4298bfbf8715b303 (diff)
parent7477ddaa4d2d69bbcd49e12990af158dbb03f2f2 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (244 commits) V4L/DVB (4210b): git-dvb: tea575x-tuner build fix V4L/DVB (4210a): git-dvb versus matroxfb V4L/DVB (4209): Added some BTTV PCI IDs for newer boards Fixes some sync issues between V4L/DVB development and GIT V4L/DVB (4206): Cx88-blackbird: always set encoder height based on tvnorm->id V4L/DVB (4205): Merge tda9887 module into tuner. V4L/DVB (4203): Explicitly set the enum values. V4L/DVB (4202): allow selecting CX2341x port mode V4L/DVB (4200): Disable bitrate_mode when encoding mpeg-1. V4L/DVB (4199): Add cx2341x-specific control array to cx2341x.c V4L/DVB (4198): Avoid newer usages of obsoleted experimental MPEGCOMP API V4L/DVB (4197): Port new MPEG API to saa7134-empress with saa6752hs V4L/DVB (4196): Port cx88-blackbird to the new MPEG API. V4L/DVB (4193): Update cx2341x fw encoding API doc. V4L/DVB (4192): Use control helpers for saa7115, cx25840, msp3400. V4L/DVB (4191): Add CX2341X MPEG encoder module. V4L/DVB (4190): Add helper functions for control processing to v4l2-common. V4L/DVB (4189): Add videodev support for VIDIOC_S/G/TRY_EXT_CTRLS. V4L/DVB (4188): Add new MPEG control/ioctl definitions to videodev2.h V4L/DVB (4186): Add support for the DNTV Live! mini DVB-T card. ...
Diffstat (limited to 'Documentation/video4linux/sn9c102.txt')
-rw-r--r--Documentation/video4linux/sn9c102.txt78
1 files changed, 39 insertions, 39 deletions
diff --git a/Documentation/video4linux/sn9c102.txt b/Documentation/video4linux/sn9c102.txt
index 142920bc011f..1d20895b4354 100644
--- a/Documentation/video4linux/sn9c102.txt
+++ b/Documentation/video4linux/sn9c102.txt
@@ -1,9 +1,9 @@
- SN9C10x PC Camera Controllers
- Driver for Linux
- =============================
+ SN9C10x PC Camera Controllers
+ Driver for Linux
+ =============================
- - Documentation -
+ - Documentation -
Index
@@ -176,46 +176,46 @@ Name: video_nr
Type: short array (min = 0, max = 64)
Syntax: <-1|n[,...]>
Description: Specify V4L2 minor mode number:
- -1 = use next available
- n = use minor number n
- You can specify up to 64 cameras this way.
- For example:
- video_nr=-1,2,-1 would assign minor number 2 to the second
- recognized camera and use auto for the first one and for every
- other camera.
+ -1 = use next available
+ n = use minor number n
+ You can specify up to 64 cameras this way.
+ For example:
+ video_nr=-1,2,-1 would assign minor number 2 to the second
+ recognized camera and use auto for the first one and for every
+ other camera.
Default: -1
-------------------------------------------------------------------------------
Name: force_munmap
Type: bool array (min = 0, max = 64)
Syntax: <0|1[,...]>
Description: Force the application to unmap previously mapped buffer memory
- before calling any VIDIOC_S_CROP or VIDIOC_S_FMT ioctl's. Not
- all the applications support this feature. This parameter is
- specific for each detected camera.
- 0 = do not force memory unmapping
- 1 = force memory unmapping (save memory)
+ before calling any VIDIOC_S_CROP or VIDIOC_S_FMT ioctl's. Not
+ all the applications support this feature. This parameter is
+ specific for each detected camera.
+ 0 = do not force memory unmapping
+ 1 = force memory unmapping (save memory)
Default: 0
-------------------------------------------------------------------------------
Name: frame_timeout
Type: uint array (min = 0, max = 64)
Syntax: <n[,...]>
Description: Timeout for a video frame in seconds. This parameter is
- specific for each detected camera. This parameter can be
- changed at runtime thanks to the /sys filesystem interface.
+ specific for each detected camera. This parameter can be
+ changed at runtime thanks to the /sys filesystem interface.
Default: 2
-------------------------------------------------------------------------------
Name: debug
Type: ushort
Syntax: <n>
Description: Debugging information level, from 0 to 3:
- 0 = none (use carefully)
- 1 = critical errors
- 2 = significant informations
- 3 = more verbose messages
- Level 3 is useful for testing only, when only one device
- is used. It also shows some more informations about the
- hardware being detected. This parameter can be changed at
- runtime thanks to the /sys filesystem interface.
+ 0 = none (use carefully)
+ 1 = critical errors
+ 2 = significant informations
+ 3 = more verbose messages
+ Level 3 is useful for testing only, when only one device
+ is used. It also shows some more informations about the
+ hardware being detected. This parameter can be changed at
+ runtime thanks to the /sys filesystem interface.
Default: 2
-------------------------------------------------------------------------------
@@ -280,24 +280,24 @@ Byte # Value Description
0x04 0xC4 Frame synchronisation pattern.
0x05 0x96 Frame synchronisation pattern.
0x06 0xXX Unknown meaning. The exact value depends on the chip;
- possible values are 0x00, 0x01 and 0x20.
+ possible values are 0x00, 0x01 and 0x20.
0x07 0xXX Variable value, whose bits are ff00uzzc, where ff is a
- frame counter, u is unknown, zz is a size indicator
- (00 = VGA, 01 = SIF, 10 = QSIF) and c stands for
- "compression enabled" (1 = yes, 0 = no).
+ frame counter, u is unknown, zz is a size indicator
+ (00 = VGA, 01 = SIF, 10 = QSIF) and c stands for
+ "compression enabled" (1 = yes, 0 = no).
0x08 0xXX Brightness sum inside Auto-Exposure area (low-byte).
0x09 0xXX Brightness sum inside Auto-Exposure area (high-byte).
- For a pure white image, this number will be equal to 500
- times the area of the specified AE area. For images
- that are not pure white, the value scales down according
- to relative whiteness.
+ For a pure white image, this number will be equal to 500
+ times the area of the specified AE area. For images
+ that are not pure white, the value scales down according
+ to relative whiteness.
0x0A 0xXX Brightness sum outside Auto-Exposure area (low-byte).
0x0B 0xXX Brightness sum outside Auto-Exposure area (high-byte).
- For a pure white image, this number will be equal to 125
- times the area outside of the specified AE area. For
- images that are not pure white, the value scales down
- according to relative whiteness.
- according to relative whiteness.
+ For a pure white image, this number will be equal to 125
+ times the area outside of the specified AE area. For
+ images that are not pure white, the value scales down
+ according to relative whiteness.
+ according to relative whiteness.
The following bytes are used by the SN9C103 bridge only: