nrf5340_audio" in "v2.8.0" supports "GAIN control" in "SPI+GPIO mode".

[KF_Kozaki]

Please confirm whether the "sample app nrf5340_audio" in "v2.8.0" supports "GAIN control" in "SPI+GPIO mode".
the method to enable "GAIN control" in "SPI+GPIO mode" if the sample app "nrf5340_audio" in v2.8.0 supports it.


https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/app_dev/device_guides/fem/fem_nrf21540_gpio_spi.html
I tried to enable GAIN control in GPIO+SPI mode according to the method described in [reference/link], but I failed.

[Amanda Hsieh]

(Correct the answer)

Hi, 

You can enable enable GAIN control and GPIO+SPI mode in the nrf/applications/nrf5340_audio/sysbuild/ipc_radio/prj.conf

The team confirmed that AudioDK cannot support nRF21540-EK in "SPI+GPIO mode" because the SPI on AudioDK is for codec and Netcore cannot use it. Therefore, netcore would get the crash. Please use the GPIO mode for nRF21540-EK. 

Regards,
Amanda H.