Factor out the WLAN LED and lightbar LED presence checks into a
helper function, which will also be used by the upcoming CPU fan device
support.
Signed-off-by: Daniel Drake <drake@xxxxxxxxxxxx>
---
drivers/platform/x86/asus-wmi.c | 31 +++++++++++--------------------
1 file changed, 11 insertions(+), 20 deletions(-)
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 0a1410ea2250..6925b2102f94 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -372,6 +372,14 @@ static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
ASUS_WMI_DSTS_STATUS_BIT);
}
+static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
+{
+ u32 retval;
+ int status = asus_wmi_get_devstate(asus, dev_id, &retval);
+
+ return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
+}
+
/* LEDs ***********************************************************************/
/*
@@ -517,15 +525,6 @@ static int wlan_led_unknown_state(struct asus_wmi *asus)
return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
}
-static int wlan_led_presence(struct asus_wmi *asus)
-{
- u32 result;
-
- asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
-
- return result & ASUS_WMI_DSTS_PRESENCE_BIT;
-}
-
static void wlan_led_update(struct work_struct *work)
{
int ctrl_param;
@@ -592,15 +591,6 @@ static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
return result & ASUS_WMI_DSTS_LIGHTBAR_MASK;
}
-static int lightbar_led_presence(struct asus_wmi *asus)
-{
- u32 result;
-
- asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_LIGHTBAR, &result);
-
- return result & ASUS_WMI_DSTS_PRESENCE_BIT;
-}
-
static void asus_wmi_led_exit(struct asus_wmi *asus)
{
if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
@@ -651,7 +641,8 @@ static int asus_wmi_led_init(struct asus_wmi *asus)
goto error;
}
- if (wlan_led_presence(asus) && (asus->driver->quirks->wapf > 0)) {
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_WIRELESS_LED)
+ && (asus->driver->quirks->wapf > 0)) {
INIT_WORK(&asus->wlan_led_work, wlan_led_update);
asus->wlan_led.name = "asus::wlan";
@@ -668,7 +659,7 @@ static int asus_wmi_led_init(struct asus_wmi *asus)
goto error;
}
- if (lightbar_led_presence(asus)) {
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_LIGHTBAR)) {
INIT_WORK(&asus->lightbar_led_work, lightbar_led_update);
asus->lightbar_led.name = "asus::lightbar";
--
2.20.1
