Em Tue, 22 Sep 2009 01:37:51 +0300 "Aleksandr V. Piskunov" <aleksandr.v.piskunov@xxxxxxxxx> escreveu: > Is xc2028 tuner able to autodetect/handle different sound carrier standards > without being spoon-fed precise input system information using module param > or ioctl? > > Got an ivtv board here (AverTV MCE 116) with xc2028 and cx25843. > > When I specify a generic standard using 'v4l2-ctl -s pal', xc2028 loads > firmware specific to PAL-BG, so if there is an PAL-DK or PAL-I signal on RF > input... nice picture but no sound. Setting a more precise standard like > 'v4l2-ctl -s pal-dk' fixes the issue, but other PAL-BG or PAL-I channels > loose sound. > > Bttv board with a tin-can tuner sitting on the same RF source autodetects > PAL-BG, PAL-DK and PAL-I without any manual intervention. > > So any voodoo tricks to get the autodetection running? No, sorry. It requires specific and different firmwares based on your video standard. I suspect that it is due to some firmware limiting size, since newer products from Xceive, like xc5000 don't have such troubles, but this is just my guess. 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
