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-rw-r--r--drivers/platform/x86/eeepc-laptop.c42
1 files changed, 25 insertions, 17 deletions
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 5f0eb76..d07a4c0 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -1230,27 +1230,35 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event)
dev_name(&device->dev), event,
count);
+ /* Brightness events are special */
if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) {
- int old_brightness, new_brightness;
- /* Update backlight device. */
- old_brightness = eeepc_backlight_notify(eeepc);
-
- /* Convert brightness event to keypress (obsolescent hack). */
- new_brightness = event - NOTIFY_BRN_MIN;
-
- if (new_brightness < old_brightness) {
- event = NOTIFY_BRN_MIN; /* brightness down */
- } else if (new_brightness > old_brightness) {
- event = NOTIFY_BRN_MAX; /* brightness up */
- } else {
- /*
- * no change in brightness - already at min/max,
- * event will be desired value (or else ignored).
- */
+ /* Ignore them completely if the acpi video driver is used */
+ if (eeepc->backlight_device != NULL) {
+ int old_brightness, new_brightness;
+
+ /* Update the backlight device. */
+ old_brightness = eeepc_backlight_notify(eeepc);
+
+ /* Convert event to keypress (obsolescent hack) */
+ new_brightness = event - NOTIFY_BRN_MIN;
+
+ if (new_brightness < old_brightness) {
+ event = NOTIFY_BRN_MIN; /* brightness down */
+ } else if (new_brightness > old_brightness) {
+ event = NOTIFY_BRN_MAX; /* brightness up */
+ } else {
+ /*
+ * no change in brightness - already at min/max,
+ * event will be desired value (or else ignored)
+ */
+ }
+ eeepc_input_notify(eeepc, event);
}
+ } else {
+ /* Everything else is a bona-fide keypress event */
+ eeepc_input_notify(eeepc, event);
}
- eeepc_input_notify(eeepc, event);
}
static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name)