14 files changed, 73 insertions, 32 deletions

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index a92d81567559..3524bef62be6 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -677,8 +677,8 @@ static int handle_eviocgbit(struct input_dev *dev, unsigned int cmd, void __user
                 len = OLD_KEY_MAX;
                 if (printk_timed_ratelimit(&keymax_warn_time, 10 * 1000))
                         printk(KERN_WARNING
-                                "evdev.c(EVIOCGBIT): Suspicious buffer size %d, "
-                                "limiting output to %d bytes. See "
+                                "evdev.c(EVIOCGBIT): Suspicious buffer size %u, "
+                                "limiting output to %zu bytes. See "
                                 "http://userweb.kernel.org/~dtor/eviocgbit-bug.html\n",
                                 OLD_KEY_MAX,
                                 BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long));
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index 54ed8e2e1c02..e348cfccc17a 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -29,7 +29,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 
 #include <linux/init.h>
 #include <linux/fs.h>
@@ -44,7 +43,7 @@
 #include <linux/input.h>
 
 #include <asm/portmux.h>
-#include <asm/mach/bf54x_keys.h>
+#include <mach/bf54x_keys.h>
 
 #define DRV_NAME        "bf54x-keys"
 #define TIME_SCALE      100     /* 100 ns */
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 3f48279f2195..ec96b369dd7a 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -9,7 +9,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 
 #include <linux/init.h>
 #include <linux/fs.h>
diff --git a/drivers/input/misc/cobalt_btns.c b/drivers/input/misc/cobalt_btns.c
index 6a1f48b76e32..2adf9cb265da 100644
--- a/drivers/input/misc/cobalt_btns.c
+++ b/drivers/input/misc/cobalt_btns.c
@@ -148,6 +148,9 @@ static int __devexit cobalt_buttons_remove(struct platform_device *pdev)
         return 0;
 }
 
+MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
+MODULE_DESCRIPTION("Cobalt button interface driver");
+MODULE_LICENSE("GPL");
 /* work with hotplug and coldplug */
 MODULE_ALIAS("platform:Cobalt buttons");
 
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 2ec921bf3c60..18f4d7f6ce6d 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -63,7 +63,7 @@
 }
 
 /* table of devices that work with this driver */
-static const struct usb_device_id bcm5974_table [] = {
+static const struct usb_device_id bcm5974_table[] = {
         /* MacbookAir1.1 */
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
@@ -105,7 +105,7 @@ struct tp_header {
 
 /* trackpad finger structure */
 struct tp_finger {
-        __le16 origin;          /* left/right origin? */
+        __le16 origin;          /* zero when switching track finger */
         __le16 abs_x;           /* absolute x coodinate */
         __le16 abs_y;           /* absolute y coodinate */
         __le16 rel_x;           /* relative x coodinate */
@@ -159,6 +159,7 @@ struct bcm5974 {
         struct bt_data *bt_data;        /* button transferred data */
         struct urb *tp_urb;             /* trackpad usb request block */
         struct tp_data *tp_data;        /* trackpad transferred data */
+        int fingers;                    /* number of fingers on trackpad */
 };
 
 /* logical dimensions */
@@ -172,6 +173,10 @@ struct bcm5974 {
 #define SN_WIDTH        100             /* width signal-to-noise ratio */
 #define SN_COORD        250             /* coordinate signal-to-noise ratio */
 
+/* pressure thresholds */
+#define PRESSURE_LOW    (2 * DIM_PRESSURE / SN_PRESSURE)
+#define PRESSURE_HIGH   (3 * PRESSURE_LOW)
+
 /* device constants */
 static const struct bcm5974_config bcm5974_config_table[] = {
         {
@@ -248,6 +253,7 @@ static void setup_events_to_report(struct input_dev *input_dev,
                                 0, cfg->y.dim, cfg->y.fuzz, 0);
 
         __set_bit(EV_KEY, input_dev->evbit);
+        __set_bit(BTN_TOUCH, input_dev->keybit);
         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
         __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
         __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
@@ -273,32 +279,66 @@ static int report_tp_state(struct bcm5974 *dev, int size)
         const struct tp_finger *f = dev->tp_data->finger;
         struct input_dev *input = dev->input;
         const int fingers = (size - 26) / 28;
-        int p = 0, w, x, y, n = 0;
+        int raw_p, raw_w, raw_x, raw_y;
+        int ptest = 0, origin = 0, nmin = 0, nmax = 0;
+        int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0;
 
         if (size < 26 || (size - 26) % 28 != 0)
                 return -EIO;
 
+        /* always track the first finger; when detached, start over */
         if (fingers) {
-                p = raw2int(f->force_major);
-                w = raw2int(f->size_major);
-                x = raw2int(f->abs_x);
-                y = raw2int(f->abs_y);
-                n = p > 0 ? fingers : 0;
+                raw_p = raw2int(f->force_major);
+                raw_w = raw2int(f->size_major);
+                raw_x = raw2int(f->abs_x);
+                raw_y = raw2int(f->abs_y);
 
                 dprintk(9,
-                        "bcm5974: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n",
-                        p, w, x, y, n);
+                        "bcm5974: raw: p: %+05d w: %+05d x: %+05d y: %+05d\n",
+                        raw_p, raw_w, raw_x, raw_y);
+
+                ptest = int2bound(&c->p, raw_p);
+                origin = raw2int(f->origin);
+        }
 
-                input_report_abs(input, ABS_TOOL_WIDTH, int2bound(&c->w, w));
-                input_report_abs(input, ABS_X, int2bound(&c->x, x - c->x.devmin));
-                input_report_abs(input, ABS_Y, int2bound(&c->y, c->y.devmax - y));
+        /* while tracking finger still valid, count all fingers */
+        if (ptest > PRESSURE_LOW && origin) {
+                abs_p = ptest;
+                abs_w = int2bound(&c->w, raw_w);
+                abs_x = int2bound(&c->x, raw_x - c->x.devmin);
+                abs_y = int2bound(&c->y, c->y.devmax - raw_y);
+                for (; f != dev->tp_data->finger + fingers; f++) {
+                        ptest = int2bound(&c->p, raw2int(f->force_major));
+                        if (ptest > PRESSURE_LOW)
+                                nmax++;
+                        if (ptest > PRESSURE_HIGH)
+                                nmin++;
+                }
         }
 
-        input_report_abs(input, ABS_PRESSURE, int2bound(&c->p, p));
+        if (dev->fingers < nmin)
+                dev->fingers = nmin;
+        if (dev->fingers > nmax)
+                dev->fingers = nmax;
+
+        input_report_key(input, BTN_TOUCH, dev->fingers > 0);
+        input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1);
+        input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2);
+        input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers > 2);
 
-        input_report_key(input, BTN_TOOL_FINGER, n == 1);
-        input_report_key(input, BTN_TOOL_DOUBLETAP, n == 2);
-        input_report_key(input, BTN_TOOL_TRIPLETAP, n > 2);
+        input_report_abs(input, ABS_PRESSURE, abs_p);
+        input_report_abs(input, ABS_TOOL_WIDTH, abs_w);
+
+        if (abs_p) {
+                input_report_abs(input, ABS_X, abs_x);
+                input_report_abs(input, ABS_Y, abs_y);
+
+                dprintk(8,
+                        "bcm5974: abs: p: %+05d w: %+05d x: %+05d y: %+05d "
+                        "nmin: %d nmax: %d n: %d\n",
+                        abs_p, abs_w, abs_x, abs_y, nmin, nmax, dev->fingers);
+
+        }
 
         input_sync(input);
 
diff --git a/drivers/input/mouse/gpio_mouse.c b/drivers/input/mouse/gpio_mouse.c
index 339290184871..72cf5e33790e 100644
--- a/drivers/input/mouse/gpio_mouse.c
+++ b/drivers/input/mouse/gpio_mouse.c
@@ -9,7 +9,6 @@
  */
 
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/input-polldev.h>
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 3282b741e246..5aafe24984c5 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -305,7 +305,7 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
                 .ident = "Lenovo 3000 n100",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-                        DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
                 },
         },
         {
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index b9b7a98bc5a5..7df0228e836e 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -64,7 +64,6 @@ Scott Hill shill@gtcocalcomp.com
 #include <asm/byteorder.h>
 
 
-#include <linux/version.h>
 #include <linux/usb/input.h>
 
 /* Version with a Major number of 2 is for kernel inclusion only. */
diff --git a/drivers/input/touchscreen/mainstone-wm97xx.c b/drivers/input/touchscreen/mainstone-wm97xx.c
index 283f93a0cee2..37a555f37306 100644
--- a/drivers/input/touchscreen/mainstone-wm97xx.c
+++ b/drivers/input/touchscreen/mainstone-wm97xx.c
@@ -25,7 +25,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/delay.h>
diff --git a/drivers/input/touchscreen/migor_ts.c b/drivers/input/touchscreen/migor_ts.c
index c1cd99d58981..504ca11749a1 100644
--- a/drivers/input/touchscreen/migor_ts.c
+++ b/drivers/input/touchscreen/migor_ts.c
@@ -173,7 +173,7 @@ static int migor_ts_probe(struct i2c_client *client,
         input_set_abs_params(input, ABS_X, 95, 955, 0, 0);
         input_set_abs_params(input, ABS_Y, 85, 935, 0, 0);
 
-        input->name = client->driver_name;
+        input->name = client->name;
         input->id.bustype = BUS_I2C;
         input->dev.parent = &client->dev;
 
@@ -192,7 +192,7 @@ static int migor_ts_probe(struct i2c_client *client,
                 goto err1;
 
         error = request_irq(priv->irq, migor_ts_isr, IRQF_TRIGGER_LOW,
-                            client->driver_name, priv);
+                            client->name, priv);
         if (error) {
                 dev_err(&client->dev, "Unable to request touchscreen IRQ.\n");
                 goto err2;
@@ -224,12 +224,19 @@ static int migor_ts_remove(struct i2c_client *client)
         return 0;
 }
 
+static const struct i2c_device_id migor_ts_id[] = {
+        { "migor_ts", 0 },
+        { }
+};
+MODULE_DEVICE_TABLE(i2c, migor_ts);
+
 static struct i2c_driver migor_ts_driver = {
         .driver = {
                 .name = "migor_ts",
         },
         .probe = migor_ts_probe,
         .remove = migor_ts_remove,
+        .id_table = migor_ts_id,
 };
 
 static int __init migor_ts_init(void)
diff --git a/drivers/input/touchscreen/wm9705.c b/drivers/input/touchscreen/wm9705.c
index 978e1a13ffc7..372efbc694ff 100644
--- a/drivers/input/touchscreen/wm9705.c
+++ b/drivers/input/touchscreen/wm9705.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/input.h>
 #include <linux/delay.h>
diff --git a/drivers/input/touchscreen/wm9712.c b/drivers/input/touchscreen/wm9712.c
index 4c5d85a249ae..c8bb1e7335fc 100644
--- a/drivers/input/touchscreen/wm9712.c
+++ b/drivers/input/touchscreen/wm9712.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/input.h>
 #include <linux/delay.h>
diff --git a/drivers/input/touchscreen/wm9713.c b/drivers/input/touchscreen/wm9713.c
index 838458792ea0..781ee83547e6 100644
--- a/drivers/input/touchscreen/wm9713.c
+++ b/drivers/input/touchscreen/wm9713.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/input.h>
 #include <linux/delay.h>
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index cdc24ad314e0..d589ab0e3adc 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -37,7 +37,6 @@
 
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/delay.h>