Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - an update to Elan touchpad controller driver supporting newer ICs
   with enhanced precision reports and a new firmware update process

 - an update to EXC3000 touch controller supporting additional parts

 - assorted driver fixups

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (27 commits)
  Input: exc3000 - add support to query model and fw_version
  Input: exc3000 - add reset gpio support
  Input: exc3000 - add EXC80H60 and EXC80H84 support
  dt-bindings: touchscreen: Convert EETI EXC3000 touchscreen to json-schema
  Input: sentelic - fix error return when fsp_reg_write fails
  Input: alps - remove redundant assignment to variable ret
  Input: ims-pcu - return error code rather than -ENOMEM
  Input: elan_i2c - add ic type 0x15
  Input: atmel_mxt_ts - only read messages in mxt_acquire_irq() when necessary
  Input: uinput - fix typo in function name documentation
  Input: ati_remote2 - add missing newlines when printing module parameters
  Input: psmouse - add a newline when printing 'proto' by sysfs
  Input: synaptics-rmi4 - drop a duplicated word
  Input: elan_i2c - add support for high resolution reports
  Input: elan_i2c - do not constantly re-query pattern ID
  Input: elan_i2c - add firmware update info for ICs 0x11, 0x13, 0x14
  Input: elan_i2c - handle firmware updated on newer ICs
  Input: elan_i2c - add support for different firmware page sizes
  Input: elan_i2c - fix detecting IAP version on older controllers
  Input: elan_i2c - handle devices with patterns above 1
  ...

42 files changed, 641 insertions, 235 deletions

diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index a81e14148407..f699538bdac4 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -16,7 +16,7 @@ static void copy_abs(struct input_dev *dev, unsigned int dst, unsigned int src)
 	if (dev->absinfo && test_bit(src, dev->absbit)) {
 		dev->absinfo[dst] = dev->absinfo[src];
 		dev->absinfo[dst].fuzz = 0;
-		dev->absbit[BIT_WORD(dst)] |= BIT_MASK(dst);
+		__set_bit(dst, dev->absbit);
 	}
 }
 
diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c
index a7bc576eb342..434d265fa2e8 100644
--- a/drivers/input/joystick/db9.c
+++ b/drivers/input/joystick/db9.c
@@ -247,7 +247,7 @@ static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char
 			db9_saturn_write_sub(port, type, 3, powered, 0);
 			return data[0] = 0xe3;
 		}
-		/* fall through */
+		fallthrough;
 	default:
 		return data[0];
 	}
@@ -267,14 +267,14 @@ static int db9_saturn_report(unsigned char id, unsigned char data[60], struct in
 		switch (data[j]) {
 		case 0x16: /* multi controller (analog 4 axis) */
 			input_report_abs(dev, db9_abs[5], data[j + 6]);
-			/* fall through */
+			fallthrough;
 		case 0x15: /* mission stick (analog 3 axis) */
 			input_report_abs(dev, db9_abs[3], data[j + 4]);
 			input_report_abs(dev, db9_abs[4], data[j + 5]);
-			/* fall through */
+			fallthrough;
 		case 0x13: /* racing controller (analog 1 axis) */
 			input_report_abs(dev, db9_abs[2], data[j + 3]);
-			/* fall through */
+			fallthrough;
 		case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */
 		case 0x02: /* digital pad (digital 2 axis + buttons) */
 			input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64));
@@ -368,7 +368,7 @@ static void db9_timer(struct timer_list *t)
 			input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
 			input_report_abs(dev2, ABS_Y, (data & DB9_DOWN  ? 0 : 1) - (data & DB9_UP   ? 0 : 1));
 			input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1);
-			/* fall through */
+			fallthrough;
 
 		case DB9_MULTI_0802:
 
diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c
index e0a362be5812..88df68cc4ac6 100644
--- a/drivers/input/joystick/gamecon.c
+++ b/drivers/input/joystick/gamecon.c
@@ -485,7 +485,7 @@ static void gc_multi_process_packet(struct gc *gc)
 		switch (pad->type) {
 		case GC_MULTI2:
 			input_report_key(dev, BTN_THUMB, s & data[5]);
-			/* fall through */
+			fallthrough;
 
 		case GC_MULTI:
 			input_report_abs(dev, ABS_X,
@@ -638,7 +638,7 @@ static void gc_psx_report_one(struct gc_pad *pad, unsigned char psx_type,
 
 		input_report_key(dev, BTN_THUMBL, ~data[0] & 0x04);
 		input_report_key(dev, BTN_THUMBR, ~data[0] & 0x02);
-		/* fall through */
+		fallthrough;
 
 	case GC_PSX_NEGCON:
 	case GC_PSX_ANALOG:
@@ -872,7 +872,8 @@ static int gc_setup_pad(struct gc *gc, int idx, int pad_type)
 	case GC_SNES:
 		for (i = 4; i < 8; i++)
 			input_set_capability(input_dev, EV_KEY, gc_snes_btn[i]);
-		/* fall through */
+		fallthrough;
+
 	case GC_NES:
 		for (i = 0; i < 4; i++)
 			input_set_capability(input_dev, EV_KEY, gc_snes_btn[i]);
@@ -880,7 +881,8 @@ static int gc_setup_pad(struct gc *gc, int idx, int pad_type)
 
 	case GC_MULTI2:
 		input_set_capability(input_dev, EV_KEY, BTN_THUMB);
-		/* fall through */
+		fallthrough;
+
 	case GC_MULTI:
 		input_set_capability(input_dev, EV_KEY, BTN_TRIGGER);
 		/* fall through */
diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
index 1777e68c9f02..fac91ea14f17 100644
--- a/drivers/input/joystick/sidewinder.c
+++ b/drivers/input/joystick/sidewinder.c
@@ -656,16 +656,19 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
 
 			switch (i * m) {
 				case 60:
-					sw->number++;			/* fall through */
+					sw->number++;
+					fallthrough;
 				case 45:				/* Ambiguous packet length */
 					if (j <= 40) {			/* ID length less or eq 40 -> FSP */
 				case 43:
 						sw->type = SW_ID_FSP;
 						break;
 					}
-					sw->number++;			/* fall through */
+					sw->number++;
+					fallthrough;
 				case 30:
-					sw->number++;			/* fall through */
+					sw->number++;
+					fallthrough;
 				case 15:
 					sw->type = SW_ID_GP;
 					break;
@@ -681,9 +684,11 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
 						sw->type = SW_ID_PP;
 					break;
 				case 66:
-					sw->bits = 3;			/* fall through */
+					sw->bits = 3;
+					fallthrough;
 				case 198:
-					sw->length = 22;		/* fall through */
+					sw->length = 22;
+					fallthrough;
 				case 64:
 					sw->type = SW_ID_3DP;
 					if (j == 160)
diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
index cf7cbcd0c29d..429411c6c0a8 100644
--- a/drivers/input/joystick/spaceball.c
+++ b/drivers/input/joystick/spaceball.c
@@ -146,7 +146,7 @@ static irqreturn_t spaceball_interrupt(struct serio *serio,
 				break;
 			}
 			spaceball->escape = 0;
-			/* fall through */
+			fallthrough;
 		case 'M':
 		case 'Q':
 		case 'S':
@@ -154,7 +154,7 @@ static irqreturn_t spaceball_interrupt(struct serio *serio,
 				spaceball->escape = 0;
 				data &= 0x1f;
 			}
-			/* fall through */
+			fallthrough;
 		default:
 			if (spaceball->escape)
 				spaceball->escape = 0;
@@ -220,13 +220,13 @@ static int spaceball_connect(struct serio *serio, struct serio_driver *drv)
 			input_dev->keybit[BIT_WORD(BTN_A)] |= BIT_MASK(BTN_A) |
 				BIT_MASK(BTN_B) | BIT_MASK(BTN_C) |
 				BIT_MASK(BTN_MODE);
-			/* fall through */
+			fallthrough;
 		default:
 			input_dev->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_2) |
 				BIT_MASK(BTN_3) | BIT_MASK(BTN_4) |
 				BIT_MASK(BTN_5) | BIT_MASK(BTN_6) |
 				BIT_MASK(BTN_7) | BIT_MASK(BTN_8);
-			/* fall through */
+			fallthrough;
 		case SPACEBALL_3003C:
 			input_dev->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_1) |
 				BIT_MASK(BTN_8);
diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c
index e7d58e7f0257..eb0e9cd66bcb 100644
--- a/drivers/input/keyboard/adp5589-keys.c
+++ b/drivers/input/keyboard/adp5589-keys.c
@@ -1016,7 +1016,7 @@ static int adp5589_probe(struct i2c_client *client,
 	switch (id->driver_data) {
 	case ADP5585_02:
 		kpad->support_row5 = true;
-		/* fall through */
+		fallthrough;
 	case ADP5585_01:
 		kpad->is_adp5585 = true;
 		kpad->var = &const_adp5585;
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 6ec28265771d..edc613efc158 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -1241,7 +1241,7 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
 
 	case SERIO_8042_XL:
 		atkbd->translated = true;
-		/* Fall through */
+		fallthrough;
 
 	case SERIO_8042:
 		if (serio->write)
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 53c9ff338dea..f2d4e4daa818 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -574,7 +574,6 @@ static int gpio_keys_setup_key(struct platform_device *pdev,
 				IRQ_TYPE_EDGE_RISING : IRQ_TYPE_EDGE_FALLING;
 			break;
 		case EV_ACT_ANY:
-			/* fall through */
 		default:
 			/*
 			 * For other cases, we are OK letting suspend/resume
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index 305f0160506a..8a36d78fed63 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -68,7 +68,7 @@ static int ati_remote2_get_channel_mask(char *buffer,
 {
 	pr_debug("%s()\n", __func__);
 
-	return sprintf(buffer, "0x%04x", *(unsigned int *)kp->arg);
+	return sprintf(buffer, "0x%04x\n", *(unsigned int *)kp->arg);
 }
 
 static int ati_remote2_set_mode_mask(const char *val,
@@ -84,7 +84,7 @@ static int ati_remote2_get_mode_mask(char *buffer,
 {
 	pr_debug("%s()\n", __func__);
 
-	return sprintf(buffer, "0x%02x", *(unsigned int *)kp->arg);
+	return sprintf(buffer, "0x%02x\n", *(unsigned int *)kp->arg);
 }
 
 static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK;
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
index c09b9628ad34..e413801f0491 100644
--- a/drivers/input/misc/cm109.c
+++ b/drivers/input/misc/cm109.c
@@ -663,12 +663,8 @@ static const struct usb_device_id cm109_usb_table[] = {
 static void cm109_usb_cleanup(struct cm109_dev *dev)
 {
 	kfree(dev->ctl_req);
-	if (dev->ctl_data)
-		usb_free_coherent(dev->udev, USB_PKT_LEN,
-				  dev->ctl_data, dev->ctl_dma);
-	if (dev->irq_data)
-		usb_free_coherent(dev->udev, USB_PKT_LEN,
-				  dev->irq_data, dev->irq_dma);
+	usb_free_coherent(dev->udev, USB_PKT_LEN, dev->ctl_data, dev->ctl_dma);
+	usb_free_coherent(dev->udev, USB_PKT_LEN, dev->irq_data, dev->irq_dma);
 
 	usb_free_urb(dev->urb_irq);	/* parameter validation in core/urb */
 	usb_free_urb(dev->urb_ctl);	/* parameter validation in core/urb */
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index d8dbfc030d0f..08b9b5cdb943 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -335,7 +335,7 @@ static int ims_pcu_setup_gamepad(struct ims_pcu *pcu)
 err_free_mem:
 	input_free_device(input);
 	kfree(gamepad);
-	return -ENOMEM;
+	return error;
 }
 
 static void ims_pcu_destroy_gamepad(struct ims_pcu *pcu)
diff --git a/drivers/input/misc/iqs269a.c b/drivers/input/misc/iqs269a.c
index 6699eb160a0f..a348247d3d38 100644
--- a/drivers/input/misc/iqs269a.c
+++ b/drivers/input/misc/iqs269a.c
@@ -575,8 +575,7 @@ static int iqs269_parse_chan(struct iqs269_private *iqs269,
 
 		case IQS269_LOCAL_CAP_SIZE_GLOBAL_0pF5:
 			engine_a |= IQS269_CHx_ENG_A_LOCAL_CAP_SIZE;
-
-			/* fall through */
+			fallthrough;
 
 		case IQS269_LOCAL_CAP_SIZE_GLOBAL_ONLY:
 			engine_b |= IQS269_CHx_ENG_B_LOCAL_CAP_ENABLE;
@@ -731,14 +730,12 @@ static int iqs269_parse_chan(struct iqs269_private *iqs269,
 				iqs269->switches[i].code = val;
 				iqs269->switches[i].enabled = true;
 			}
-
-			/* fall through */
+			fallthrough;
 
 		case IQS269_CHx_HALL_INACTIVE:
 			if (iqs269->hall_enable)
 				break;
-
-			/* fall through */
+			fallthrough;
 
 		default:
 			iqs269->keycode[i * IQS269_NUM_CH + reg] = val;
@@ -1143,14 +1140,12 @@ static int iqs269_input_init(struct iqs269_private *iqs269)
 							    sw_code,
 							    state & BIT(j));
 				}
-
-				/* fall through */
+				fallthrough;
 
 			case IQS269_CHx_HALL_INACTIVE:
 				if (iqs269->hall_enable)
 					continue;
-
-				/* fall through */
+				fallthrough;
 
 			default:
 				if (keycode != KEY_RESERVED)
@@ -1273,14 +1268,12 @@ static int iqs269_report(struct iqs269_private *iqs269)
 					input_report_switch(iqs269->keypad,
 							    sw_code,
 							    state & BIT(j));
-
-				/* fall through */
+				fallthrough;
 
 			case IQS269_CHx_HALL_INACTIVE:
 				if (iqs269->hall_enable)
 					continue;
-
-				/* fall through */
+				fallthrough;
 
 			default:
 				input_report_key(iqs269->keypad, keycode,
diff --git a/drivers/input/misc/pwm-vibra.c b/drivers/input/misc/pwm-vibra.c
index 8ceaf7db2882..81e777a04b88 100644
--- a/drivers/input/misc/pwm-vibra.c
+++ b/drivers/input/misc/pwm-vibra.c
@@ -190,7 +190,7 @@ static int pwm_vibrator_probe(struct platform_device *pdev)
 
 	default:
 		dev_err(&pdev->dev, "Failed to request direction pwm: %d", err);
-		/* Fall through */
+		fallthrough;
 
 	case -EPROBE_DEFER:
 		return err;
diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c
index a1bba722b234..4ff5cd2a6d8d 100644
--- a/drivers/input/misc/xen-kbdfront.c
+++ b/drivers/input/misc/xen-kbdfront.c
@@ -124,7 +124,7 @@ static void xenkbd_handle_mt_event(struct xenkbd_info *info,
 	switch (mtouch->event_type) {
 	case XENKBD_MT_EV_DOWN:
 		input_mt_report_slot_state(info->mtouch, MT_TOOL_FINGER, true);
-		/* fall through */
+		fallthrough;
 
 	case XENKBD_MT_EV_MOTION:
 		input_report_abs(info->mtouch, ABS_MT_POSITION_X,
@@ -524,7 +524,7 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,
 	case XenbusStateClosed:
 		if (dev->state == XenbusStateClosed)
 			break;
-		/* fall through - Missed the backend's CLOSING state */
+		fallthrough;	/* Missed the backend's CLOSING state */
 	case XenbusStateClosing:
 		xenbus_frontend_closed(dev);
 		break;
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 34700eda0429..b067bfd2699c 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -1929,7 +1929,7 @@ static int alps_monitor_mode(struct psmouse *psmouse, bool enable)
 static int alps_absolute_mode_v6(struct psmouse *psmouse)
 {
 	u16 reg_val = 0x181;
-	int ret = -1;
+	int ret;
 
 	/* enter monitor mode, to write the register */
 	if (alps_monitor_mode(psmouse, true))
diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
index 3f06e8a495d8..bfa26651c0be 100644
--- a/drivers/input/mouse/appletouch.c
+++ b/drivers/input/mouse/appletouch.c
@@ -458,7 +458,7 @@ static int atp_status_check(struct urb *urb)
 				dev->info->datalen, dev->urb->actual_length);
 			dev->overflow_warned = true;
 		}
-		/* fall through */
+		fallthrough;
 	case -ECONNRESET:
 	case -ENOENT:
 	case -ESHUTDOWN:
diff --git a/drivers/input/mouse/cyapa_gen3.c b/drivers/input/mouse/cyapa_gen3.c
index 00e395dfc3d5..a0361f9325f8 100644
--- a/drivers/input/mouse/cyapa_gen3.c
+++ b/drivers/input/mouse/cyapa_gen3.c
@@ -1067,7 +1067,7 @@ static int cyapa_gen3_do_operational_check(struct cyapa *cyapa)
 			return error;
 		}
 
-	/* Fall through */
+		fallthrough;
 	case CYAPA_STATE_BL_IDLE:
 		/* Try to get firmware version in bootloader mode. */
 		cyapa_gen3_bl_query_data(cyapa);
@@ -1078,7 +1078,7 @@ static int cyapa_gen3_do_operational_check(struct cyapa *cyapa)
 			return error;
 		}
 
-	/* Fall through */
+		fallthrough;
 	case CYAPA_STATE_OP:
 		/*
 		 * Reading query data before going back to the full mode
diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c
index 7f012bfa2658..bb3a63d1268d 100644
--- a/drivers/input/mouse/cyapa_gen5.c
+++ b/drivers/input/mouse/cyapa_gen5.c
@@ -2554,7 +2554,7 @@ static int cyapa_gen5_do_operational_check(struct cyapa *cyapa)
 		}
 
 		cyapa->state = CYAPA_STATE_GEN5_APP;
-		/* fall through */
+		fallthrough;
 
 	case CYAPA_STATE_GEN5_APP:
 		/*
diff --git a/drivers/input/mouse/cyapa_gen6.c b/drivers/input/mouse/cyapa_gen6.c
index c1b524ab4623..7eba66fbef58 100644
--- a/drivers/input/mouse/cyapa_gen6.c
+++ b/drivers/input/mouse/cyapa_gen6.c
@@ -680,7 +680,7 @@ static int cyapa_gen6_operational_check(struct cyapa *cyapa)
 		}
 
 		cyapa->state = CYAPA_STATE_GEN6_APP;
-		/* fall through */
+		fallthrough;
 
 	case CYAPA_STATE_GEN6_APP:
 		/*
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index a9074ac9364f..c75b00c45d75 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -26,6 +26,8 @@
 
 #define ETP_CALIBRATE_MAX_LEN	3
 
+#define ETP_FEATURE_REPORT_MK	BIT(0)
+
 /* IAP Firmware handling */
 #define ETP_PRODUCT_ID_FORMAT_STRING	"%d.0"
 #define ETP_FW_NAME		"elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"
@@ -33,6 +35,8 @@
 #define ETP_FW_IAP_PAGE_ERR	(1 << 5)
 #define ETP_FW_IAP_INTF_ERR	(1 << 4)
 #define ETP_FW_PAGE_SIZE	64
+#define ETP_FW_PAGE_SIZE_128	128
+#define ETP_FW_PAGE_SIZE_512	512
 #define ETP_FW_SIGNATURE_SIZE	6
 
 struct i2c_client;
@@ -55,8 +59,9 @@ struct elan_transport_ops {
 	int (*get_baseline_data)(struct i2c_client *client,
 				 bool max_baseliune, u8 *value);
 
-	int (*get_version)(struct i2c_client *client, bool iap, u8 *version);
-	int (*get_sm_version)(struct i2c_client *client,
+	int (*get_version)(struct i2c_client *client, u8 pattern, bool iap,
+			   u8 *version);
+	int (*get_sm_version)(struct i2c_client *client, u8 pattern,
 			      u16 *ic_type, u8 *version, u8 *clickpad);
 	int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
 	int (*get_product_id)(struct i2c_client *client, u16 *id);
@@ -72,13 +77,18 @@ struct elan_transport_ops {
 	int (*iap_get_mode)(struct i2c_client *client, enum tp_mode *mode);
 	int (*iap_reset)(struct i2c_client *client);
 
-	int (*prepare_fw_update)(struct i2c_client *client);
-	int (*write_fw_block)(struct i2c_client *client,
+	int (*prepare_fw_update)(struct i2c_client *client, u16 ic_type,
+				 u8 iap_version);
+	int (*write_fw_block)(struct i2c_client *client, u16 fw_page_size,
 			      const u8 *page, u16 checksum, int idx);
 	int (*finish_fw_update)(struct i2c_client *client,
 				struct completion *reset_done);
 
-	int (*get_report)(struct i2c_client *client, u8 *report);
+	int (*get_report_features)(struct i2c_client *client, u8 pattern,
+				   unsigned int *features,
+				   unsigned int *report_len);
+	int (*get_report)(struct i2c_client *client, u8 *report,
+			  unsigned int report_len);
 	int (*get_pressure_adjustment)(struct i2c_client *client,
 				       int *adjustment);
 	int (*get_pattern)(struct i2c_client *client, u8 *pattern);
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 6291fb5fa015..c599e21a8478 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -50,12 +50,14 @@
 #define ETP_MAX_FINGERS		5
 #define ETP_FINGER_DATA_LEN	5
 #define ETP_REPORT_ID		0x5D
+#define ETP_REPORT_ID2		0x60	/* High precision report */
 #define ETP_TP_REPORT_ID	0x5E
 #define ETP_REPORT_ID_OFFSET	2
 #define ETP_TOUCH_INFO_OFFSET	3
 #define ETP_FINGER_DATA_OFFSET	4
 #define ETP_HOVER_INFO_OFFSET	30
-#define ETP_MAX_REPORT_LEN	34
+#define ETP_MK_DATA_OFFSET	33	/* For high precision reports */
+#define ETP_MAX_REPORT_LEN	39
 
 /* The main device structure */
 struct elan_tp_data {
@@ -85,11 +87,14 @@ struct elan_tp_data {
 	u8			sm_version;
 	u8			iap_version;
 	u16			fw_checksum;
+	unsigned int		report_features;
+	unsigned int		report_len;
 	int			pressure_adjustment;
 	u8			mode;
 	u16			ic_type;
 	u16			fw_validpage_count;
-	u16			fw_signature_address;
+	u16			fw_page_size;
+	u32			fw_signature_address;
 
 	bool			irq_wake;
 
@@ -100,8 +105,8 @@ struct elan_tp_data {
 	bool			middle_button;
 };
 
-static int elan_get_fwinfo(u16 ic_type, u16 *validpage_count,
-			   u16 *signature_address)
+static int elan_get_fwinfo(u16 ic_type, u8 iap_version, u16 *validpage_count,
+			   u32 *signature_address, u16 *page_size)
 {
 	switch (ic_type) {
 	case 0x00:
@@ -126,16 +131,37 @@ static int elan_get_fwinfo(u16 ic_type, u16 *validpage_count,
 	case 0x10:
 		*validpage_count = 1024;
 		break;
+	case 0x11:
+		*validpage_count = 1280;
+		break;
+	case 0x13:
+		*validpage_count = 2048;
+		break;
+	case 0x14:
+	case 0x15:
+		*validpage_count = 1024;
+		break;
 	default:
 		/* unknown ic type clear value */
 		*validpage_count = 0;
 		*signature_address = 0;
+		*page_size = 0;
 		return -ENXIO;
 	}
 
 	*signature_address =
 		(*validpage_count * ETP_FW_PAGE_SIZE) - ETP_FW_SIGNATURE_SIZE;
 
+	if ((ic_type == 0x14 || ic_type == 0x15) && iap_version >= 2) {
+		*validpage_count /= 8;
+		*page_size = ETP_FW_PAGE_SIZE_512;
+	} else if (ic_type >= 0x0D && iap_version >= 1) {
+		*validpage_count /= 2;
+		*page_size = ETP_FW_PAGE_SIZE_128;
+	} else {
+		*page_size = ETP_FW_PAGE_SIZE;
+	}
+
 	return 0;
 }
 
@@ -215,8 +241,13 @@ static int elan_query_product(struct elan_tp_data *data)
 	if (error)
 		return error;
 
-	error = data->ops->get_sm_version(data->client, &data->ic_type,
-					  &data->sm_version, &data->clickpad);
+	error = data->ops->get_pattern(data->client, &data->pattern);
+	if (error)
+		return error;
+
+	error = data->ops->get_sm_version(data->client, data->pattern,
+					  &data->ic_type, &data->sm_version,
+					  &data->clickpad);
 	if (error)
 		return error;
 
@@ -312,9 +343,9 @@ static int elan_initialize(struct elan_tp_data *data)
 static int elan_query_device_info(struct elan_tp_data *data)
 {
 	int error;
-	u16 ic_type;
 
-	error = data->ops->get_version(data->client, false, &data->fw_version);
+	error = data->ops->get_version(data->client, data->pattern, false,
+				       &data->fw_version);
 	if (error)
 		return error;
 
@@ -323,7 +354,8 @@ static int elan_query_device_info(struct elan_tp_data *data)
 	if (error)
 		return error;
 
-	error = data->ops->get_version(data->client, true, &data->iap_version);
+	error = data->ops->get_version(data->client, data->pattern,
+				       true, &data->iap_version);
 	if (error)
 		return error;
 
@@ -332,17 +364,16 @@ static int elan_query_device_info(struct el