From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: [PATCH 2/3] ACPI: Update the backlight state when we change brightness Date: Tue, 14 Jul 2009 17:06:03 +0100 Message-ID: <1247587564-27737-2-git-send-email-mjg@redhat.com> References: <1247587564-27737-1-git-send-email-mjg@redhat.com> Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:42231 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754687AbZGNQGP (ORCPT ); Tue, 14 Jul 2009 12:06:15 -0400 In-Reply-To: <1247587564-27737-1-git-send-email-mjg@redhat.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-acpi@vger.kernel.org, rpurdie@rpsys.net, lenb@kernel.org, rui.zhang@intel.com, corentincj@iksaif.net, Matthew Garrett Trigger a status update when we change the brightness in the driver, thus allowing userspace to present appropriate UI. Signed-off-by: Matthew Garrett --- drivers/acpi/video.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 8851315..2c906c7 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1960,6 +1960,10 @@ acpi_video_switch_brightness(struct acpi_video_device *device, int event) result = acpi_video_device_lcd_set_level(device, level_next); + if (!result) + backlight_force_update(device->backlight, + BACKLIGHT_UPDATE_HOTKEY); + out: if (result) printk(KERN_ERR PREFIX "Failed to switch the brightness\n"); -- 1.6.2.5