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eeepc-laptop: add a getter for touchpad led

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Allow te get the current led state in a more accurate way.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Corentin Chary 2010-11-29 08:14:13 +01:00 committed by Matthew Garrett
parent dfed65d56f
commit 62a75d8313
1 changed files with 11 additions and 0 deletions
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11
drivers/platform/x86/eeepc-laptop.c
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@ -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,