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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.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c
index 1813c84ea5fc..f2242db54016 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[] = {
93static void clevo_mail_led_set(struct led_classdev *led_cdev, 93static void clevo_mail_led_set(struct led_classdev *led_cdev,
94 enum led_brightness value) 94 enum led_brightness value)
95{ 95{
96 i8042_lock_chip();
97
96 if (value == LED_OFF) 98 if (value == LED_OFF)
97 i8042_command(NULL, CLEVO_MAIL_LED_OFF); 99 i8042_command(NULL, CLEVO_MAIL_LED_OFF);
98 else if (value <= LED_HALF) 100 else if (value <= LED_HALF)
@@ -100,6 +102,8 @@ static void clevo_mail_led_set(struct led_classdev *led_cdev,
100 else 102 else
101 i8042_command(NULL, CLEVO_MAIL_LED_BLINK_1HZ); 103 i8042_command(NULL, CLEVO_MAIL_LED_BLINK_1HZ);
102 104
105 i8042_unlock_chip();
106
103} 107}
104 108
105static int clevo_mail_led_blink(struct led_classdev *led_cdev, 109static 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,
108{ 112{
109 int status = -EINVAL; 113 int status = -EINVAL;
110 114
115 i8042_lock_chip();
116
111 if (*delay_on == 0 /* ms */ && *delay_off == 0 /* ms */) { 117 if (*delay_on == 0 /* ms */ && *delay_off == 0 /* ms */) {
112 /* Special case: the leds subsystem requested us to 118 /* Special case: the leds subsystem requested us to
113 * chose one user friendly blinking of the LED, and 119 * chose one user friendly blinking of the LED, and
@@ -135,6 +141,8 @@ static int clevo_mail_led_blink(struct led_classdev *led_cdev,
135 *delay_on, *delay_off); 141 *delay_on, *delay_off);
136 } 142 }
137 143
144 i8042_unlock_chip();
145
138 return status; 146 return status;
139} 147}
140 148