On Thu, 2009-11-05 at 14:18 +0100, ext Hans Verkuil wrote: > On Friday 23 October 2009 09:45:53 m7aalton wrote: > > Hi. > > > > I have written a driver for the TI WL1273 FM Radio but it's not yet > > quite ready for up-streaming because of its interface. Now I've started > > to change the interface to v4l2 and I'm following Eduardo Valentin's > > Si4713 TX driver as an example. However, WL1273 radio has RX and TX so > > there are things that Eduardo's driver doesn't cover. For example: the > > driver needs a mode switch for switching between TX and RX. Should that > > be implemented as an extended control or should there be a new IOCTL > > added to the v4l2 API? etc... > > So if I understand this correctly, then this device can only transmit or > receive, but not both at the same time? Yes, it cannot receive and transmit at the same time. > If that's the case, then I wonder if it isn't enough to let it depend on > whether VIDIOC_S_AUDOUT or VIDIOC_S_AUDIO was called last. OK. That sounds fine. > > Also I've added some things to the ivtv-radio tool. Should I try to > > "up-stream" those as well? > > Perhaps we should take the opportunity to merge this tool as v4l2-radio > into the v4l2-apps/util directory of the master v4l-dvb repository. > > It would be really nice if it can be used to test the transmitter > features and RDS receiver as well, i.e. extending and improving this tool. I have some code for testing rds reception, I'll include that or at least a part of it to v4l2-radio... > I like having such fairly low-level and easy to debug utilities. They are > a great tool to verify the proper functioning of hardware like this. > > Regards, > > Hans Thanks for comments, Matti -- 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
