8 files changed, 114 insertions, 25 deletions

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 2ee442c2a5db..0485e394712a 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -187,7 +187,8 @@ config MSI_LAPTOP
         depends on ACPI
         depends on BACKLIGHT_CLASS_DEVICE
         depends on RFKILL
-        depends on SERIO_I8042
+        depends on INPUT && SERIO_I8042
+        select INPUT_SPARSEKMAP
         ---help---
           This is a driver for laptops built by MSI (MICRO-STAR
           INTERNATIONAL):
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 5ea6c3477d17..ac4e7f83ce6c 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -89,7 +89,7 @@ MODULE_LICENSE("GPL");
 #define ACERWMID_EVENT_GUID "676AA15E-6A47-4D9F-A2CC-1E6D18D14026"
 
 MODULE_ALIAS("wmi:67C3371D-95A3-4C37-BB61-DD47B491DAAB");
-MODULE_ALIAS("wmi:6AF4F258-B401-42Fd-BE91-3D4AC2D7C0D3");
+MODULE_ALIAS("wmi:6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3");
 MODULE_ALIAS("wmi:676AA15E-6A47-4D9F-A2CC-1E6D18D14026");
 
 enum acer_wmi_event_ids {
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index efc776cb0c66..832a3fd7c1c8 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -201,8 +201,8 @@ static int asus_wmi_input_init(struct asus_wmi *asus)
         if (!asus->inputdev)
                 return -ENOMEM;
 
-        asus->inputdev->name = asus->driver->input_phys;
-        asus->inputdev->phys = asus->driver->input_name;
+        asus->inputdev->name = asus->driver->input_name;
+        asus->inputdev->phys = asus->driver->input_phys;
         asus->inputdev->id.bustype = BUS_HOST;
         asus->inputdev->dev.parent = &asus->platform_device->dev;
 
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index 0ddc434fb93b..649dcadd8ea3 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -67,9 +67,11 @@ static const struct key_entry eeepc_wmi_keymap[] = {
         { KE_KEY, 0x82, { KEY_CAMERA } },
         { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } },
         { KE_KEY, 0x88, { KEY_WLAN } },
+        { KE_KEY, 0xbd, { KEY_CAMERA } },
         { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
         { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
         { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
+        { KE_KEY, 0xe8, { KEY_SCREENLOCK } },
         { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
         { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } },
         { KE_KEY, 0xec, { KEY_CAMERA_UP } },
diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c
index d653104b59cb..464bb3fc4d88 100644
--- a/drivers/platform/x86/intel_pmic_gpio.c
+++ b/drivers/platform/x86/intel_pmic_gpio.c
@@ -74,6 +74,19 @@ struct pmic_gpio {
         u32                     trigger_type;
 };
 
+static void pmic_program_irqtype(int gpio, int type)
+{
+        if (type & IRQ_TYPE_EDGE_RISING)
+                intel_scu_ipc_update_register(GPIO0 + gpio, 0x20, 0x20);
+        else
+                intel_scu_ipc_update_register(GPIO0 + gpio, 0x00, 0x20);
+
+        if (type & IRQ_TYPE_EDGE_FALLING)
+                intel_scu_ipc_update_register(GPIO0 + gpio, 0x10, 0x10);
+        else
+                intel_scu_ipc_update_register(GPIO0 + gpio, 0x00, 0x10);
+};
+
 static int pmic_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 {
         if (offset > 8) {
@@ -166,16 +179,38 @@ static int pmic_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
         return pg->irq_base + offset;
 }
 
+static void pmic_bus_lock(struct irq_data *data)
+{
+        struct pmic_gpio *pg = irq_data_get_irq_chip_data(data);
+
+        mutex_lock(&pg->buslock);
+}
+
+static void pmic_bus_sync_unlock(struct irq_data *data)
+{
+        struct pmic_gpio *pg = irq_data_get_irq_chip_data(data);
+
+        if (pg->update_type) {
+                unsigned int gpio = pg->update_type & ~GPIO_UPDATE_TYPE;
+
+                pmic_program_irqtype(gpio, pg->trigger_type);
+                pg->update_type = 0;
+        }
+        mutex_unlock(&pg->buslock);
+}
+
 /* the gpiointr register is read-clear, so just do nothing. */
 static void pmic_irq_unmask(struct irq_data *data) { }
 
 static void pmic_irq_mask(struct irq_data *data) { }
 
 static struct irq_chip pmic_irqchip = {
-        .name           = "PMIC-GPIO",
-        .irq_mask       = pmic_irq_mask,
-        .irq_unmask     = pmic_irq_unmask,
-        .irq_set_type   = pmic_irq_type,
+        .name                   = "PMIC-GPIO",
+        .irq_mask               = pmic_irq_mask,
+        .irq_unmask             = pmic_irq_unmask,
+        .irq_set_type           = pmic_irq_type,
+        .irq_bus_lock           = pmic_bus_lock,
+        .irq_bus_sync_unlock    = pmic_bus_sync_unlock,
 };
 
 static irqreturn_t pmic_irq_handler(int irq, void *data)
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index de434c6dc2d6..d347116d150e 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -571,6 +571,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
                 .callback = dmi_check_cb,
         },
         {
+                .ident = "R410 Plus",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR,
+                                        "SAMSUNG ELECTRONICS CO., LTD."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "R410P"),
+                        DMI_MATCH(DMI_BOARD_NAME, "R460"),
+                },
+                .callback = dmi_check_cb,
+        },
+        {
                 .ident = "R518",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR,
@@ -591,12 +601,12 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
                 .callback = dmi_check_cb,
         },
         {
-                .ident = "N150/N210/N220",
+                .ident = "N150/N210/N220/N230",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR,
                                         "SAMSUNG ELECTRONICS CO., LTD."),
-                        DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220"),
-                        DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220/N230"),
+                        DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220/N230"),
                 },
                 .callback = dmi_check_cb,
         },
@@ -771,6 +781,7 @@ static int __init samsung_init(void)
 
         /* create a backlight device to talk to this one */
         memset(&props, 0, sizeof(struct backlight_properties));
+        props.type = BACKLIGHT_PLATFORM;
         props.max_brightness = sabi_config->max_brightness;
         backlight_device = backlight_device_register("samsung", &sdev->dev,
                                                      NULL, &backlight_ops,
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index e642f5f29504..8f709aec4da0 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -138,6 +138,8 @@ MODULE_PARM_DESC(kbd_backlight_timeout,
                  "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
                  "(default: 0)");
 
+static void sony_nc_kbd_backlight_resume(void);
+
 enum sony_nc_rfkill {
         SONY_WIFI,
         SONY_BLUETOOTH,
@@ -771,11 +773,6 @@ static int sony_nc_handles_setup(struct platform_device *pd)
         if (!handles)
                 return -ENOMEM;
 
-        sysfs_attr_init(&handles->devattr.attr);
-        handles->devattr.attr.name = "handles";
-        handles->devattr.attr.mode = S_IRUGO;
-        handles->devattr.show = sony_nc_handles_show;
-
         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
                 if (!acpi_callsetfunc(sony_nc_acpi_handle,
                                         "SN00", i + 0x20, &result)) {
@@ -785,11 +782,18 @@ static int sony_nc_handles_setup(struct platform_device *pd)
                 }
         }
 
-        /* allow reading capabilities via sysfs */
-        if (device_create_file(&pd->dev, &handles->devattr)) {
-                kfree(handles);
-                handles = NULL;
-                return -1;
+        if (debug) {
+                sysfs_attr_init(&handles->devattr.attr);
+                handles->devattr.attr.name = "handles";
+                handles->devattr.attr.mode = S_IRUGO;
+                handles->devattr.show = sony_nc_handles_show;
+
+                /* allow reading capabilities via sysfs */
+                if (device_create_file(&pd->dev, &handles->devattr)) {
+                        kfree(handles);
+                        handles = NULL;
+                        return -1;
+                }
         }
 
         return 0;
@@ -798,7 +802,8 @@ static int sony_nc_handles_setup(struct platform_device *pd)
 static int sony_nc_handles_cleanup(struct platform_device *pd)
 {
         if (handles) {
-                device_remove_file(&pd->dev, &handles->devattr);
+                if (debug)
+                        device_remove_file(&pd->dev, &handles->devattr);
                 kfree(handles);
                 handles = NULL;
         }
@@ -808,6 +813,11 @@ static int sony_nc_handles_cleanup(struct platform_device *pd)
 static int sony_find_snc_handle(int handle)
 {
         int i;
+
+        /* not initialized yet, return early */
+        if (!handles)
+                return -1;
+
         for (i = 0; i < 0x10; i++) {
                 if (handles->cap[i] == handle) {
                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
@@ -1168,6 +1178,9 @@ static int sony_nc_resume(struct acpi_device *device)
         /* re-read rfkill state */
         sony_nc_rfkill_update();
 
+        /* restore kbd backlight states */
+        sony_nc_kbd_backlight_resume();
+
         return 0;
 }
 
@@ -1355,6 +1368,7 @@ out_no_enum:
 #define KBDBL_HANDLER   0x137
 #define KBDBL_PRESENT   0xB00
 #define SET_MODE        0xC00
+#define SET_STATE       0xD00
 #define SET_TIMEOUT     0xE00
 
 struct kbd_backlight {
@@ -1377,6 +1391,10 @@ static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
                                 (value << 0x10) | SET_MODE, &result))
                 return -EIO;
 
+        /* Try to turn the light on/off immediately */
+        sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
+                        &result);
+
         kbdbl_handle->mode = value;
 
         return 0;
@@ -1458,7 +1476,7 @@ static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
 {
         int result;
 
-        if (sony_call_snc_handle(0x137, KBDBL_PRESENT, &result))
+        if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
                 return 0;
         if (!(result & 0x02))
                 return 0;
@@ -1501,13 +1519,36 @@ outkzalloc:
 static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
 {
         if (kbdbl_handle) {
+                int result;
+
                 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
                 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
+
+                /* restore the default hw behaviour */
+                sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
+                sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
+
                 kfree(kbdbl_handle);
         }
         return 0;
 }
 
+static void sony_nc_kbd_backlight_resume(void)
+{
+        int ignore = 0;
+
+        if (!kbdbl_handle)
+                return;
+
+        if (kbdbl_handle->mode == 0)
+                sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
+
+        if (kbdbl_handle->timeout != 0)
+                sony_call_snc_handle(KBDBL_HANDLER,
+                                (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
+                                &ignore);
+}
+
 static void sony_nc_backlight_setup(void)
 {
         acpi_handle unused;
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index a08561f5349e..efb3b6b9bcdb 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -8618,8 +8618,7 @@ static bool __pure __init tpacpi_is_valid_fw_id(const char* const s,
                 tpacpi_is_fw_digit(s[1]) &&
                 s[2] == t && s[3] == 'T' &&
                 tpacpi_is_fw_digit(s[4]) &&
-                tpacpi_is_fw_digit(s[5]) &&
-                s[6] == 'W' && s[7] == 'W';
+                tpacpi_is_fw_digit(s[5]);
 }
 
 /* returns 0 - probe ok, or < 0 - probe error.