Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752915Ab3JYLPi (ORCPT ); Fri, 25 Oct 2013 07:15:38 -0400 Received: from 8.mo4.mail-out.ovh.net ([188.165.33.112]:38590 "EHLO mo4.mail-out.ovh.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752609Ab3JYLPf (ORCPT ); Fri, 25 Oct 2013 07:15:35 -0400 Date: Fri, 25 Oct 2013 13:08:36 +0200 From: Jean-Christophe PLAGNIOL-VILLARD To: Johan Hovold Cc: Richard Purdie , Jingoo Han , Nicolas Ferre , Tomi Valkeinen , Andrew Morton , linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 1/9] backlight: atmel-pwm-bl: fix reported brightness Message-ID: <20131025110836.GQ18477@ns203013.ovh.net> References: <1382522143-32072-1-git-send-email-jhovold@gmail.com> <1382522143-32072-2-git-send-email-jhovold@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1382522143-32072-2-git-send-email-jhovold@gmail.com> X-PGP-Key: http://uboot.jcrosoft.org/plagnioj.asc X-PGP-key-fingerprint: 6309 2BBA 16C8 3A07 1772 CC24 DEFC FFA3 279C CE7C User-Agent: Mutt/1.5.21 (2010-09-15) X-Ovh-Tracer-Id: 5818650719182564174 X-Ovh-Remote: 91.121.171.124 (ns203013.ovh.net) X-Ovh-Local: 213.186.33.20 (ns0.ovh.net) X-OVH-SPAMSTATE: OK X-OVH-SPAMSCORE: -100 X-OVH-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeeiledrgeduucetufdoteggodetrfcurfhrohhfihhlvgemucfqggfjnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd X-Spam-Check: DONE|U 0.5/N X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrfeeiledrgeduucetufdoteggodetrfcurfhrohhfihhlvgemucfqggfjnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1527 Lines: 42 On 11:55 Wed 23 Oct , Johan Hovold wrote: > The driver supports 16-bit brightness values, but the value returned > from get_brightness was truncated to eight bits. > > Cc: stable@vger.kernel.org > Acked-by: Jingoo Han > Signed-off-by: Johan Hovold > --- > drivers/video/backlight/atmel-pwm-bl.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c > index 66885fb..8aac273 100644 > --- a/drivers/video/backlight/atmel-pwm-bl.c > +++ b/drivers/video/backlight/atmel-pwm-bl.c > @@ -70,7 +70,7 @@ static int atmel_pwm_bl_set_intensity(struct backlight_device *bd) > static int atmel_pwm_bl_get_intensity(struct backlight_device *bd) > { > struct atmel_pwm_bl *pwmbl = bl_get_data(bd); > - u8 intensity; > + u32 intensity; > > if (pwmbl->pdata->pwm_active_low) { > intensity = pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY) - > @@ -80,7 +80,7 @@ static int atmel_pwm_bl_get_intensity(struct backlight_device *bd) > pwm_channel_readl(&pwmbl->pwmc, PWM_CDTY); > } > > - return intensity; > + return (u16)intensity; no cast mask it > } > > static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl) > -- > 1.8.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/