msi-laptop: Add threeg sysfs file for support query 3G state by standard 66/62 ec command
Add threeg sysfs file for support query 3G state by standard 66/62 ec
command, the MSI standard ec interface supported this feature.
Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Cc: Lennart Poettering <mzxreary@0pointer.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 323e994..1784d55 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -70,6 +70,7 @@
#define MSI_STANDARD_EC_BLUETOOTH_MASK (1 << 0)
#define MSI_STANDARD_EC_WEBCAM_MASK (1 << 1)
#define MSI_STANDARD_EC_WLAN_MASK (1 << 3)
+#define MSI_STANDARD_EC_3G_MASK (1 << 4)
static int force;
module_param(force, bool, 0);
@@ -80,7 +81,7 @@
MODULE_PARM_DESC(auto_brightness, "Enable automatic brightness control (0: disabled; 1: enabled; 2: don't touch)");
static bool old_ec_model;
-static int wlan_s, bluetooth_s;
+static int wlan_s, bluetooth_s, threeg_s;
/* Hardware access */
@@ -169,6 +170,8 @@
bluetooth_s = !!(rdata & MSI_STANDARD_EC_BLUETOOTH_MASK);
+ threeg_s = !!(rdata & MSI_STANDARD_EC_3G_MASK);
+
return 0;
}
@@ -230,6 +233,23 @@
return sprintf(buf, "%i\n", enabled);
}
+static ssize_t show_threeg(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+
+ int ret;
+
+ /* old msi ec not support 3G */
+ if (old_ec_model)
+ return -1;
+
+ ret = get_wireless_state_ec_standard();
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%i\n", threeg_s);
+}
+
static ssize_t show_lcd_level(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -292,6 +312,7 @@
static DEVICE_ATTR(auto_brightness, 0644, show_auto_brightness, store_auto_brightness);
static DEVICE_ATTR(bluetooth, 0444, show_bluetooth, NULL);
static DEVICE_ATTR(wlan, 0444, show_wlan, NULL);
+static DEVICE_ATTR(threeg, 0444, show_threeg, NULL);
static struct attribute *msipf_attributes[] = {
&dev_attr_lcd_level.attr,
@@ -412,6 +433,12 @@
if (ret)
goto fail_platform_device2;
+ if (!old_ec_model) {
+ ret = device_create_file(&msipf_device->dev, &dev_attr_threeg);
+ if (ret)
+ goto fail_platform_device2;
+ }
+
/* Disable automatic brightness control by default because
* this module was probably loaded to do brightness control in
* software. */
@@ -446,6 +473,8 @@
{
sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);
+ if (!old_ec_model)
+ device_remove_file(&msipf_device->dev, &dev_attr_threeg);
platform_device_unregister(msipf_device);
platform_driver_unregister(&msipf_driver);
backlight_device_unregister(msibl_device);