Re: [PATCH] backlight: ktd253: Bring up in a known state

2021-02-09 Thread Lee Jones
On Tue, 26 Jan 2021, Linus Walleij wrote: > The KTD253 backlight might already be on when the driver > is probed: then we don't really know what the current > ratio is and all light intensity settings will be off > relative to what it was at boot. > > To fix this, bring up the backlight OFF then

Re: [PATCH] backlight: ktd253: Bring up in a known state

2021-02-09 Thread Linus Walleij
On Fri, Feb 5, 2021 at 6:27 PM Daniel Thompson wrote: > On Tue, Jan 26, 2021 at 10:32:00PM +0100, Linus Walleij wrote: > > The KTD253 backlight might already be on when the driver > > is probed: then we don't really know what the current > > ratio is and all light intensity settings will be off >

Re: [PATCH] backlight: ktd253: Bring up in a known state

2021-02-05 Thread Daniel Thompson
On Tue, Jan 26, 2021 at 10:32:00PM +0100, Linus Walleij wrote: > The KTD253 backlight might already be on when the driver > is probed: then we don't really know what the current > ratio is and all light intensity settings will be off > relative to what it was at boot. > > To fix this, bring up the

[PATCH] backlight: ktd253: Bring up in a known state

2021-01-26 Thread Linus Walleij
The KTD253 backlight might already be on when the driver is probed: then we don't really know what the current ratio is and all light intensity settings will be off relative to what it was at boot. To fix this, bring up the backlight OFF then move it to the default backlight from there so we know