* Peter Ujfalusi <peter.ujfalusi@xxxxxx> [200221 13:21]: > Hi Tony, > > On 20/02/2020 22.15, Tony Lindgren wrote: > > * Peter Ujfalusi <peter.ujfalusi@xxxxxx> [200220 14:16]: > >> On 18/02/2020 23.16, Sebastian Reichel wrote: > >>> I suppose in the end its a question if generic card can provide TDM > >>> support. > >> > >> Sure it can, but can it handle the switching between the paths based on > >> use cases? > >> There should be machine level DAPM widgets to kick codec2codec (MDM6600 > >> - CPAC_voice for example) and also to make sure that when you switch > >> between them the system is not going to get misconfigured. > >> Switching between CPAC and BT route during call? > >> Not allowing VoIP while on call, etc. > > > > Well I guess the key thing to check here is if it's enough to > > keep track of things in the cpcap codec driver. If cpcap is always > > involved, that should be sufficient. > > The codec driver should keep track on what it can do, but should not > start policing the outside world. > The machine driver knows the connections and should tell the components > on what to do. OK that makes senes to me. So I guess now the question is if we can maintain this state in snd-soc-audio-graph-card instead of needing a custom machine driver. Regards, Tony
