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| author | Luca Risolia <luca.risolia@studio.unibo.it> | 2006-02-25 06:57:49 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-20 14:50:00 -0800 |
| commit | a847423905c6a8ccd6671d05f5877d893d10cd9f (patch) | |
| tree | ca7a67a3f37889bf7c612d246fa5173dfbef320a /Documentation/usb/zc0301.txt | |
| parent | ccad7789d5e557644d1c866b018394872af0ec5b (diff) | |
| download | lwn-a847423905c6a8ccd6671d05f5877d893d10cd9f.tar.gz lwn-a847423905c6a8ccd6671d05f5877d893d10cd9f.zip | |
[PATCH] USB: ZC0301 driver updates
ZC0301 driver updates.
Changes: + new, - removed, * cleanup, @ bugfix
@ Need usb_get|put_dev() when disconnecting, if the device is open
* Cleanups and updates in the documentation
+ Use per-device sensor structures
+ Add frame_timeout module parameter
Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Documentation/usb/zc0301.txt')
| -rw-r--r-- | Documentation/usb/zc0301.txt | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/Documentation/usb/zc0301.txt b/Documentation/usb/zc0301.txt index 0889ae6ac7d8..095838420e82 100644 --- a/Documentation/usb/zc0301.txt +++ b/Documentation/usb/zc0301.txt @@ -68,11 +68,6 @@ Some of the features of the driver are: data transfers; - automatic detection of image sensor; - video format is standard JPEG; -- full support for the capabilities of every possible image sensors that can - be connected to the ZC0301 bridges, including, for istance, red, green, - blue and global gain adjustments and exposure control (see "Supported - devices" paragraph for details); -- use of default color settings for sunlight conditions; - dynamic driver control thanks to various module parameters (see "Module parameters" paragraph); - up to 64 cameras can be handled at the same time; they can be connected and @@ -171,6 +166,14 @@ Description: Force the application to unmap previously mapped buffer memory 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. +Default: 2 +------------------------------------------------------------------------------- Name: debug Type: ushort Syntax: <n> @@ -198,17 +201,23 @@ devices mounting the ZC0301 Image Processor and Control Chips: Vendor ID Product ID --------- ---------- +0x10fd 0x8050 +0x041e 0x0417 +0x041e 0x041e +0x041e 0x081c +0x041e 0x0834 +0x041e 0x0835 0x046d 0x08ae +0x0ac8 0x0301 -The following image sensors are supported: +The list above does not imply that all those devices work with this driver: up +until now only the ones that mount the following image sensors are supported; +kernel messages will always tell you whether this is the case: Model Manufacturer ----- ------------ PAS202BCB PixArt Imaging, Inc. -All the available control settings of each image sensor are supported through -the V4L2 interface. - 9. Notes for V4L2 application developers ======================================== @@ -240,6 +249,6 @@ the fingerprint is: '88E8 F32F 7244 68BA 3958 5D40 99DA 5D2A FCE6 35A4'. - Informations about the chip internals needed to enable the I2C protocol have been taken from the documentation of the ZC030x Video4Linux1 driver written by Andrew Birkett <andy@nobugs.org>; -- Initialization values of the ZC0301 controller connected to the PAS202BCB +- The initialization values of the ZC0301 controller connected to the PAS202BCB image sensor have been taken from the SPCA5XX driver maintained by Michel Xhaard <mxhaard@magic.fr>. |