On Fri, Jun 26, 2009 at 1:23 PM, Devin Heitmueller<dheitmueller@xxxxxxxxxxxxxx> wrote: > On Fri, Jun 26, 2009 at 1:19 PM, Robert > Krakora<rob.krakora@xxxxxxxxxxxxxxxxxxxxx> wrote: >> I had ran into this before with the KWorld a few months back. >> However, whatever problem existed that forced me to add >> "no_poweroff=1" to modprobe.conf for the em28xx module has went away. >> I have been able to use v4l-ctl or ivtv-tune without any problems to >> tune analog channels over cable. > > Well, bear in mind that if you run v4l-ctl *after* the program is > streaming it should work. However, if you run v4l-ctl and then try to > stream I suspect it will fail. > > If it's working, then perhaps I should take a look at the power > management code in em28xx/xc2028 since I don't know why it would work > (and perhaps the tuner is *not* being powered down like it should be). > > Devin > > -- > Devin J. Heitmueller - Kernel Labs > http://www.kernellabs.com > > Devin: Yes, it is run after mplayer initially tunes it. However, what is the difference between mplayer tuning and v4l-ctl tuning? They are both submitting the same IOCTLs to the driver to accomplish the same end result; or is mplayer probably submitting some additional IOCTLS to "wake" the device? Best Regards, -- Rob Krakora Senior Software Engineer MessageNet Systems 101 East Carmel Dr. Suite 105 Carmel, IN 46032 (317)566-1677 Ext. 206 (317)663-0808 Fax -- 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
