Hi Hans, Thank you for your reply. I will try to do the fix in qastrocam-g2 myself as this program does not currently have a maintainer. Regards, On Sat, Jun 9, 2012 at 9:08 PM, Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > Hi, > > > On 06/09/2012 07:06 PM, Bernard GODARD wrote: >> >> Dear all, >> >> I am using a Philips Toucam Pro 2 webcam with the program qastrocam-g2 >> (astronomy program that use some specific functions of the PWC >> driver). >> I have been using this program with this camera for a long time on >> different Linux distributions without a problem. >> >> With Ubuntu 12.04, I now get a kernel oops. See bug report: >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1010028 >> >> I have installed mainline kernel 3.4rc6 on my Ubuntu box to check if >> the oops was fixed upstream. Now I am not getting the oops anymore > > > Good! > > >> but the IOCTL used to get/set the camera parameters are failing: >> >> >> >> astro@saturn:~$ qastrocam-g2 >> <init> : Avifile RELEASE-0.7.48-120122-05:53-../src/configure >> <init> : Available CPU flags: fpu vme de pse tsc msr pae mce cx8 apic >> sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall >> nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow rep_good nopl extd_apicid >> pni cx16 la >> <init> : 2200.00 MHz AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ >> detected >> Getting Standard: Inappropriate ioctl for device >> setWhiteBalance: Inappropriate ioctl for device >> getWhiteBalance: Inappropriate ioctl for device >> getWhiteBalance: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> ioctl (VIDIOCGWIN): Inappropriate ioctl for device >> mmap: Invalid argument >> VIDIOCPWCGDYNNOISE: Inappropriate ioctl for device >> VIDIOCPWCGCONTOUR: Inappropriate ioctl for device >> VIDIOCPWCSCONTOUR: Inappropriate ioctl for device >> VIDIOCPWCGDYNNOISE: Inappropriate ioctl for device >> VIDIOCPWCGCONTOUR: Inappropriate ioctl for device >> VIDIOCPWCGDYNNOISE: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCSAGC: Inappropriate ioctl for device >> getWhiteBalance: Inappropriate ioctl for device >> VIDIOCPWCSAGC: Inappropriate ioctl for device >> VIDIOCPWCSSHUTTER: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> getWhiteBalance: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device >> VIDIOCPWCGAGC: Inappropriate ioctl for device > > > As the names of the ioctls imply these are (were) custom pwc > ioctls, these were added in the v4l1 days as the v4l1 api did not > have a way to expose the desired functionality in a standard manner. > > Support for the v4l1 API has been removed a number of kernel releases > ago and at the same time the pwc specific ioctls have been marked > as deprecated. And with kernel 3.2 they have finally been removed. > > The same results can be achieved with the standard v4l2 > VIDIOC_S_CTRL and VIDIOC_G_CTRL ioctls. I'm sorry to hear that the > removal of the custom pwc ioctls is causing problems for you, but > we really don't want to have any unneeded driver specific ioctls > with v4l2 devices. > > So the qastrocam-g2 program needs to be modified to use the standard > controls interface to modify these settings on newer kernels. > > Can you please send a bug report to qastrocam-g2 about this and add > me in the CC ? > > Thanks, > > Hans -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
