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-rw-r--r--drivers/hid/wacom.h1
-rw-r--r--drivers/hid/wacom_sys.c6
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/hid/wacom.h b/drivers/hid/wacom.h
index dd67b7d..a678f82 100644
--- a/drivers/hid/wacom.h
+++ b/drivers/hid/wacom.h
@@ -118,6 +118,7 @@ struct wacom {
u8 hlv; /* status led brightness button pressed (1..127) */
u8 img_lum; /* OLED matrix display brightness */
} led;
+ bool led_initialized;
struct power_supply battery;
};
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 06e304b..f1c6d3d 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -729,12 +729,18 @@ static int wacom_initialize_leds(struct wacom *wacom)
return error;
}
wacom_led_control(wacom);
+ wacom->led_initialized = true;
return 0;
}
static void wacom_destroy_leds(struct wacom *wacom)
{
+ if (!wacom->led_initialized)
+ return;
+
+ wacom->led_initialized = false;
+
switch (wacom->wacom_wac.features.type) {
case INTUOS4S:
case INTUOS4:
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