From abfa57e15acaa6e1ec567c250e5212bc55d79e43 Mon Sep 17 00:00:00 2001 From: Corentin Chary Date: Fri, 28 Aug 2009 12:56:47 +0000 Subject: [PATCH] asus-laptop: Add *_led_get() functions Add support for getting led brightness directly from the hardware. Currently we don't need it, but it is needed to support keyboard backlight/led. Signed-off-by: Corentin Chary Signed-off-by: Len Brown --- drivers/platform/x86/asus-laptop.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 23449508d86b..88cc9a1045b4 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -246,12 +246,15 @@ static struct workqueue_struct *led_workqueue; #define ASUS_LED(object, ledname) \ static void object##_led_set(struct led_classdev *led_cdev, \ enum led_brightness value); \ + static enum led_brightness object##_led_get( \ + struct led_classdev *led_cdev); \ static void object##_led_update(struct work_struct *ignored); \ static int object##_led_wk; \ static DECLARE_WORK(object##_led_work, object##_led_update); \ static struct led_classdev object##_led = { \ .name = "asus::" ledname, \ .brightness_set = object##_led_set, \ + .brightness_get = object##_led_get, \ } ASUS_LED(mled, "mail"); @@ -399,6 +402,11 @@ static void write_status(acpi_handle handle, int out, int mask) { \ int value = object##_led_wk; \ write_status(object##_set_handle, value, (mask)); \ + } \ + static enum led_brightness object##_led_get( \ + struct led_classdev *led_cdev) \ + { \ + return led_cdev->brightness; \ } ASUS_LED_HANDLER(mled, MLED_ON); -- 2.34.1