On Wednesday 9 January 2013 13:24:25 Mauro Carvalho Chehab wrote: <snip> > Yes, it makes sense to document that the signal strength should be reported > on either dBm or dBµW, if the scale is FE_SCALE_DECIBEL. I prefer to specify > it in terms of Watt (or a submultiple) than in terms of voltage/impedance, as > different Countries use different impedances on DTV cabling (typically, > 50Ω or 75Ω). > > So, either dBm or dBµW works for me. As you said, applications can convert > between those mesures as they wish, by simply adding some constant when > displaying the power measure. > > As the wifi subsytem use dBm, I vote for using dBm for the signal measure > at the subsystem (actually, 0.1 dBm). > 0.1 dBm suits me. I just want something that I can present to the end user in a format that will match their aerial installer's kit. -- Simon Farnsworth Software Engineer ONELAN Ltd http://www.onelan.com -- 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