From mboxrd@z Thu Jan 1 00:00:00 1970 From: YH Huang Date: Fri, 16 Oct 2015 08:50:37 +0000 Subject: Re: [RESEND PATCH] pwm-backlight: fix the panel power sequence Message-Id: <1444985437.18373.3.camel@mtksdaap41> List-Id: References: <1444959454-1516-1-git-send-email-yh.huang@mediatek.com> <20151016083616.GA7858@pengutronix.de> In-Reply-To: <20151016083616.GA7858@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org On Fri, 2015-10-16 at 10:36 +0200, Sascha Hauer wrote: > On Fri, Oct 16, 2015 at 09:37:34AM +0800, YH Huang wrote: > > In order to match the panel power sequence, disable the enable_gpio > > in the probe function. Also, reorder the code in the power_on and > > power_off function to match the timing. > > @@ -241,8 +242,7 @@ static int pwm_backlight_probe(struct platform_device *pdev) > > pb->dev = &pdev->dev; > > pb->enabled = false; > > > > - pb->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable", > > - GPIOD_OUT_HIGH); > > + pb->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable"); > > Please actually test your patches. This change here won't compile. > > Sascha > I will send patch v2 to fix it. YH Huang