linux-kernel - [PATCH 33/33] backlight: simplify lcd notifier

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Message-Id: <20190528090304.9388-34-daniel.vetter@ffwll.ch>
Date:   Tue, 28 May 2019 11:03:04 +0200
From:   Daniel Vetter <daniel.vetter@...ll.ch>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     DRI Development <dri-devel@...ts.freedesktop.org>,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        linux-fbdev@...r.kernel.org,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Lee Jones <lee.jones@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>
Subject: [PATCH 33/33] backlight: simplify lcd notifier

With all the work I've done on replacing fb notifier calls with direct
calls into fbcon the backlight/lcd notifier is the only user left.

It will only receive events now that it cares about, hence we can
remove this check.

Signed-off-by: Daniel Vetter <daniel.vetter@...el.com>
Reviewed-by: Sam Ravnborg <sam@...nborg.org>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
Cc: Lee Jones <lee.jones@...aro.org>
Cc: Daniel Thompson <daniel.thompson@...aro.org>
Cc: Jingoo Han <jingoohan1@...il.com>
---
 drivers/video/backlight/lcd.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index ecdda06989d0..d6b653aa4ee9 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -30,17 +30,6 @@ static int fb_notifier_callback(struct notifier_block *self,
 	struct lcd_device *ld;
 	struct fb_event *evdata = data;
 
-	/* If we aren't interested in this event, skip it immediately ... */
-	switch (event) {
-	case FB_EVENT_BLANK:
-	case FB_EVENT_MODE_CHANGE:
-	case FB_EARLY_EVENT_BLANK:
-	case FB_R_EARLY_EVENT_BLANK:
-		break;
-	default:
-		return 0;
-	}
-
 	ld = container_of(self, struct lcd_device, fb_notif);
 	if (!ld->ops)
 		return 0;
-- 
2.20.1