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-rw-r--r--drivers/platform/x86/hp-wmi.c87
1 files changed, 55 insertions, 32 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 50d9019de2b..46a7a6e8ed9 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -47,7 +47,7 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
#define HPWMI_DISPLAY_QUERY 0x1
#define HPWMI_HDDTEMP_QUERY 0x2
#define HPWMI_ALS_QUERY 0x3
-#define HPWMI_DOCK_QUERY 0x4
+#define HPWMI_HARDWARE_QUERY 0x4
#define HPWMI_WIRELESS_QUERY 0x5
#define HPWMI_HOTKEY_QUERY 0xc
@@ -75,10 +75,9 @@ struct key_entry {
u16 keycode;
};
-enum { KE_KEY, KE_SW, KE_END };
+enum { KE_KEY, KE_END };
static struct key_entry hp_wmi_keymap[] = {
- {KE_SW, 0x01, SW_DOCK},
{KE_KEY, 0x02, KEY_BRIGHTNESSUP},
{KE_KEY, 0x03, KEY_BRIGHTNESSDOWN},
{KE_KEY, 0x20e6, KEY_PROG1},
@@ -151,7 +150,22 @@ static int hp_wmi_als_state(void)
static int hp_wmi_dock_state(void)
{
- return hp_wmi_perform_query(HPWMI_DOCK_QUERY, 0, 0);
+ int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, 0);
+
+ if (ret < 0)
+ return ret;
+
+ return ret & 0x1;
+}
+
+static int hp_wmi_tablet_state(void)
+{
+ int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, 0);
+
+ if (ret < 0)
+ return ret;
+
+ return (ret & 0x4) ? 1 : 0;
}
static int hp_wmi_wifi_set(void *data, enum rfkill_state state)
@@ -244,6 +258,15 @@ static ssize_t show_dock(struct device *dev, struct device_attribute *attr,
return sprintf(buf, "%d\n", value);
}
+static ssize_t show_tablet(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int value = hp_wmi_tablet_state();
+ if (value < 0)
+ return -EINVAL;
+ return sprintf(buf, "%d\n", value);
+}
+
static ssize_t set_als(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -256,6 +279,7 @@ static DEVICE_ATTR(display, S_IRUGO, show_display, NULL);
static DEVICE_ATTR(hddtemp, S_IRUGO, show_hddtemp, NULL);
static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als);
static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL);
+static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL);
static struct key_entry *hp_wmi_get_entry_by_scancode(int code)
{
@@ -338,13 +362,13 @@ static void hp_wmi_notify(u32 value, void *context)
key->keycode, 0);
input_sync(hp_wmi_input_dev);
break;
- case KE_SW:
- input_report_switch(hp_wmi_input_dev,
- key->keycode,
- hp_wmi_dock_state());
- input_sync(hp_wmi_input_dev);
- break;
}
+ } else if (eventcode == 0x1) {
+ input_report_switch(hp_wmi_input_dev, SW_DOCK,
+ hp_wmi_dock_state());
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+ hp_wmi_tablet_state());
+ input_sync(hp_wmi_input_dev);
} else if (eventcode == 0x5) {
if (wifi_rfkill)
rfkill_force_state(wifi_rfkill,
@@ -381,18 +405,19 @@ static int __init hp_wmi_input_setup(void)
set_bit(EV_KEY, hp_wmi_input_dev->evbit);
set_bit(key->keycode, hp_wmi_input_dev->keybit);
break;
- case KE_SW:
- set_bit(EV_SW, hp_wmi_input_dev->evbit);
- set_bit(key->keycode, hp_wmi_input_dev->swbit);
-
- /* Set initial dock state */
- input_report_switch(hp_wmi_input_dev, key->keycode,
- hp_wmi_dock_state());
- input_sync(hp_wmi_input_dev);
- break;
}
}
+ set_bit(EV_SW, hp_wmi_input_dev->evbit);
+ set_bit(SW_DOCK, hp_wmi_input_dev->swbit);
+ set_bit(SW_TABLET_MODE, hp_wmi_input_dev->swbit);
+
+ /* Set initial hardware state */
+ input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state());
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+ hp_wmi_tablet_state());
+ input_sync(hp_wmi_input_dev);
+
err = input_register_device(hp_wmi_input_dev);
if (err) {
@@ -409,6 +434,7 @@ static void cleanup_sysfs(struct platform_device *device)
device_remove_file(&device->dev, &dev_attr_hddtemp);
device_remove_file(&device->dev, &dev_attr_als);
device_remove_file(&device->dev, &dev_attr_dock);
+ device_remove_file(&device->dev, &dev_attr_tablet);
}
static int __init hp_wmi_bios_setup(struct platform_device *device)
@@ -428,6 +454,9 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
err = device_create_file(&device->dev, &dev_attr_dock);
if (err)
goto add_sysfs_error;
+ err = device_create_file(&device->dev, &dev_attr_tablet);
+ if (err)
+ goto add_sysfs_error;
if (wireless & 0x1) {
wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
@@ -491,23 +520,17 @@ static int __exit hp_wmi_bios_remove(struct platform_device *device)
static int hp_wmi_resume_handler(struct platform_device *device)
{
- struct key_entry *key;
-
/*
- * Docking state may have changed while suspended, so trigger
- * an input event for the current state. As this is a switch,
+ * Hardware state may have changed while suspended, so trigger
+ * input events for the current state. As this is a switch,
* the input layer will only actually pass it on if the state
* changed.
*/
- for (key = hp_wmi_keymap; key->type != KE_END; key++) {
- switch (key->type) {
- case KE_SW:
- input_report_switch(hp_wmi_input_dev, key->keycode,
- hp_wmi_dock_state());
- input_sync(hp_wmi_input_dev);
- break;
- }
- }
+
+ input_report_switch(hp_wmi_input_dev, SW_DOCK, hp_wmi_dock_state());
+ input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+ hp_wmi_tablet_state());
+ input_sync(hp_wmi_input_dev);
return 0;
}