On Sun, 28 Nov 2021 12:55:58 +0100, Vitaly Rodionov wrote: > > From: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx> > > For cs8409, it is required to run Jack Detect on resume. > Jack Detect on cs8409+cs42l42 requires an interrupt from > cs42l42 to be sent to cs8409 which is propogated to the driver > via an unsolicited event. > However, the hda_codec drops unsolicited events if the power_state > is not set to PMSG_ON. Which is set at the end of the resume call. > This means there is a race condition between setting power_state > to PMSG_ON and receiving the interrupt. > To solve this, we can add an API to set the power_state earlier > and call that before we start Jack Detect. > This does not cause issues, since we know inside our driver that > we are already initialized, and ready to handle the unsolicited > events. > > Signed-off-by: Stefan Binding <sbinding@xxxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Vitaly Rodionov <vitalyr@xxxxxxxxxxxxxxxxxxxxx> Applied now with a minor coding style fix (and addition of Cc-to-stable). thanks, Takashi
