summaryrefslogtreecommitdiff
path: root/drivers/platform
diff options
context:
space:
mode:
authorOleksij Rempel <linux@rempel-privat.de>2015-09-14 12:16:30 +0300
committerDarren Hart <dvhart@linux.intel.com>2015-10-03 18:40:44 +0300
commit307340493f3d62935db0bd48a9909bb746ffef1e (patch)
tree77c2b9d1cc3a64756973788c31eeff76d2d8690e /drivers/platform
parent10e6aaabc37171a8b2c0f531696db91f5ac442f9 (diff)
downloadlinux-307340493f3d62935db0bd48a9909bb746ffef1e.tar.xz
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: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/asus-wmi.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index efbc3f0c592b..1f7d80ff8cb4 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -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)