Allow te get the current led state in a more accurate way.
Signed-off-by: Corentin Chary <[email protected]>
---
drivers/platform/x86/eeepc-laptop.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/platform/x86/eeepc-laptop.c
b/drivers/platform/x86/eeepc-laptop.c
index b2edfdc..e9fc530 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -529,6 +529,15 @@ static void tpd_led_set(struct led_classdev *led_cdev,
queue_work(eeepc->led_workqueue, &eeepc->tpd_led_work);
}
+static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
+{
+ struct eeepc_laptop *eeepc;
+
+ eeepc = container_of(led_cdev, struct eeepc_laptop, tpd_led);
+
+ return get_acpi(eeepc, CM_ASL_TPD);
+}
+
static int eeepc_led_init(struct eeepc_laptop *eeepc)
{
int rv;
@@ -543,6 +552,8 @@ static int eeepc_led_init(struct eeepc_laptop *eeepc)
eeepc->tpd_led.name = "eeepc::touchpad";
eeepc->tpd_led.brightness_set = tpd_led_set;
+ if (get_acpi(eeepc, CM_ASL_TPD) >= 0) /* if method is available */
+ eeepc->tpd_led.brightness_get = tpd_led_get;
eeepc->tpd_led.max_brightness = 1;
rv = led_classdev_register(&eeepc->platform_device->dev,
--
1.7.3.2
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