David Balazic wrote: > > Forwarding here for better exposure : > > -------- Original Message -------- > Subject: bttv - Radio sound quirks bug > Date: Tue, 27 May 2003 10:07:02 +0200 > From: David Balazic <david.balazic@xxxxxxxxx> > To: kraxel@xxxxxxxxxxx > > Hi ! > > I have a Hauppauge WinTV PCI-FM card ( bt878, msp3415 , stereo, FM radio > ) > > Whenever /dev/radio is opened, I get the following kernel message: > tuner: radio freq (400.00) out of range (65-108) > > If the radio was already playing ( by running /usr/bin/radio, selecting > a channel and exiting with "x" ), then the sound is mouted for a part of > second. Simple test : > > cat /dev/radio > > This happens with driver versions : > bttv: driver version 0.7.104 loaded > bttv: driver version 0.7.96 loaded > bttv: driver version 0.7.91 loaded > > For more details please see : > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=91625 > The cause is in bttv-driver.c : static int radio_open(struct video_device *dev, int flags) { struct bttv *btv = (struct bttv *)(dev-1); unsigned long v; down(&btv->lock); if (btv->user) goto busy_unlock; btv->user++; btv->radio = 1; v = 400*16; // <--- here bttv_call_i2c_clients(btv,VIDIOCSFREQ,&v); // <--- and here bttv_call_i2c_clients(btv,AUDC_SET_RADIO,&btv->tuner_type); bt848_muxsel(btv,0); up(&btv->lock); return 0; busy_unlock: up(&btv->lock); return -EBUSY; } Why are those two lines there ? They try to set the tuner to 400 MHz, but that is illegal for radio and is flaged as such deeper in the code. Does anybody maintain this driver ? -- David Balazic -------------- "Be excellent to each other." - Bill S. Preston, Esq., & "Ted" Theodore Logan - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
