4 files changed, 45 insertions, 18 deletions

diff --git a/drivers/platform/x86/chromeos_laptop.c b/drivers/platform/x86/chromeos_laptop.c
index 93d66809355a..3e5b4497a1d0 100644
--- a/drivers/platform/x86/chromeos_laptop.c
+++ b/drivers/platform/x86/chromeos_laptop.c
@@ -23,6 +23,9 @@
 
 #include <linux/dmi.h>
 #include <linux/i2c.h>
+#include <linux/i2c/atmel_mxt_ts.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
 #include <linux/module.h>
 
 #define ATMEL_TP_I2C_ADDR       0x4b
@@ -67,15 +70,49 @@ static struct i2c_board_info __initdata tsl2563_als_device = {
         I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR),
 };
 
+static struct mxt_platform_data atmel_224s_tp_platform_data = {
+        .x_line                 = 18,
+        .y_line                 = 12,
+        .x_size                 = 102*20,
+        .y_size                 = 68*20,
+        .blen                   = 0x80, /* Gain setting is in upper 4 bits */
+        .threshold              = 0x32,
+        .voltage                = 0,    /* 3.3V */
+        .orient                 = MXT_VERTICAL_FLIP,
+        .irqflags               = IRQF_TRIGGER_FALLING,
+        .is_tp                  = true,
+        .key_map                = { KEY_RESERVED,
+                                    KEY_RESERVED,
+                                    KEY_RESERVED,
+                                    BTN_LEFT },
+        .config                 = NULL,
+        .config_length          = 0,
+};
+
 static struct i2c_board_info __initdata atmel_224s_tp_device = {
         I2C_BOARD_INFO("atmel_mxt_tp", ATMEL_TP_I2C_ADDR),
-        .platform_data = NULL,
+        .platform_data = &atmel_224s_tp_platform_data,
         .flags          = I2C_CLIENT_WAKE,
 };
 
+static struct mxt_platform_data atmel_1664s_platform_data = {
+        .x_line                 = 32,
+        .y_line                 = 50,
+        .x_size                 = 1700,
+        .y_size                 = 2560,
+        .blen                   = 0x89, /* Gain setting is in upper 4 bits */
+        .threshold              = 0x28,
+        .voltage                = 0,    /* 3.3V */
+        .orient                 = MXT_ROTATED_90_COUNTER,
+        .irqflags               = IRQF_TRIGGER_FALLING,
+        .is_tp                  = false,
+        .config                 = NULL,
+        .config_length          = 0,
+};
+
 static struct i2c_board_info __initdata atmel_1664s_device = {
         I2C_BOARD_INFO("atmel_mxt_ts", ATMEL_TS_I2C_ADDR),
-        .platform_data = NULL,
+        .platform_data = &atmel_1664s_platform_data,
         .flags          = I2C_CLIENT_WAKE,
 };
 
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 9557414954fa..14d4dced1def 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -3689,7 +3689,7 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
         }
 
         if (ret > 0) {
-                struct inode *inode = file->f_path.dentry->d_inode;
+                struct inode *inode = file_inode(file);
                 inode->i_atime = current_fs_time(inode->i_sb);
         }
 
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index be9379923a99..edec135b1685 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -851,7 +851,7 @@ static ssize_t dispatch_proc_write(struct file *file,
                         const char __user *userbuf,
                         size_t count, loff_t *pos)
 {
-        struct ibm_struct *ibm = PDE(file->f_path.dentry->d_inode)->data;
+        struct ibm_struct *ibm = PDE(file_inode(file))->data;
         char *kernbuf;
         int ret;
 
@@ -1964,9 +1964,6 @@ struct tp_nvram_state {
 /* kthread for the hotkey poller */
 static struct task_struct *tpacpi_hotkey_task;
 
-/* Acquired while the poller kthread is running, use to sync start/stop */
-static struct mutex hotkey_thread_mutex;
-
 /*
  * Acquire mutex to write poller control variables as an
  * atomic block.
@@ -2462,8 +2459,6 @@ static int hotkey_kthread(void *data)
         unsigned int poll_freq;
         bool was_frozen;
 
-        mutex_lock(&hotkey_thread_mutex);
-
         if (tpacpi_lifecycle == TPACPI_LIFE_EXITING)
                 goto exit;
 
@@ -2523,7 +2518,6 @@ static int hotkey_kthread(void *data)
         }
 
 exit:
-        mutex_unlock(&hotkey_thread_mutex);
         return 0;
 }
 
@@ -2533,9 +2527,6 @@ static void hotkey_poll_stop_sync(void)
         if (tpacpi_hotkey_task) {
                 kthread_stop(tpacpi_hotkey_task);
                 tpacpi_hotkey_task = NULL;
-                mutex_lock(&hotkey_thread_mutex);
-                /* at this point, the thread did exit */
-                mutex_unlock(&hotkey_thread_mutex);
         }
 }
 
@@ -3234,7 +3225,6 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
         mutex_init(&hotkey_mutex);
 
 #ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
-        mutex_init(&hotkey_thread_mutex);
         mutex_init(&hotkey_thread_data_mutex);
 #endif
 
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 904476b2fa8f..242abac62d8b 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -583,7 +583,7 @@ static int set_lcd_status(struct backlight_device *bd)
 static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
                               size_t count, loff_t *pos)
 {
-        struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data;
+        struct toshiba_acpi_dev *dev = PDE(file_inode(file))->data;
         char cmd[42];
         size_t len;
         int value;
@@ -650,7 +650,7 @@ static int video_proc_open(struct inode *inode, struct file *file)
 static ssize_t video_proc_write(struct file *file, const char __user *buf,
                                 size_t count, loff_t *pos)
 {
-        struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data;
+        struct toshiba_acpi_dev *dev = PDE(file_inode(file))->data;
         char *cmd, *buffer;
         int ret;
         int value;
@@ -750,7 +750,7 @@ static int fan_proc_open(struct inode *inode, struct file *file)
 static ssize_t fan_proc_write(struct file *file, const char __user *buf,
                               size_t count, loff_t *pos)
 {
-        struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data;
+        struct toshiba_acpi_dev *dev = PDE(file_inode(file))->data;
         char cmd[42];
         size_t len;
         int value;
@@ -822,7 +822,7 @@ static int keys_proc_open(struct inode *inode, struct file *file)
 static ssize_t keys_proc_write(struct file *file, const char __user *buf,
                                size_t count, loff_t *pos)
 {
-        struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data;
+        struct toshiba_acpi_dev *dev = PDE(file_inode(file))->data;
         char cmd[42];
         size_t len;
         int value;