Merge commit 'v2.6.31-rc8' into next

9 files changed, 119 insertions, 55 deletions

diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 4cfd084fa89..9a1d55b74d7 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -456,8 +456,11 @@ static int joydev_ioctl_common(struct joydev *joydev,
 				unsigned int cmd, void __user *argp)
 {
 	struct input_dev *dev = joydev->handle.dev;
+	size_t len;
 	int i, j;
+	const char *name;
 
+	/* Process fixed-sized commands. */
 	switch (cmd) {
 
 	case JS_SET_CAL:
@@ -499,9 +502,22 @@ static int joydev_ioctl_common(struct joydev *joydev,
 		return copy_to_user(argp, joydev->corr,
 			sizeof(joydev->corr[0]) * joydev->nabs) ? -EFAULT : 0;
 
-	case JSIOCSAXMAP:
-		if (copy_from_user(joydev->abspam, argp,
-				   sizeof(__u8) * (ABS_MAX + 1)))
+	}
+
+	/*
+	 * Process variable-sized commands (the axis and button map commands
+	 * are considered variable-sized to decouple them from the values of
+	 * ABS_MAX and KEY_MAX).
+	 */
+	switch (cmd & ~IOCSIZE_MASK) {
+
+	case (JSIOCSAXMAP & ~IOCSIZE_MASK):
+		len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->abspam));
+		/*
+		 * FIXME: we should not copy into our axis map before
+		 * validating the data.
+		 */
+		if (copy_from_user(joydev->abspam, argp, len))
 			return -EFAULT;
 
 		for (i = 0; i < joydev->nabs; i++) {
@@ -511,13 +527,17 @@ static int joydev_ioctl_common(struct joydev *joydev,
 		}
 		return 0;
 
-	case JSIOCGAXMAP:
-		return copy_to_user(argp, joydev->abspam,
-			sizeof(__u8) * (ABS_MAX + 1)) ? -EFAULT : 0;
-
-	case JSIOCSBTNMAP:
-		if (copy_from_user(joydev->keypam, argp,
-				   sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)))
+	case (JSIOCGAXMAP & ~IOCSIZE_MASK):
+		len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->abspam));
+		return copy_to_user(argp, joydev->abspam, len) ? -EFAULT : 0;
+
+	case (JSIOCSBTNMAP & ~IOCSIZE_MASK):
+		len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->keypam));
+		/*
+		 * FIXME: we should not copy into our keymap before
+		 * validating the data.
+		 */
+		if (copy_from_user(joydev->keypam, argp, len))
 			return -EFAULT;
 
 		for (i = 0; i < joydev->nkey; i++) {
@@ -529,25 +549,19 @@ static int joydev_ioctl_common(struct joydev *joydev,
 
 		return 0;
 
-	case JSIOCGBTNMAP:
-		return copy_to_user(argp, joydev->keypam,
-			sizeof(__u16) * (KEY_MAX - BTN_MISC + 1)) ? -EFAULT : 0;
+	case (JSIOCGBTNMAP & ~IOCSIZE_MASK):
+		len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->keypam));
+		return copy_to_user(argp, joydev->keypam, len) ? -EFAULT : 0;
 
-	default:
-		if ((cmd & ~IOCSIZE_MASK) == JSIOCGNAME(0)) {
-			int len;
-			const char *name = dev->name;
-
-			if (!name)
-				return 0;
-			len = strlen(name) + 1;
-			if (len > _IOC_SIZE(cmd))
-				len = _IOC_SIZE(cmd);
-			if (copy_to_user(argp, name, len))
-				return -EFAULT;
-			return len;
-		}
+	case JSIOCGNAME(0):
+		name = dev->name;
+		if (!name)
+			return 0;
+
+		len = min_t(size_t, _IOC_SIZE(cmd), strlen(name) + 1);
+		return copy_to_user(argp, name, len) ? -EFAULT : len;
 	}
+
 	return -EINVAL;
 }
 
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index baabf830264..f6c688cae33 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -74,6 +74,7 @@ static struct iforce_device iforce_device[] = {
 	{ 0x05ef, 0x8884, "AVB Mag Turbo Force",			btn_avb_wheel, abs_wheel, ff_iforce },
 	{ 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel",	btn_avb_tw, abs_wheel, ff_iforce }, //?
 	{ 0x061c, 0xc0a4, "ACT LABS Force RS",                          btn_wheel, abs_wheel, ff_iforce }, //?
+	{ 0x061c, 0xc084, "ACT LABS Force RS",				btn_wheel, abs_wheel, ff_iforce },
 	{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback",	btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel",	btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x06f8, 0x0004, "Gullemot Jet Leader 3D",			btn_joystick, abs_joystick, ff_iforce }, //?
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index f83185aeb51..9f289d8f52c 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -223,6 +223,7 @@ static struct usb_device_id iforce_usb_ids [] = {
 	{ USB_DEVICE(0x05ef, 0x8884) },		/* AVB Mag Turbo Force */
 	{ USB_DEVICE(0x05ef, 0x8888) },		/* AVB Top Shot FFB Racing Wheel */
 	{ USB_DEVICE(0x061c, 0xc0a4) },         /* ACT LABS Force RS */
+	{ USB_DEVICE(0x061c, 0xc084) },         /* ACT LABS Force RS */
 	{ USB_DEVICE(0x06f8, 0x0001) },		/* Guillemot Race Leader Force Feedback */
 	{ USB_DEVICE(0x06f8, 0x0004) },		/* Guillemot Force Feedback Racing Wheel */
 	{ USB_DEVICE(0x06f8, 0xa302) },		/* Guillemot Jet Leader 3D */
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index e9b2e7cb05b..541b981ff07 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -27,6 +27,7 @@ struct matrix_keypad {
 	const struct matrix_keypad_platform_data *pdata;
 	struct input_dev *input_dev;
 	unsigned short *keycodes;
+	unsigned int row_shift;
 
 	uint32_t last_key_state[MATRIX_MAX_COLS];
 	struct delayed_work work;
@@ -136,7 +137,7 @@ static void matrix_keypad_scan(struct work_struct *work)
 			if ((bits_changed & (1 << row)) == 0)
 				continue;
 
-			code = (row << 4) + col;
+			code = MATRIX_SCAN_CODE(row, col, keypad->row_shift);
 			input_event(input_dev, EV_MSC, MSC_SCAN, code);
 			input_report_key(input_dev,
 					 keypad->keycodes[code],
@@ -317,6 +318,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 	struct matrix_keypad *keypad;
 	struct input_dev *input_dev;
 	unsigned short *keycodes;
+	unsigned int row_shift;
 	int i;
 	int err;
 
@@ -332,14 +334,11 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	if (!keymap_data->max_keymap_size) {
-		dev_err(&pdev->dev, "invalid keymap data supplied\n");
-		return -EINVAL;
-	}
+	row_shift = get_count_order(pdata->num_col_gpios);
 
 	keypad = kzalloc(sizeof(struct matrix_keypad), GFP_KERNEL);
-	keycodes = kzalloc(keymap_data->max_keymap_size *
-				sizeof(keypad->keycodes),
+	keycodes = kzalloc((pdata->num_row_gpios << row_shift) *
+				sizeof(*keycodes),
 			   GFP_KERNEL);
 	input_dev = input_allocate_device();
 	if (!keypad || !keycodes || !input_dev) {
@@ -350,6 +349,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 	keypad->input_dev = input_dev;
 	keypad->pdata = pdata;
 	keypad->keycodes = keycodes;
+	keypad->row_shift = row_shift;
 	keypad->stopped = true;
 	INIT_DELAYED_WORK(&keypad->work, matrix_keypad_scan);
 	spin_lock_init(&keypad->lock);
@@ -363,7 +363,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 
 	input_dev->keycode	= keycodes;
 	input_dev->keycodesize	= sizeof(*keycodes);
-	input_dev->keycodemax	= keymap_data->max_keymap_size;
+	input_dev->keycodemax	= pdata->num_row_gpios << keypad->row_shift;
 
 	for (i = 0; i < keymap_data->keymap_size; i++) {
 		unsigned int key = keymap_data->keymap[i];
@@ -371,7 +371,7 @@ static int __devinit matrix_keypad_probe(struct platform_device *pdev)
 		unsigned int col = KEY_COL(key);
 		unsigned short code = KEY_VAL(key);
 
-		keycodes[(row << 4) + col] = code;
+		keycodes[MATRIX_SCAN_CODE(row, col, row_shift)] = code;
 		__set_bit(code, input_dev->keybit);
 	}
 	__clear_bit(KEY_RESERVED, input_dev->keybit);
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index bc3116bebfe..ebb08cfe273 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -611,6 +611,20 @@ static struct key_entry keymap_wistron_generic[] __initdata = {
 	{ KE_END, 0 }
 };
 
+static struct key_entry keymap_prestigio[] __initdata = {
+	{ KE_KEY,  0x11, {KEY_PROG1} },
+	{ KE_KEY,  0x12, {KEY_PROG2} },
+	{ KE_WIFI,  0x30 },
+	{ KE_KEY,  0x22, {KEY_REWIND} },
+	{ KE_KEY,  0x23, {KEY_FORWARD} },
+	{ KE_KEY,  0x24, {KEY_PLAYPAUSE} },
+	{ KE_KEY,  0x25, {KEY_STOPCD} },
+	{ KE_KEY,  0x31, {KEY_MAIL} },
+	{ KE_KEY,  0x36, {KEY_WWW} },
+	{ KE_END,  0 }
+};
+
+
 /*
  * If your machine is not here (which is currently rather likely), please send
  * a list of buttons and their key codes (reported when loading this module
@@ -971,6 +985,8 @@ static int __init select_keymap(void)
 	if (keymap_name != NULL) {
 		if (strcmp (keymap_name, "1557/MS2141") == 0)
 			keymap = keymap_wistron_ms2141;
+		else if (strcmp (keymap_name, "prestigio") == 0)
+			keymap = keymap_prestigio;
 		else if (strcmp (keymap_name, "generic") == 0)
 			keymap = keymap_wistron_generic;
 		else {
diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c
index b587e2d576a..820e51673b2 100644
--- a/drivers/input/serio/hp_sdc_mlc.c
+++ b/drivers/input/serio/hp_sdc_mlc.c
@@ -296,7 +296,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc)
 	priv->tseq[3] = 0;
 	if (mlc->opacket & HIL_CTRL_APE) {
 		priv->tseq[3] |= HP_SDC_LPC_APE_IPF;
-		down_trylock(&mlc->csem);
+		BUG_ON(down_trylock(&mlc->csem));
 	}
  enqueue:
 	hp_sdc_enqueue_transaction(&priv->trans);
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 924e8ed7f2c..ae04d8a494e 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -78,6 +78,14 @@ static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
 		},
 	},
 	{
+		.ident = "ASUS G1S",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
+			DMI_MATCH(DMI_BOARD_NAME, "G1S"),
+			DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
+		},
+	},
+	{
 		/* AUX LOOP command does not raise AUX IRQ */
 		.ident = "ASUS P65UP5",
 		.matches = {
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index a9d5031b855..ea30c983a33 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -388,6 +388,32 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
 	return result;
 }
 
+static int wacom_query_tablet_data(struct usb_interface *intf)
+{
+	unsigned char *rep_data;
+	int limit = 0;
+	int error;
+
+	rep_data = kmalloc(2, GFP_KERNEL);
+	if (!rep_data)
+		return -ENOMEM;
+
+	do {
+		rep_data[0] = 2;
+		rep_data[1] = 2;
+		error = usb_set_report(intf, WAC_HID_FEATURE_REPORT,
+					2, rep_data, 2);
+		if (error >= 0)
+			error = usb_get_report(intf,
+						WAC_HID_FEATURE_REPORT, 2,
+						rep_data, 2);
+	} while ((error < 0 || rep_data[1] != 2) && limit++ < 5);
+
+	kfree(rep_data);
+
+	return error < 0 ? error : 0;
+}
+
 static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct usb_device *dev = interface_to_usbdev(intf);
@@ -398,7 +424,6 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 	struct wacom_features *features;
 	struct input_dev *input_dev;
 	int error = -ENOMEM;
-	char rep_data[2], limit = 0;
 	struct hid_descriptor *hid_desc;
 
 	wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
@@ -489,20 +514,10 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 
 	/*
 	 * Ask the tablet to report tablet data if it is not a Tablet PC.
-	 * Repeat until it succeeds
+	 * Note that if query fails it is not a hard failure.
 	 */
-	if (wacom_wac->features->type != TABLETPC) {
-		do {
-			rep_data[0] = 2;
-			rep_data[1] = 2;
-			error = usb_set_report(intf, WAC_HID_FEATURE_REPORT,
-						2, rep_data, 2);
-			if (error >= 0)
-				error = usb_get_report(intf,
-						WAC_HID_FEATURE_REPORT, 2,
-						rep_data, 2);
-		} while ((error < 0 || rep_data[1] != 2) && limit++ < 5);
-	}
+	if (wacom_wac->features->type != TABLETPC)
+		wacom_query_tablet_data(intf);
 
 	usb_set_intfdata(intf, wacom);
 	return 0;
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index e85483578bd..095f84b1f56 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -171,11 +171,11 @@ static void ucb1400_handle_pending_irq(struct ucb1400_ts *ucb)
 	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, isr);
 	ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
 
-	if (isr & UCB_IE_TSPX) {
+	if (isr & UCB_IE_TSPX)
 		ucb1400_ts_irq_disable(ucb->ac97);
-		enable_irq(ucb->irq);
-	} else
-		printk(KERN_ERR "ucb1400: unexpected IE_STATUS = %#x\n", isr);
+	else
+		dev_dbg(&ucb->ts_idev->dev, "ucb1400: unexpected IE_STATUS = %#x\n", isr);
+	enable_irq(ucb->irq);
 }
 
 static int ucb1400_ts_thread(void *_ucb)
@@ -346,6 +346,7 @@ static int ucb1400_ts_detect_irq(struct ucb1400_ts *ucb)
 static int ucb1400_ts_probe(struct platform_device *dev)
 {
 	int error, x_res, y_res;
+	u16 fcsr;
 	struct ucb1400_ts *ucb = dev->dev.platform_data;
 
 	ucb->ts_idev = input_allocate_device();
@@ -383,6 +384,14 @@ static int ucb1400_ts_probe(struct platform_device *dev)
 	ucb->ts_idev->evbit[0]		= BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY);
 	ucb->ts_idev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
 
+	/*
+	 * Enable ADC filter to prevent horrible jitter on Colibri.
+	 * This also further reduces jitter on boards where ADCSYNC
+	 * pin is connected.
+	 */
+	fcsr = ucb1400_reg_read(ucb->ac97, UCB_FCSR);
+	ucb1400_reg_write(ucb->ac97, UCB_FCSR, fcsr | UCB_FCSR_AVE);
+
 	ucb1400_adc_enable(ucb->ac97);
 	x_res = ucb1400_ts_read_xres(ucb);
 	y_res = ucb1400_ts_read_yres(ucb);