Re: [PATCH 4/4] leds: lm3532: Introduce the lm3532 LED driver
From: Dan Murphy
Date: Mon Mar 25 2019 - 08:36:16 EST
On 3/22/19 5:16 PM, Tony Lindgren wrote:
> * Dan Murphy <dmurphy@xxxxxx> [190321 14:29]:
>> Introduce the Texas Instruments LM3532 White LED driver.
>> The driver supports ALS configurability or manual brightness
>> The driver also supports associating LED strings with specific
>> control banks in a group or as individually controlled strings.
> Thanks for getting this driver done. I need help a bit using
> this though.. What's the glue to the drm driver?
> I can control the backlight brightness just fine via /sys, and
> backlight shows up as the trigger in /sys/class/leds/lm3532:backlight,
> but /sys/class/backlight is empty and looks like drm can't find it.
> Do I need to enable some additional driver(s) to get this to work
> with the drm driver?
Can you dump or point to the defconfig?