diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 2b9d7b8636e368c6281f63ab71a6a4ea9866b7a5..62ef43ef06d258bcec4c528852662ab2a8b31b56 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -158,46 +158,9 @@ MODULE_PARM_DESC(wwan_status, "Set the wireless status on boot "
#define METHOD_BRIGHTNESS_SET "SPLV"
#define METHOD_BRIGHTNESS_GET "GPLV"
-/* Backlight */
-static acpi_handle lcd_switch_handle;
-static char *lcd_switch_paths[] = {
- "\\_SB.PCI0.SBRG.EC0._Q10", /* All new models */
- "\\_SB.PCI0.ISA.EC0._Q10", /* A1x */
- "\\_SB.PCI0.PX40.ECD0._Q10", /* L3C */
- "\\_SB.PCI0.PX40.EC0.Q10", /* M1A */
- "\\_SB.PCI0.LPCB.EC0._Q10", /* P30 */
- "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */
- "\\_SB.PCI0.PX40.Q10", /* S1x */
- "\\Q10"}; /* A2x, L2D, L3D, M2E */
-
/* Display */
#define METHOD_SWITCH_DISPLAY "SDSP"
-static acpi_handle display_get_handle;
-static char *display_get_paths[] = {
- /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */
- "\\_SB.PCI0.P0P1.VGA.GETD",
- /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */
- "\\_SB.PCI0.P0P2.VGA.GETD",
- /* A6V A6Q */
- "\\_SB.PCI0.P0P3.VGA.GETD",
- /* A6T, A6M */
- "\\_SB.PCI0.P0PA.VGA.GETD",
- /* L3C */
- "\\_SB.PCI0.PCI1.VGAC.NMAP",
- /* Z96F */
- "\\_SB.PCI0.VGA.GETD",
- /* A2D */
- "\\ACTD",
- /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */
- "\\ADVG",
- /* P30 */
- "\\DNXT",
- /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */
- "\\INFB",
- /* A3F A6F A3N A3L M6N W3N W6A */
- "\\SSTE"};
-
#define METHOD_ALS_CONTROL "ALSC" /* Z71A Z71V */
#define METHOD_ALS_LEVEL "ALSL" /* Z71A Z71V */
@@ -247,7 +210,6 @@ struct asus_laptop {
int wireless_status;
bool have_rsts;
- int lcd_state;
struct rfkill *gps_rfkill;
@@ -560,48 +522,6 @@ static int asus_led_init(struct asus_laptop *asus)
/*
* Backlight device
*/
-static int asus_lcd_status(struct asus_laptop *asus)
-{
- return asus->lcd_state;
-}
-
-static int asus_lcd_set(struct asus_laptop *asus, int value)
-{
- int lcd = 0;
- acpi_status status = 0;
-
- lcd = !!value;
-
- if (lcd == asus_lcd_status(asus))
- return 0;
-
- if (!lcd_switch_handle)
- return -ENODEV;
-
- status = acpi_evaluate_object(lcd_switch_handle,
- NULL, NULL, NULL);
-
- if (ACPI_FAILURE(status)) {
- pr_warning("Error switching LCD\n");
- return -ENODEV;
- }
-
- asus->lcd_state = lcd;
- return 0;
-}
-
-static void lcd_blank(struct asus_laptop *asus, int blank)
-{
- struct backlight_device *bd = asus->backlight_device;
-
- asus->lcd_state = (blank == FB_BLANK_UNBLANK);
-
- if (bd) {
- bd->props.power = blank;
- backlight_update_status(bd);
- }
-}
-
static int asus_read_brightness(struct backlight_device *bd)
{
struct asus_laptop *asus = bl_get_data(bd);
@@ -629,16 +549,9 @@ static int asus_set_brightness(struct backlight_device *bd, int value)
static int update_bl_status(struct backlight_device *bd)
{
- struct asus_laptop *asus = bl_get_data(bd);
- int rv;
int value = bd->props.brightness;
- rv = asus_set_brightness(bd, value);
- if (rv)
- return rv;
-
- value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0;
- return asus_lcd_set(asus, value);
+ return asus_set_brightness(bd, value);
}
static const struct backlight_ops asusbl_ops = {
@@ -662,8 +575,7 @@ static int asus_backlight_init(struct asus_laptop *asus)
struct backlight_properties props;
if (acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) ||
- acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) ||
- !lcd_switch_handle)
+ acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL))
return 0;
memset(&props, 0, sizeof(struct backlight_properties));
@@ -972,41 +884,6 @@ static void asus_set_display(struct asus_laptop *asus, int value)
return;
}
-static int read_display(struct asus_laptop *asus)
-{
- unsigned long long value = 0;
- acpi_status rv = AE_OK;
-
- /*
- * In most of the case, we know how to set the display, but sometime
- * we can't read it
- */
- if (display_get_handle) {
- rv = acpi_evaluate_integer(display_get_handle, NULL,
- NULL, &value);
- if (ACPI_FAILURE(rv))
- pr_warning("Error reading display status\n");
- }
-
- value &= 0x0F; /* needed for some models, shouldn't hurt others */
-
- return value;
-}
-
-/*
- * Now, *this* one could be more user-friendly, but so far, no-one has
- * complained. The significance of bits is the same as in store_disp()
- */
-static ssize_t show_disp(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct asus_laptop *asus = dev_get_drvdata(dev);
-
- if (!display_get_handle)
- return -ENODEV;
- return sprintf(buf, "%d\n", read_display(asus));
-}
-
/*
* Experimental support for display switching. As of now: 1 should activate
* the LCD output, 2 should do for CRT, 4 for TV-Out and 8 for DVI.
@@ -1248,15 +1125,6 @@ static void asus_acpi_notify(struct acpi_device *device, u32 event)
struct asus_laptop *asus = acpi_driver_data(device);
u16 count;
- /*
- * We need to tell the backlight device when the backlight power is
- * switched
- */
- if (event == ATKD_LCD_ON)
- lcd_blank(asus, FB_BLANK_UNBLANK);
- else if (event == ATKD_LCD_OFF)
- lcd_blank(asus, FB_BLANK_POWERDOWN);
-
/* TODO Find a better way to handle events count. */
count = asus->event_count[event % 128]++;
acpi_bus_generate_proc_event(asus->device, event, count);
@@ -1283,7 +1151,7 @@ static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR,
show_bluetooth, store_bluetooth);
static DEVICE_ATTR(wimax, S_IRUGO | S_IWUSR, show_wimax, store_wimax);
static DEVICE_ATTR(wwan, S_IRUGO | S_IWUSR, show_wwan, store_wwan);
-static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp);
+static DEVICE_ATTR(display, S_IWUSR, NULL, store_disp);
static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw);
@@ -1394,26 +1262,6 @@ static struct platform_driver platform_driver = {
}
};
-static int asus_handle_init(char *name, acpi_handle * handle,
- char **paths, int num_paths)
-{
- int i;
- acpi_status status;
-
- for (i = 0; i < num_paths; i++) {
- status = acpi_get_handle(NULL, paths[i], handle);
- if (ACPI_SUCCESS(status))
- return 0;
- }
-
- *handle = NULL;
- return -ENODEV;
-}
-
-#define ASUS_HANDLE_INIT(object) \
- asus_handle_init(#object, &object##_handle, object##_paths, \
- ARRAY_SIZE(object##_paths))
-
/*
* This function is used to initialize the context with right values. In this
* method, we can make all the detection we want, and modify the asus_laptop
@@ -1499,10 +1347,6 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
asus->have_rsts = true;
- /* Scheduled for removal */
- ASUS_HANDLE_INIT(lcd_switch);
- ASUS_HANDLE_INIT(display_get);
-
kfree(model);
return AE_OK;
@@ -1554,7 +1398,6 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
asus_als_level(asus, asus->light_level);
}
- asus->lcd_state = 1; /* LCD should be on when the module load */
return result;
}