From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Belloni Subject: Re: [PATCH] ARM: dts: at91: nattis: initialize the BLON pin as output-low early Date: Wed, 21 Nov 2018 12:25:21 +0100 Message-ID: <20181121112521.GL8367@piout.net> References: <20181120212036.22497-1-peda@axentia.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20181120212036.22497-1-peda@axentia.se> Sender: linux-kernel-owner@vger.kernel.org To: Peter Rosin Cc: "linux-kernel@vger.kernel.org" , Nicolas Ferre , Rob Herring , Mark Rutland , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" List-Id: devicetree@vger.kernel.org On 20/11/2018 21:20:43+0000, Peter Rosin wrote: > The pwm-backlight driver initializes BLON (the enable gpio) to > output-high if the gpio is input on probe. Initializing the gpio > to output-low before the driver probes prevents this action by > the pwm-backlight driver and gets rid of a nasty blink of full > backlight with an uninitialized panel. > > Signed-off-by: Peter Rosin > --- > arch/arm/boot/dts/at91-nattis-2-natte-2.dts | 8 ++++++++ > 1 file changed, 8 insertions(+) > Applied, thanks. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com