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-rw-r--r--drivers/platform/x86/thinkpad_acpi.c41
1 files changed, 19 insertions, 22 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index a186c5bbdcd9..a1d2abce3090 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -303,11 +303,17 @@ static u32 dbg_level;
static struct workqueue_struct *tpacpi_wq;
+enum led_status_t {
+ TPACPI_LED_OFF = 0,
+ TPACPI_LED_ON,
+ TPACPI_LED_BLINK,
+};
+
/* Special LED class that can defer work */
struct tpacpi_led_classdev {
struct led_classdev led_classdev;
struct work_struct work;
- enum led_brightness new_brightness;
+ enum led_status_t new_state;
unsigned int led;
};
@@ -4213,7 +4219,7 @@ static void light_set_status_worker(struct work_struct *work)
container_of(work, struct tpacpi_led_classdev, work);
if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING))
- light_set_status((data->new_brightness != LED_OFF));
+ light_set_status((data->new_state != TPACPI_LED_OFF));
}
static void light_sysfs_set(struct led_classdev *led_cdev,
@@ -4223,7 +4229,8 @@ static void light_sysfs_set(struct led_classdev *led_cdev,
container_of(led_cdev,
struct tpacpi_led_classdev,
led_classdev);
- data->new_brightness = brightness;
+ data->new_state = (brightness != LED_OFF) ?
+ TPACPI_LED_ON : TPACPI_LED_OFF;
queue_work(tpacpi_wq, &data->work);
}
@@ -4730,12 +4737,6 @@ enum { /* For TPACPI_LED_OLD */
TPACPI_LED_EC_HLMS = 0x0e, /* EC reg to select led to command */
};
-enum led_status_t {
- TPACPI_LED_OFF = 0,
- TPACPI_LED_ON,
- TPACPI_LED_BLINK,
-};
-
static enum led_access_mode led_supported;
TPACPI_HANDLE(led, ec, "SLED", /* 570 */
@@ -4847,23 +4848,13 @@ static int led_set_status(const unsigned int led,
return rc;
}
-static void led_sysfs_set_status(unsigned int led,
- enum led_brightness brightness)
-{
- led_set_status(led,
- (brightness == LED_OFF) ?
- TPACPI_LED_OFF :
- (tpacpi_led_state_cache[led] == TPACPI_LED_BLINK) ?
- TPACPI_LED_BLINK : TPACPI_LED_ON);
-}
-
static void led_set_status_worker(struct work_struct *work)
{
struct tpacpi_led_classdev *data =
container_of(work, struct tpacpi_led_classdev, work);
if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING))
- led_sysfs_set_status(data->led, data->new_brightness);
+ led_set_status(data->led, data->new_state);
}
static void led_sysfs_set(struct led_classdev *led_cdev,
@@ -4872,7 +4863,13 @@ static void led_sysfs_set(struct led_classdev *led_cdev,
struct tpacpi_led_classdev *data = container_of(led_cdev,
struct tpacpi_led_classdev, led_classdev);
- data->new_brightness = brightness;
+ if (brightness == LED_OFF)
+ data->new_state = TPACPI_LED_OFF;
+ else if (tpacpi_led_state_cache[data->led] != TPACPI_LED_BLINK)
+ data->new_state = TPACPI_LED_ON;
+ else
+ data->new_state = TPACPI_LED_BLINK;
+
queue_work(tpacpi_wq, &data->work);
}
@@ -4890,7 +4887,7 @@ static int led_sysfs_blink_set(struct led_classdev *led_cdev,
} else if ((*delay_on != 500) || (*delay_off != 500))
return -EINVAL;
- data->new_brightness = TPACPI_LED_BLINK;
+ data->new_state = TPACPI_LED_BLINK;
queue_work(tpacpi_wq, &data->work);
return 0;