From patchwork Tue Oct 29 16:27:36 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 3109541 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 2C42C9F2B7 for ; Tue, 29 Oct 2013 16:30:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1A5622035D for ; Tue, 29 Oct 2013 16:30:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F1184200D5 for ; Tue, 29 Oct 2013 16:30:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758279Ab3J2QaB (ORCPT ); Tue, 29 Oct 2013 12:30:01 -0400 Received: from mail-la0-f51.google.com ([209.85.215.51]:34334 "EHLO mail-la0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758214Ab3J2Q2N (ORCPT ); Tue, 29 Oct 2013 12:28:13 -0400 Received: by mail-la0-f51.google.com with SMTP id ea20so71750lab.38 for ; Tue, 29 Oct 2013 09:28:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=ebswIap9MvhDS6Ym7HFcSwNw8Cp2TtrI2QBJyNNfMjM=; b=wEWKVNc4brUFWyPjmtgjLLS8bTEUUQTWuA5CAWZDlAmtwSj3Me35buIH73j/6LPa5D jzaK2nB4g/xADoPa5JWfCIFEv7JMxIdhvlGIVmlmtiEc2KAQ9/jVdC7Qv11gSt2djLIr tCIcKvzBdYw20fiv72qbZoR/DwBTdxd5iWrydLB9JvNL9DNxr7+1v3qR06Uf2GDYWDYN u/NOw9gJFWBud+Ndg5YB4aBGoIV0/pOIsI9aqfVG2SPjkeTbKaii3s3OiO+j4YeZeDSR j1FQETNxjdkJqZ4p3fYfqIuShRWQYdHOXG3w2Yy94ApOjqcNGN6iKmlncPWi6LpDcICw StkQ== X-Received: by 10.152.27.164 with SMTP id u4mr213430lag.82.1383064091948; Tue, 29 Oct 2013 09:28:11 -0700 (PDT) Received: from xi.terra (c193-14-141-227.cust.tele2.se. [193.14.141.227]) by mx.google.com with ESMTPSA id kx1sm26758484lac.7.2013.10.29.09.28.09 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 29 Oct 2013 09:28:10 -0700 (PDT) Received: from johan by xi.terra with local (Exim 4.80.1) (envelope-from ) id 1VbC9G-0001JP-NA; Tue, 29 Oct 2013 17:28:06 +0100 From: Johan Hovold To: Richard Purdie , Jingoo Han Cc: Nicolas Ferre , Tomi Valkeinen , Jean-Christophe Plagniol-Villard , Andrew Morton , linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH v2 1/9] backlight: atmel-pwm-bl: fix reported brightness Date: Tue, 29 Oct 2013 17:27:36 +0100 Message-Id: <1383064064-4983-2-git-send-email-jhovold@gmail.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1383064064-4983-1-git-send-email-jhovold@gmail.com> References: <1382522143-32072-1-git-send-email-jhovold@gmail.com> <1383064064-4983-1-git-send-email-jhovold@gmail.com> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The driver supports 16-bit brightness values, but the value returned from get_brightness was truncated to eight bits. Cc: stable@vger.kernel.org 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..0971a8e 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 intensity & 0xffff; } static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl)