diff options
| author | Oleksij Rempel <linux@rempel-privat.de> | 2015-09-14 11:16:30 +0200 |
|---|---|---|
| committer | Darren Hart <dvhart@linux.intel.com> | 2015-10-03 08:40:44 -0700 |
| commit | 307340493f3d62935db0bd48a9909bb746ffef1e (patch) | |
| tree | 77c2b9d1cc3a64756973788c31eeff76d2d8690e /drivers | |
| parent | 10e6aaabc37171a8b2c0f531696db91f5ac442f9 (diff) | |
| download | linux-307340493f3d62935db0bd48a9909bb746ffef1e.tar.bz2 | |
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')
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 19 |
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) |