Hi,
On Fri, Jul 07, 2017 at 10:27:53PM -0700, Tony Lindgren wrote:
- Sebastian Reichel sebastian.reichel@collabora.co.uk [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