From patchwork Tue Oct 22 17:26:51 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 3084041 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 52553BF924 for ; Tue, 22 Oct 2013 17:27:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 479C52022F for ; Tue, 22 Oct 2013 17:27:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9699B20216 for ; Tue, 22 Oct 2013 17:27:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753883Ab3JVR1P (ORCPT ); Tue, 22 Oct 2013 13:27:15 -0400 Received: from mail-lb0-f172.google.com ([209.85.217.172]:64195 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753185Ab3JVR1O (ORCPT ); Tue, 22 Oct 2013 13:27:14 -0400 Received: by mail-lb0-f172.google.com with SMTP id c11so6180818lbj.31 for ; Tue, 22 Oct 2013 10:27:12 -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=r/6iNuUaEXtp31o4agY+AnBmUNkw7QfvvIFPipagQtc=; b=A5RVRewKhRq6etGe0b5Jn+pwB2RXhPPms/Iyn+1IB7yZmJEYW8IWUZpQF0KfziDSru L0Q8I+fPDSdCZ96pHaBwU0GQZZ1BPvnP3Ue5RYdkbtC8QNYhoTUG33ecxXy0jYYA1ZbL 9IerzVmYSVyJGSuVFQq6cM8/Vt6pGUGelw9Ll5HG8R03yJhFyrX5YKQ4UpxZ5pHjUa+L IeQozpMeDcDId08RxHg8a+98M2aGhAEX98qrEZvU6I3VMl7yQA3dBWgPoUizpABnlzdv XMpLyFZiUokrUnyKbZ+oZqM6vO8QonG8DlxXa0bkwD991B7mF/6DCPtd0eXeBsVa1tDq BK+w== X-Received: by 10.112.0.242 with SMTP id 18mr17775033lbh.18.1382462832629; Tue, 22 Oct 2013 10:27:12 -0700 (PDT) Received: from xi.terra (c193-14-141-227.cust.tele2.se. [193.14.141.227]) by mx.google.com with ESMTPSA id vs11sm21865661lac.3.2013.10.22.10.27.11 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 22 Oct 2013 10:27:11 -0700 (PDT) Received: from johan by xi.terra with local (Exim 4.80.1) (envelope-from ) id 1VYfja-0007Ro-2m; Tue, 22 Oct 2013 19:27:10 +0200 From: Johan Hovold To: Richard Purdie , Jingoo Han Cc: Nicolas Ferre , linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH 1/9] backlight: atmel-pwm-bl: fix reported brightness Date: Tue, 22 Oct 2013 19:26:51 +0200 Message-Id: <1382462819-28576-2-git-send-email-jhovold@gmail.com> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1382462819-28576-1-git-send-email-jhovold@gmail.com> References: <1382462819-28576-1-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=-7.2 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..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; } static int atmel_pwm_bl_init_pwm(struct atmel_pwm_bl *pwmbl)