linux-kernel - [PATCH 3/3] eeepc-laptop: Update the backlight state when we change brightness

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Message-Id: <1247517685-7719-3-git-send-email-mjg@redhat.com>
Date:	Mon, 13 Jul 2009 21:41:25 +0100
From:	Matthew Garrett <mjg@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	linux-acpi@...r.kernel.org, rpurdie@...ys.net, lenb@...nel.org,
	rui.zhang@...el.com, corentincj@...aif.net,
	Matthew Garrett <mjg@...hat.com>
Subject: [PATCH 3/3] eeepc-laptop: Update the backlight state when we change brightness

Trigger a status update when the user hits a brightness key, allowing
userspace to present appropriate UI.

Signed-off-by: Matthew Garrett <mjg@...hat.com>
---
 drivers/platform/x86/eeepc-laptop.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index ec560f1..832db81 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -641,7 +641,7 @@ static int notify_brn(void)
 	struct backlight_device *bd = eeepc_backlight_device;
 	if (bd) {
 		int old = bd->props.brightness;
-		bd->props.brightness = read_brightness(bd);
+		backlight_force_update(bd);
 		return old;
 	}
 	return -1;
-- 
1.6.2.5

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