Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755116Ab3JaR6Z (ORCPT ); Thu, 31 Oct 2013 13:58:25 -0400 Received: from mail-la0-f49.google.com ([209.85.215.49]:59250 "EHLO mail-la0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752204Ab3JaR6T (ORCPT ); Thu, 31 Oct 2013 13:58:19 -0400 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 v3 1/9] backlight: atmel-pwm-bl: fix reported brightness Date: Thu, 31 Oct 2013 18:57:36 +0100 Message-Id: <1383242264-7652-2-git-send-email-jhovold@gmail.com> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1383242264-7652-1-git-send-email-jhovold@gmail.com> References: <1383064064-4983-1-git-send-email-jhovold@gmail.com> <1383242264-7652-1-git-send-email-jhovold@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1358 Lines: 39 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) -- 1.8.4.2 -- 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/