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@xxxxxxxxxx>
---
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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