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path: root/drivers/platform/x86/asus-wmi.c
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Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
-rw-r--r--drivers/platform/x86/asus-wmi.c44
1 files changed, 37 insertions, 7 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 77aadde5281c..2eb9fe8e8efd 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -47,6 +47,9 @@
#include <linux/thermal.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
+#ifdef CONFIG_ACPI_VIDEO
+#include <acpi/video.h>
+#endif
#include "asus-wmi.h"
@@ -98,6 +101,7 @@ MODULE_LICENSE("GPL");
#define ASUS_WMI_DEVID_WIRELESS_LED 0x00010002
#define ASUS_WMI_DEVID_CWAP 0x00010003
#define ASUS_WMI_DEVID_WLAN 0x00010011
+#define ASUS_WMI_DEVID_WLAN_LED 0x00010012
#define ASUS_WMI_DEVID_BLUETOOTH 0x00010013
#define ASUS_WMI_DEVID_GPS 0x00010015
#define ASUS_WMI_DEVID_WIMAX 0x00010017
@@ -136,6 +140,9 @@ MODULE_LICENSE("GPL");
/* Power */
#define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012
+/* Deep S3 / Resume on LID open */
+#define ASUS_WMI_DEVID_LID_RESUME 0x00120031
+
/* DSTS masks */
#define ASUS_WMI_DSTS_STATUS_BIT 0x00000001
#define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002
@@ -725,8 +732,21 @@ static int asus_rfkill_set(void *data, bool blocked)
{
struct asus_rfkill *priv = data;
u32 ctrl_param = !blocked;
+ u32 dev_id = priv->dev_id;
- return asus_wmi_set_devstate(priv->dev_id, ctrl_param, NULL);
+ /*
+ * If the user bit is set, BIOS can't set and record the wlan status,
+ * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
+ * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN).
+ * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
+ * while setting the wlan status through WMI.
+ * This is also the behavior that windows app will do.
+ */
+ if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
+ priv->asus->driver->wlan_ctrl_by_user)
+ dev_id = ASUS_WMI_DEVID_WLAN_LED;
+
+ return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
}
static void asus_rfkill_query(struct rfkill *rfkill, void *data)
@@ -1365,6 +1385,7 @@ static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
+ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
static ssize_t store_cpufv(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
@@ -1390,6 +1411,7 @@ static struct attribute *platform_attributes[] = {
&dev_attr_camera.attr,
&dev_attr_cardr.attr,
&dev_attr_touchpad.attr,
+ &dev_attr_lid_resume.attr,
NULL
};
@@ -1408,6 +1430,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj,
devid = ASUS_WMI_DEVID_CARDREADER;
else if (attr == &dev_attr_touchpad.attr)
devid = ASUS_WMI_DEVID_TOUCHPAD;
+ else if (attr == &dev_attr_lid_resume.attr)
+ devid = ASUS_WMI_DEVID_LID_RESUME;
if (devid != -1)
ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
@@ -1467,14 +1491,9 @@ static int asus_wmi_platform_init(struct asus_wmi *asus)
*/
if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL))
asus->dsts_id = ASUS_WMI_METHODID_DSTS;
- else if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2, 0, 0, NULL))
+ else
asus->dsts_id = ASUS_WMI_METHODID_DSTS2;
- if (!asus->dsts_id) {
- pr_err("Can't find DSTS");
- return -ENODEV;
- }
-
/* CWAP allow to define the behavior of the Fn+F2 key,
* this method doesn't seems to be present on Eee PCs */
if (asus->driver->quirks->wapf >= 0)
@@ -1648,6 +1667,7 @@ static int asus_wmi_add(struct platform_device *pdev)
struct asus_wmi *asus;
acpi_status status;
int err;
+ u32 result;
asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
if (!asus)
@@ -1681,7 +1701,13 @@ static int asus_wmi_add(struct platform_device *pdev)
if (err)
goto fail_rfkill;
+ if (asus->driver->quirks->wmi_backlight_power)
+ acpi_video_dmi_promote_vendor();
if (!acpi_video_backlight_support()) {
+#ifdef CONFIG_ACPI_VIDEO
+ pr_info("Disabling ACPI video driver\n");
+ acpi_video_unregister();
+#endif
err = asus_wmi_backlight_init(asus);
if (err && err != -ENODEV)
goto fail_backlight;
@@ -1700,6 +1726,10 @@ static int asus_wmi_add(struct platform_device *pdev)
if (err)
goto fail_debugfs;
+ asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
+ if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
+ asus->driver->wlan_ctrl_by_user = 1;
+
return 0;
fail_debugfs: