Hello,

On Sat, Jan 09, 2021 at 07:02:17PM +0100, Jonathan Neuschäfer wrote:
> The Netronix EC provides a PWM output which is used for the backlight
> on some ebook readers. This patches adds a driver for the PWM output.
> 
> The .get_state callback is not implemented, because the PWM state can't
> be read back from the hardware.

There is only very little I would have done differently (only indention
which is too minor to make a fuss), so:

Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
 
Thanks for your work
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |