From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Subject: [PATCH 3/4] acpi_video: Document acpi_video_handles_brightness_key_presses() a bit Date: Thu, 14 Jan 2016 09:41:47 +0100 Message-ID: <1452760908-15965-3-git-send-email-hdegoede@redhat.com> References: <1452760908-15965-1-git-send-email-hdegoede@redhat.com> Return-path: Received: from mx1.redhat.com ([209.132.183.28]:56649 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751125AbcANImH (ORCPT ); Thu, 14 Jan 2016 03:42:07 -0500 In-Reply-To: <1452760908-15965-1-git-send-email-hdegoede@redhat.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Darren Hart , Henrique de Moraes Holschuh , "Rafael J. Wysocki" Cc: platform-driver-x86@vger.kernel.org, ibm-acpi-devel@lists.sourceforge.net, Adrien Schildknecht , Zhang Rui , Len Brown , linux-acpi@vger.kernel.org, Hans de Goede Document that acpi_video_handles_brightness_key_presses()'s return value may change over time and should not be cached. Signed-off-by: Hans de Goede --- include/acpi/video.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/acpi/video.h b/include/acpi/video.h index f11d342..5ca2f2c 100644 --- a/include/acpi/video.h +++ b/include/acpi/video.h @@ -32,6 +32,10 @@ extern int acpi_video_get_edid(struct acpi_device *device, int type, int device_id, void **edid); extern enum acpi_backlight_type acpi_video_get_backlight_type(void); extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type); +/* + * Note: The value returned by acpi_video_handles_brightness_key_presses() + * may change over time and should not be cached. + */ extern bool acpi_video_handles_brightness_key_presses(void); #else static inline int acpi_video_register(void) { return 0; } -- 2.5.0