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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>
This commit is contained in:
Lee, Chun-Yi 2010-01-09 23:17:07 +08:00 committed by Greg Kroah-Hartman
parent 46d0e9e091
commit fc0dc4c926
1 changed files with 30 additions and 1 deletions
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31
drivers/platform/x86/msi-laptop.c
View File

@ -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_param(auto_brightness, int, 0);
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 @@ static int get_wireless_state_ec_standard(void)
bluetooth_s = !!(rdata & MSI_STANDARD_EC_BLUETOOTH_MASK);
threeg_s = !!(rdata & MSI_STANDARD_EC_3G_MASK);
return 0;
}
@ -230,6 +233,23 @@ static ssize_t show_bluetooth(struct device *dev,
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(lcd_level, 0644, show_lcd_level, store_lcd_level);
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 @@ static int __init msi_init(void)
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 @@ static void __exit msi_cleanup(void)
{
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);