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path: root/drivers/leds/leds-clevo-mail.c
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Diffstat (limited to 'drivers/leds/leds-clevo-mail.c')
-rw-r--r--drivers/leds/leds-clevo-mail.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c
index 1813c84ea5f..a498135a4e8 100644
--- a/drivers/leds/leds-clevo-mail.c
+++ b/drivers/leds/leds-clevo-mail.c
@@ -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;
}
@@ -145,7 +153,7 @@ static struct led_classdev clevo_mail_led = {
.flags = LED_CORE_SUSPENDRESUME,
};
-static int __init clevo_mail_led_probe(struct platform_device *pdev)
+static int __devinit clevo_mail_led_probe(struct platform_device *pdev)
{
return led_classdev_register(&pdev->dev, &clevo_mail_led);
}