Hi Georg, On Tue, Sep 16, 2014 at 6:23 PM, Georg Chini <georg at chini.tk> wrote: > On 16.09.2014 16:21, Luiz Augusto von Dentz wrote: >> >> Hi Tanu, >> >> On Tue, Sep 16, 2014 at 4:30 PM, Tanu Kaskinen >> <tanu.kaskinen at linux.intel.com> wrote: >>> >>> On Mon, 2014-09-15 at 14:05 +0200, Georg Chini wrote: >>>> >>>> Hi, >>>> >>>>> The idea for the native HSP backend is to have a simple implementation >>>>> without any extra dependencies. It's hard to make ofono work on >>>>> desktop machines and you don't need a full-blown phone stack to play >>>>> sound through the headset in many cases. >>>>> >>>> Does the new ofono backend support a headset? The original patches from >>>> Jo?o Paulo Rechi Vita do not. >>> >>> I also remember Jo?o saying that the patches would only cover the >>> HFP/Handsfree Unit role (which wouldn't be useful for headsets), but I'm >>> not sure that's correct... The code creates profiles that claim to cover >>> both HSP and HFP, and all roles of those (there are four profile+role >>> combinations in total). There may be limitations in oFono that prevent >>> some roles for working. I guess oFono only supports HFP, but it's >>> unclear whether it supports the role relevant for using headsets. >> >> In terms of interface both roles should be covered by the backend, so >> headsets should work as long as oFono has a modem registered. HSP is >> not supported by oFono, but this has little to no effect on supporting >> headsets since it only prevent HSP only headsets which is quite rare >> nowadays. >> >> In the other hand for HSP alone we should be covered by using native >> backend, this actually works very similar on Android where tablet >> without modem do only have HSP and phones have only HFP. >> >> > My headset (a 590Plantronics) supports HSP and A2DP Sink. With Jo?os patches > both profiles turn up in pavucontrol, but I cannot switch to the HSP > profile. > I think this is because ofono does not support HSP. > I did not try the native backend, but it would be sad if HSP is only > supported > by the native backend while HFP only works with the ofono backend. Is there > a > way to combine both? With Bluez4 I was able to connect a phone and the > headset > in HSP mode at the same time (with two adapters). Im quite sure your device does HFP as well as HSP, you can check that with sdptool browse <address>, so my guess is that you don't have a modem in your system. Anyway if you want similar behavior as BlueZ 4 in a desktop you should probably use the native backend. -- Luiz Augusto von Dentz
