summaryrefslogtreecommitdiffstats
path: root/drivers/platform
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/chromeos_laptop.c41
-rw-r--r--drivers/platform/x86/sony-laptop.c2
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c12
-rw-r--r--drivers/platform/x86/toshiba_acpi.c8
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;
OpenPOWER on IntegriCloud