From patchwork Sat Jan 7 18:26:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Ravnborg via B4 Relay X-Patchwork-Id: 13092283 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C30FC678DA for ; Sat, 7 Jan 2023 18:27:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232801AbjAGS1F (ORCPT ); Sat, 7 Jan 2023 13:27:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232649AbjAGS01 (ORCPT ); Sat, 7 Jan 2023 13:26:27 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E92D40855; Sat, 7 Jan 2023 10:26:26 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 3C201B8069C; Sat, 7 Jan 2023 18:26:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 9C8F8C433B0; Sat, 7 Jan 2023 18:26:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673115981; bh=iwnNyRt1Uh/vn2VAl963Pb04rJrM5CLPdltH1F0ndxY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=u0EYwiLFKeoi8LdlxSUgU5clp48P68nrijqXpU4h7+Z5CLlDdoNeKp4Mx+akH8xWT AKhCN20VnV4AN9UVPTyftgJhOQNDK8pvOY1XBNk5SLA6lE737TImt53rj9Ons3EczW 3oexI3lb5LkoAqb1aj6i42N4OvFj560LZlbBlzdBG7oF8jkuNXIfwRDnZpOuTqD451 jXbqxJg7XPOhxiZQVfQJ8KiOM9mA8ZkcR0RibQi56Tqan+KqBKvIO2j849SCEGcZPi lB94kSOFN+MT0G13wsnTJ7ewxD9JyBbcOjHrE7uqytPX+UJYhYVDIQ5T1AJL4g3g2+ PO7L9YSEUF9HQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88F6CC54EBD; Sat, 7 Jan 2023 18:26:21 +0000 (UTC) From: Sam Ravnborg via B4 Submission Endpoint Date: Sat, 07 Jan 2023 19:26:22 +0100 Subject: [PATCH 08/15] video: fbdev: omap2: Introduce backlight_get_brightness() MIME-Version: 1.0 Message-Id: <20230107-sam-video-backlight-drop-fb_blank-v1-8-1bd9bafb351f@ravnborg.org> References: <20230107-sam-video-backlight-drop-fb_blank-v1-0-1bd9bafb351f@ravnborg.org> In-Reply-To: <20230107-sam-video-backlight-drop-fb_blank-v1-0-1bd9bafb351f@ravnborg.org> To: Nicolas Ferre , Helge Deller , Alexandre Belloni , Claudiu Beznea , Antonino Daplas , Benjamin Herrenschmidt , Paul Mackerras , Greg Kroah-Hartman , Robin van der Gracht , Miguel Ojeda , Lee Jones , Daniel Thompson , Jingoo Han Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-staging@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, Stephen Kitt , Sam Ravnborg , Allison Randal , Kate Stewart , Thomas Gleixner , Enrico Weigelt , Alexios Zavras X-Mailer: b4 0.11.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1673115978; l=3952; i=sam@ravnborg.org; s=20230107; h=from:subject:message-id; bh=rBdlXn3SJoyXVGp9uzOjpAfLNvN20Ns2vzMuJ6kxYVQ=; =?utf-8?q?b=3DSe0re9Bl1ixb?= =?utf-8?q?eQqgTVCOFbfiMaV8wK5dyWiyyTDaZXRNHbQpUsMhAzYvPdOF7Fw51VxQ1DRCZitU?= +Z1PfROxCt3Qh2feioD4dKYYqFcvi1MHfgqxhL6GFEL5iOWFqHYg X-Developer-Key: i=sam@ravnborg.org; a=ed25519; pk=R0+pqV7BRYOAeOIGkyOrSNke7arx5y3LkEuNi37YEyU= X-Endpoint-Received: by B4 Submission Endpoint for sam@ravnborg.org/20230107 with auth_id=22 X-Original-From: Sam Ravnborg Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: Sam Ravnborg Introduce backlight_get_brightness() to simplify logic and avoid direct access to backlight properties. Signed-off-by: Sam Ravnborg Cc: Allison Randal Cc: Sam Ravnborg Cc: Greg Kroah-Hartman Cc: Kate Stewart Cc: Thomas Gleixner Cc: Enrico Weigelt Cc: Alexios Zavras --- .../fbdev/omap2/omapfb/displays/panel-dsi-cm.c | 19 +----------------- .../omap2/omapfb/displays/panel-sony-acx565akm.c | 23 +++++++--------------- 2 files changed, 8 insertions(+), 34 deletions(-) diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c index a2c7c5cb1523..bd73aa5328c9 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-dsi-cm.c @@ -330,14 +330,8 @@ static int dsicm_bl_update_status(struct backlight_device *dev) { struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev); struct omap_dss_device *in = ddata->in; + int level = backlight_get_brightness(dev); int r; - int level; - - if (dev->props.fb_blank == FB_BLANK_UNBLANK && - dev->props.power == FB_BLANK_UNBLANK) - level = dev->props.brightness; - else - level = 0; dev_dbg(&ddata->pdev->dev, "update brightness to %d\n", level); @@ -360,17 +354,7 @@ static int dsicm_bl_update_status(struct backlight_device *dev) return r; } -static int dsicm_bl_get_intensity(struct backlight_device *dev) -{ - if (dev->props.fb_blank == FB_BLANK_UNBLANK && - dev->props.power == FB_BLANK_UNBLANK) - return dev->props.brightness; - - return 0; -} - static const struct backlight_ops dsicm_bl_ops = { - .get_brightness = dsicm_bl_get_intensity, .update_status = dsicm_bl_update_status, }; @@ -1251,7 +1235,6 @@ static int dsicm_probe(struct platform_device *pdev) ddata->bldev = bldev; - bldev->props.fb_blank = FB_BLANK_UNBLANK; bldev->props.power = FB_BLANK_UNBLANK; bldev->props.brightness = 255; diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c index c0965bee12c5..c9c8f10e2e2f 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c @@ -337,16 +337,10 @@ static int acx565akm_get_actual_brightness(struct panel_drv_data *ddata) static int acx565akm_bl_update_status(struct backlight_device *dev) { struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev); - int level; + int level = backlight_get_brightness(dev); dev_dbg(&ddata->spi->dev, "%s\n", __func__); - if (dev->props.fb_blank == FB_BLANK_UNBLANK && - dev->props.power == FB_BLANK_UNBLANK) - level = dev->props.brightness; - else - level = 0; - if (ddata->has_bc) acx565akm_set_brightness(ddata, level); else @@ -364,15 +358,13 @@ static int acx565akm_bl_get_intensity(struct backlight_device *dev) if (!ddata->has_bc) return -ENODEV; - if (dev->props.fb_blank == FB_BLANK_UNBLANK && - dev->props.power == FB_BLANK_UNBLANK) { - if (ddata->has_bc) - return acx565akm_get_actual_brightness(ddata); - else - return dev->props.brightness; - } + if (backlight_is_blank(dev)) + return 0; - return 0; + if (ddata->has_bc) + return acx565akm_get_actual_brightness(ddata); + else + return backlight_get_brightness(dev); } static int acx565akm_bl_update_status_locked(struct backlight_device *dev) @@ -795,7 +787,6 @@ static int acx565akm_probe(struct spi_device *spi) } memset(&props, 0, sizeof(props)); - props.fb_blank = FB_BLANK_UNBLANK; props.power = FB_BLANK_UNBLANK; props.type = BACKLIGHT_RAW;