[PATCH v2] backlight: propagate errors from get_brightness()

[Lee Jones]

On Tue, 21 Sep 2021, Thomas Weißschuh wrote:

> On 2021-09-07T14:47+0200, Thomas Weißschuh wrote:
> > backlight.h documents "struct backlight_ops->get_brightness()" to return
> > a negative errno on failure.
> > So far these errors have not been handled in the backlight core.
> > This leads to negative values being exposed through sysfs although only
> > positive values are documented to be reported.
> 
> > [..]
> 
> Friendly ping.

Don't do that.  If you think the submission has been forgotten about
(it hasn't), then please submit a [RESEND].  As it happens, this is on
my TOREVEW list.  I just need to get around to it post-vacation.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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