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List:       ibm-acpi-devel
Subject:    [ibm-acpi-devel] [PATCH 3/4] acpi_video: Document acpi_video_handles_brightness_key_presses() a bit
From:       Hans de Goede <hdegoede () redhat ! com>
Date:       2016-01-14 8:41:47
Message-ID: 1452760908-15965-3-git-send-email-hdegoede () redhat ! com
[Download RAW message or body]

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 <hdegoede@redhat.com>
---
 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


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