Em Sat, 20 Jun 2009 15:26:25 +0200 Hans de Goede <hdegoede@xxxxxxxxxx> escreveu: > > > On 06/20/2009 12:51 PM, Mauro Carvalho Chehab wrote: > > Em Wed, 17 Jun 2009 23:54:40 +0200 > > Hans de Goede<hdegoede@xxxxxxxxxx> escreveu: > > > >> Support for the st6422 bridge + sensor ! > >> Give it a try, I know now you have a cam which uses this bridge :) > >> When you try it be sure to use the latest (just updated my > >> libv4l tree) libv4l, this enables (software) automatic control of > >> the gain and exposure, for a decent image in most lighting > >> conditions. > > > > Didn't work :( See the logs bellow. > > > > <snip> > > > > > $ dmesg > > STV06xx: Probing for a stv06xx device > > gspca: probing 046d:08f6 > > usbcore: registered new interface driver STV06xx > > STV06xx: registered > > gspca: usb_submit_urb [0] err -28 > > gspca: no transfer endpoint found > > > > err -28 is ENOSPC which is given by usb_submit_urb, when the > required bandwidth for the isoc transfer is not available. > > With most cams we then automatically fall back to an altsetting > which requires less bandwidth, but the st6422 has only one > hence the: "gspca: no transfer endpoint found" error. > > There are 3 possible causes for this: > 1) You are using the device through an usb 2.0 hub, this should work > but does not work due to a bug in the usb subsystem of the kernel, > which I have reported but most likely won't be fixed OK. On a direct port: [mchehab@pedra ~]$ mplayer /dev/video0 MPlayer dev-SVN-r27514-4.1.2 (C) 2000-2008 MPlayer Team CPU: Intel(R) Xeon(R) CPU E5420 @ 2.50GHz (Family: 6, Model: 23, Stepping: 6) CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1 Compiled with runtime CPU detection. Playing /dev/video0. libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small libv4l2: error converting / decoding frame data: v4l-convert: error destination buffer too small Exiting... (End of file) Cheers, Mauro -- 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
