diff options
| -rw-r--r-- | drivers/misc/asus-laptop.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c index 979daa6755a7..bd963c6365c8 100644 --- a/drivers/misc/asus-laptop.c +++ b/drivers/misc/asus-laptop.c @@ -104,6 +104,9 @@ ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED"); ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED"); /* W1JC */ ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED"); /* A7J */ +/* LEDD */ +ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM"); + /* Bluetooth and WLAN * WLED and BLED are not handled like other XLED, because in some dsdt * they also control the WLAN/Bluetooth device. @@ -151,6 +154,7 @@ struct asus_hotk { struct acpi_device *device; //the device we are in acpi_handle handle; //the handle of the hotk device char status; //status of the hotk, for LEDs, ... + u32 ledd_status; //status of the LED display u16 event_count[128]; //count for each event TODO make this better }; @@ -479,6 +483,30 @@ static ssize_t store_status(const char *buf, size_t count, } /* + * LEDD display + */ +static ssize_t show_ledd(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "0x%08x\n", hotk->ledd_status); +} + +static ssize_t store_ledd(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + int rv, value; + + rv = parse_arg(buf, count, &value); + if (rv > 0) { + if (!write_acpi_int(ledd_set_handle, NULL, value, NULL)) + printk(ASUS_WARNING "LED display write failed\n"); + else + hotk->ledd_status = (u32) value; + } + return rv; +} + +/* * WLAN */ static ssize_t show_wlan(struct device *dev, @@ -607,12 +635,14 @@ static ASUS_CREATE_DEVICE_ATTR(infos); static ASUS_CREATE_DEVICE_ATTR(wlan); static ASUS_CREATE_DEVICE_ATTR(bluetooth); static ASUS_CREATE_DEVICE_ATTR(display); +static ASUS_CREATE_DEVICE_ATTR(ledd); static struct attribute *asuspf_attributes[] = { &dev_attr_infos.attr, &dev_attr_wlan.attr, &dev_attr_bluetooth.attr, &dev_attr_display.attr, + &dev_attr_ledd.attr, NULL }; @@ -646,6 +676,9 @@ static void asus_hotk_add_fs(void) else if(display_set_handle) ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp); + if (ledd_set_handle) + ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd); + } static int asus_handle_init(char *name, acpi_handle *handle, @@ -741,6 +774,8 @@ static int asus_hotk_get_info(void) ASUS_HANDLE_INIT(rled_set); ASUS_HANDLE_INIT(pled_set); + ASUS_HANDLE_INIT(ledd_set); + /* * The HWRS method return informations about the hardware. * 0x80 bit is for WLAN, 0x100 for Bluetooth. @@ -836,6 +871,9 @@ static int asus_hotk_add(struct acpi_device *device) /* LCD Backlight is on by default */ write_status(NULL, 1, LCD_ON, 0); + /* LED display is off by default */ + hotk->ledd_status = 0xFFF; + end: if (result) { kfree(hotk->name); |