28 Aug
2019
28 Aug
'19
3:20 p.m.
On Wed, Aug 28, 2019 at 11:01:21AM +0000, Shuming [范書銘] wrote:
ADCDAT pin config sets to output mode in default. And the driver creates the kcontrol to control ADCDAT pin configuration.
Why would this change at runtime? I'd expect this to be controlled by the machine driver or a DT property.
It will not change at runtime in the normal case. I think we may use it to test the feedback signal in factory mode.
So really this is setting up a loopback for testing?