Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds
[linux-2.6.git] / drivers / leds / leds-clevo-mail.c
index 8ee83ceb4a7d41739a0171798d32fe950a87c63f..a498135a4e80c78e8ba4fe63ba485476f3a11f46 100644 (file)
@@ -93,6 +93,8 @@ static struct dmi_system_id __initdata mail_led_whitelist[] = {
 static void clevo_mail_led_set(struct led_classdev *led_cdev,
                                enum led_brightness value)
 {
+       i8042_lock_chip();
+
        if (value == LED_OFF)
                i8042_command(NULL, CLEVO_MAIL_LED_OFF);
        else if (value <= LED_HALF)
@@ -100,6 +102,8 @@ static void clevo_mail_led_set(struct led_classdev *led_cdev,
        else
                i8042_command(NULL, CLEVO_MAIL_LED_BLINK_1HZ);
 
+       i8042_unlock_chip();
+
 }
 
 static int clevo_mail_led_blink(struct led_classdev *led_cdev,
@@ -108,6 +112,8 @@ static int clevo_mail_led_blink(struct led_classdev *led_cdev,
 {
        int status = -EINVAL;
 
+       i8042_lock_chip();
+
        if (*delay_on == 0 /* ms */ && *delay_off == 0 /* ms */) {
                /* Special case: the leds subsystem requested us to
                 * chose one user friendly blinking of the LED, and
@@ -135,6 +141,8 @@ static int clevo_mail_led_blink(struct led_classdev *led_cdev,
                       *delay_on, *delay_off);
        }
 
+       i8042_unlock_chip();
+
        return status;
 }