[pwc] PWC module fps parameter

["Richard van der Riet" <>]

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Subject:        PWC module fps parameter
From:           
Date:           Tue, December 11, 2012 21:41
To:     
Priority:       Normal
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Hi all,

I recently updated my OpenSuSE 12.1 to 12.2. In the previous version I
loaded the pwc module with the fps=5 parameter. In 12.2 this results in an
error message:

FATAL: Error inserting pwc
(/lib/modules/3.4.11-2.16-desktop/kernel/drivers/media/video/pwc/pwc.ko):
Unknown symbol in module, or unknown parameter (see dmesg)

>From dmesg:
[21293.343632] pwc: Unknown parameter `fps'


Modinfo shows me:
modinfo pwc
filename:
/lib/modules/3.4.11-2.16-desktop/kernel/drivers/media/video/pwc/pwc.ko
version:        10.0.15
alias:          pwcx
license:        GPL
author:         Luc Saillard <>
description:    Philips & OEM USB webcam driver
srcversion:     4F3C468E3CCB1FADE27757E
alias:          usb:v0D81p1900d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0D81p1910d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v06BEp8116d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v04CCp8116d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v041Ep4011d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v041Ep400Cd*dc*dsc*dp*ic*isc*ip*
alias:          usb:v055Dp9002d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v055Dp9001d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v055Dp9000d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B8d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B7d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B6d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B5d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B4d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B3d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B2d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B1d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v046Dp08B0d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v069Ap0001d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0329d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0313d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0312d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0311d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0310d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p030Cd*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0308d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0307d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0304d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0303d*dc*dsc*dp*ic*isc*ip*
alias:          usb:v0471p0302d*dc*dsc*dp*ic*isc*ip*
depends:        videodev,videobuf2-core,videobuf2-vmalloc
intree:         Y
vermagic:       3.4.11-2.16-desktop SMP preempt mod_unload modversions
parm:           power_save:Turn power saving for new cameras on or off (int)
parm:           leds:LED on,off time in milliseconds (array of int)

So indeed parm fps seems 'missing' as well as size and only power_save and
leds are implemented.

Anyone seen this and perhaps has an idea if this is a compile issue and if
I can get these parameters back by rebuilding the kernel modules?

The cameras in use are Philips SPC900's. OpenSuSE 12.2 64 bit as the OS.

Richard



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