From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Mon, 16 Mar 2015 16:12:56 +0000 (-0700)
Subject: Merge branch 'synaptics' into for-linus
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6067fe5e0bf29f525561c8281d01011cfc9ebbd4;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Merge branch 'synaptics' into for-linus

Bring in changes needed to properly handle Lenovo 2015 lineup.
---

6067fe5e0bf29f525561c8281d01011cfc9ebbd4
diff --cc drivers/input/mouse/synaptics.c
index f2cceb6493a0,ca7ca8d4eb33..c74bfa1c05e3
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@@ -603,8 -676,23 +671,20 @@@ static void synaptics_parse_agm(const u
  	default:
  		break;
  	}
 -
 -	/* Record that at least one AGM has been received since last SGM */
 -	priv->agm_pending = true;
  }
  
+ static void synaptics_parse_ext_buttons(const unsigned char buf[],
+ 					struct synaptics_data *priv,
+ 					struct synaptics_hw_state *hw)
+ {
+ 	unsigned int ext_bits =
+ 		(SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) + 1) >> 1;
+ 	unsigned int ext_mask = GENMASK(ext_bits - 1, 0);
+ 
+ 	hw->ext_buttons = buf[4] & ext_mask;
+ 	hw->ext_buttons |= (buf[5] & ext_mask) << ext_bits;
+ }
+ 
  static bool is_forcepad;
  
  static int synaptics_parse_hw_state(const unsigned char buf[],
@@@ -792,13 -903,25 +895,12 @@@ static void synaptics_report_buttons(st
  		input_report_key(dev, BTN_BACK, hw->down);
  	}
  
- 	for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++)
- 		input_report_key(dev, BTN_0 + i, hw->ext_buttons & (1 << i));
+ 	synaptics_report_ext_buttons(psmouse, hw);
  }
  
 -static void synaptics_report_slot(struct input_dev *dev, int slot,
 -				  const struct synaptics_hw_state *hw)
 -{
 -	input_mt_slot(dev, slot);
 -	input_mt_report_slot_state(dev, MT_TOOL_FINGER, (hw != NULL));
 -	if (!hw)
 -		return;
 -
 -	input_report_abs(dev, ABS_MT_POSITION_X, hw->x);
 -	input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(hw->y));
 -	input_report_abs(dev, ABS_MT_PRESSURE, hw->z);
 -}
 -
  static void synaptics_report_mt_data(struct psmouse *psmouse,
 -				     struct synaptics_mt_state *mt_state,
 -				     const struct synaptics_hw_state *sgm)
 +				     const struct synaptics_hw_state *sgm,
 +				     int num_fingers)
  {
  	struct input_dev *dev = psmouse->dev;
  	struct synaptics_data *priv = psmouse->private;
diff --cc drivers/input/mouse/synaptics.h
index aedc3299b14e,f39539c70219..ee4bd0d12b26
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@@ -156,7 -196,11 +183,8 @@@ struct synaptics_data 
  	bool disable_gesture;			/* disable gestures */
  
  	struct serio *pt_port;			/* Pass-through serio port */
+ 	unsigned char pt_buttons;		/* Pass-through buttons */
  
 -	struct synaptics_mt_state mt_state;	/* Current mt finger state */
 -	bool mt_state_lost;			/* mt_state may be incorrect */
 -
  	/*
  	 * Last received Advanced Gesture Mode (AGM) packet. An AGM packet
  	 * contains position data for a second contact, at half resolution.