Hi, On Fri, Jul 07, 2017 at 10:27:53PM -0700, Tony Lindgren wrote: > * Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx> [170707 09:43]: > > I got working sound on Droid 4 with mainline \o/. The codec is > > currently missing support for detecting if something has been > > plugged into the 3.5mm connector, since that seems to require > > some closed source firmware and needs further investigation. I > > think this can be added later. > > Hey that's great! I'll give it a try this weekend.. Does that mean > that 3G voice calls work too now or is something more needed there? I added some text about that in the 3rd patch. Basically the codec driver is ready (maybe a few quirks will be needed, though), but the soundcard driver is not. It currently assumes CPU <-> Voice Codec, but actually its a network of CPU, Voice Codec, Modem(s?) and Bluetooth. > For the CPCAP PMIC macro interrupts I think it's best to set up > a separate driver as it seems separate from the core CPCAP > functionality. So I think we can just move the unused "cpcap-m2" > IRQ banks out of motorola-cpcap.c and put them into a separate child > driver that loads it's firmware on init and provides interrupts for > the 3.5mm connector. I also think the macro block fw handling should not be handled in the driver for the audio codec. IIRC it is also used to provide a blink feature for the status LEDs. OTOH some of the registers of the audio-codec are also used for 3.5mm detection. I also did not yet look into the details of this one. -- Sebastian
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