aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/usb
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/usb')
-rw-r--r--Documentation/usb/zc0301.txt19
1 files changed, 7 insertions, 12 deletions
diff --git a/Documentation/usb/zc0301.txt b/Documentation/usb/zc0301.txt
index 10590bf625e4..0889ae6ac7d8 100644
--- a/Documentation/usb/zc0301.txt
+++ b/Documentation/usb/zc0301.txt
@@ -67,8 +67,7 @@ Some of the features of the driver are:
67- available mmap or read/poll methods for video streaming through isochronous 67- available mmap or read/poll methods for video streaming through isochronous
68 data transfers; 68 data transfers;
69- automatic detection of image sensor; 69- automatic detection of image sensor;
70- video formats is standard JPEG in various compression qualities 70- video format is standard JPEG;
71 (see also "Notes for V4L2 application developers" paragraph);
72- full support for the capabilities of every possible image sensors that can 71- full support for the capabilities of every possible image sensors that can
73 be connected to the ZC0301 bridges, including, for istance, red, green, 72 be connected to the ZC0301 bridges, including, for istance, red, green,
74 blue and global gain adjustments and exposure control (see "Supported 73 blue and global gain adjustments and exposure control (see "Supported
@@ -226,10 +225,6 @@ The same number of buffers as before will be allocated again to match the size
226of the new video frames, so you have to map the buffers again before any I/O 225of the new video frames, so you have to map the buffers again before any I/O
227attempts on them. 226attempts on them.
228 227
229This driver supports the standard JPEG video format. The current compression
230quality may vary from 0 to 3 and can be selected or queried thanks to the
231VIDIOC_S_JPEGCOMP and VIDIOC_G_JPEGCOMP V4L2 ioctl's.
232
233 228
23410. Contact information 22910. Contact information
235======================= 230=======================
@@ -242,9 +237,9 @@ the fingerprint is: '88E8 F32F 7244 68BA 3958 5D40 99DA 5D2A FCE6 35A4'.
242 237
24311. Credits 23811. Credits
244=========== 239===========
245- Informations about the chip internals to enable the I2C protocol have been 240- Informations about the chip internals needed to enable the I2C protocol have
246 taken from the documentation of the ZC030x Video4Linux1 driver written by 241 been taken from the documentation of the ZC030x Video4Linux1 driver written
247 Andrew Birkett <andy@nobugs.org>; 242 by Andrew Birkett <andy@nobugs.org>;
248- Initialization values of the ZC0301 connected to the PAS202BCB image sensor 243- Initialization values of the ZC0301 controller connected to the PAS202BCB
249 have been taken from the SPCA5XX driver maintained by 244 image sensor have been taken from the SPCA5XX driver maintained by
250 Michel Xhaard <mxhaard@magic.fr> 245 Michel Xhaard <mxhaard@magic.fr>.