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authorLuca Risolia <luca.risolia@studio.unibo.it>2006-02-25 06:57:49 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-20 14:50:00 -0800
commita847423905c6a8ccd6671d05f5877d893d10cd9f (patch)
treeca7a67a3f37889bf7c612d246fa5173dfbef320a /Documentation/usb
parentccad7789d5e557644d1c866b018394872af0ec5b (diff)
[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')
-rw-r--r--Documentation/usb/zc0301.txt29
1 files changed, 19 insertions, 10 deletions
diff --git a/Documentation/usb/zc0301.txt b/Documentation/usb/zc0301.txt
index 0889ae6ac7d..095838420e8 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>.