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Commit 30734049 authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Darren Hart
Browse files

asus-wmi: restore kbd led level after resume 



Afters suspend/resume cycle with closed lid the kbd backlight level
is lost. This patch will will restore this value to last known level.

Signed-off-by: default avatarOleksij Rempel <linux@rempel-privat.de>
Signed-off-by: default avatarDarren Hart <dvhart@linux.intel.com>
parent 10e6aaab

drivers/platform/x86/asus-wmi.c

+17 −2
Original line number Diff line number Diff line
@@ -582,7 +582,7 @@ static void asus_wmi_led_exit(struct asus_wmi *asus) 


static int asus_wmi_led_init(struct asus_wmi *asus)

{

	int rv = 0;

	int rv = 0, led_val;



	asus->led_workqueue = create_singlethread_workqueue("led_workqueue");

	if (!asus->led_workqueue)
@@ -602,9 +602,11 @@ static int asus_wmi_led_init(struct asus_wmi *asus) 
			goto error;

	}



	if (kbd_led_read(asus, NULL, NULL) >= 0) {

	led_val = kbd_led_read(asus, NULL, NULL);

	if (led_val >= 0) {

		INIT_WORK(&asus->kbd_led_work, kbd_led_update);



		asus->kbd_led_wk = led_val;

		asus->kbd_led.name = "asus::kbd_backlight";

		asus->kbd_led.brightness_set = kbd_led_set;

		asus->kbd_led.brightness_get = kbd_led_get;
@@ -2160,6 +2162,16 @@ static int asus_hotk_thaw(struct device *device) 
	return 0;

}



static int asus_hotk_resume(struct device *device)

{

	struct asus_wmi *asus = dev_get_drvdata(device);



	if (!IS_ERR_OR_NULL(asus->kbd_led.dev))

		queue_work(asus->led_workqueue, &asus->kbd_led_work);



	return 0;

}



static int asus_hotk_restore(struct device *device)

{

	struct asus_wmi *asus = dev_get_drvdata(device);
@@ -2190,6 +2202,8 @@ static int asus_hotk_restore(struct device *device) 
		bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);

		rfkill_set_sw_state(asus->uwb.rfkill, bl);

	}

	if (!IS_ERR_OR_NULL(asus->kbd_led.dev))

		queue_work(asus->led_workqueue, &asus->kbd_led_work);



	return 0;

}
@@ -2197,6 +2211,7 @@ static int asus_hotk_restore(struct device *device) 
static const struct dev_pm_ops asus_pm_ops = {

	.thaw = asus_hotk_thaw,

	.restore = asus_hotk_restore,

	.resume = asus_hotk_resume,

};



static int asus_wmi_probe(struct platform_device *pdev)