diff options
| -rw-r--r-- | Documentation/media/v4l-drivers/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/media/v4l-drivers/philips.rst (renamed from drivers/media/usb/pwc/philips.txt) | 21 |
2 files changed, 16 insertions, 6 deletions
diff --git a/Documentation/media/v4l-drivers/index.rst b/Documentation/media/v4l-drivers/index.rst index a606d1cdac13..90fe22a6414a 100644 --- a/Documentation/media/v4l-drivers/index.rst +++ b/Documentation/media/v4l-drivers/index.rst @@ -45,6 +45,7 @@ For more details see the file COPYING in the source distribution of Linux. meye omap3isp omap4_camera + philips pvrusb2 pxa_camera radiotrack diff --git a/drivers/media/usb/pwc/philips.txt b/Documentation/media/v4l-drivers/philips.rst index d38dd791511e..620bcfea7af0 100644 --- a/drivers/media/usb/pwc/philips.txt +++ b/Documentation/media/v4l-drivers/philips.rst @@ -1,8 +1,12 @@ +Philips webcams (pwc driver) +============================ + This file contains some additional information for the Philips and OEM webcams. E-mail: webcam@smcc.demon.nl Last updated: 2004-01-19 Site: http://www.smcc.demon.nl/webcam/ As of this moment, the following cameras are supported: + * Philips PCA645 * Philips PCA646 * Philips PCVC675 @@ -89,7 +93,8 @@ power_save compression (only useful with the plugin) With this option you can control the compression factor that the camera uses to squeeze the image through the USB bus. You can set the - parameter between 0 and 3: + parameter between 0 and 3:: + 0 = prefer uncompressed images; if the requested mode is not available in an uncompressed format, the driver will silently switch to low compression. @@ -109,11 +114,11 @@ compression (only useful with the plugin) leds This settings takes 2 integers, that define the on/off time for the LED (in milliseconds). One of the interesting things that you can do with - this is let the LED blink while the camera is in use. This: + this is let the LED blink while the camera is in use. This:: leds=500,500 - will blink the LED once every second. But with: + will blink the LED once every second. But with:: leds=0,0 @@ -141,7 +146,7 @@ dev_hint A camera is specified by its type (the number from the camera model, like PCA645, PCVC750VC, etc) and optionally the serial number (visible in /proc/bus/usb/devices). A hint consists of a string with the following - format: + format:: [type[.serialnumber]:]node @@ -150,7 +155,7 @@ dev_hint would be rather pointless). The serialnumber is separated from the type by a '.'; the node number by a ':'. - This somewhat cryptic syntax is best explained by a few examples: + This somewhat cryptic syntax is best explained by a few examples:: dev_hint=3,5 The first detected cam gets assigned /dev/video3, the second /dev/video5. Any @@ -170,6 +175,7 @@ dev_hint through /dev/video6. Some points worth knowing: + - Serialnumbers are case sensitive and must be written full, including leading zeroes (it's treated as a string). - If a device node is already occupied, registration will fail and @@ -189,8 +195,10 @@ trace If you want to trace something, look up the bit value(s) in the table below, add the values together and supply that to the trace variable. + ====== ======= ================================================ ======= Value Value Description Default (dec) (hex) + ====== ======= ================================================ ======= 1 0x1 Module initialization; this will log messages On while loading and unloading the module @@ -208,6 +216,7 @@ trace 64 0x40 Show viewport and image sizes Off 128 0x80 PWCX debugging Off + ====== ======= ================================================ ======= For example, to trace the open() & read() functions, sum 8 + 4 = 12, so you would supply trace=12 during insmod or modprobe. If @@ -216,7 +225,7 @@ trace -Example: +Example:: # modprobe pwc size=cif fps=15 power_save=1 |