[PATCH 1/1] drm/panel: panel-simple: Add dev_err_probe if backlight could not be found

[Sam Ravnborg]

On Tue, Jun 21, 2022 at 09:21:18AM +0200, Alexander Stein wrote:
> If the backlight node is not enabled, this (silently) returns with
> -EPROBE_DEFER. /sys/kernel/debug/devices_deferred also shows nothing
> helpful:
> $ cat /sys/kernel/debug/devices_deferred
> display
> 
> With this patch, there is a helpful hint:
> $ cat /sys/kernel/debug/devices_deferred
> display panel-simple: Could not find backlight
> 
> Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
Thanks, applied to drm-misc (drm-misc-next)

	Sam