Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/dtor/input.git manually

Some manual fixups required due to clashes with the PF_FREEZE cleanups.

1 files changed, 31 insertions, 21 deletions

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 7bf4be733e9a..a12e98158a75 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -30,10 +30,11 @@
 
 #define ALPS_DUALPOINT  0x01
 #define ALPS_WHEEL      0x02
-#define ALPS_FW_BK      0x04
+#define ALPS_FW_BK_1    0x04
 #define ALPS_4BTN       0x08
 #define ALPS_OLDPROTO   0x10
 #define ALPS_PASS       0x20
+#define ALPS_FW_BK_2    0x40
 
 static struct alps_model_info alps_model_data[] = {
         { { 0x33, 0x02, 0x0a }, 0x88, 0xf8, ALPS_OLDPROTO },            /* UMAX-530T */
@@ -43,11 +44,11 @@ static struct alps_model_info alps_model_data[] = {
         { { 0x63, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
         { { 0x63, 0x02, 0x28 }, 0xf8, 0xf8, 0 },
         { { 0x63, 0x02, 0x3c }, 0x8f, 0x8f, ALPS_WHEEL },               /* Toshiba Satellite S2400-103 */
-        { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK },               /* NEC Versa L320 */
+        { { 0x63, 0x02, 0x50 }, 0xef, 0xef, ALPS_FW_BK_1 },             /* NEC Versa L320 */
         { { 0x63, 0x02, 0x64 }, 0xf8, 0xf8, 0 },
         { { 0x63, 0x03, 0xc8 }, 0xf8, 0xf8, ALPS_PASS },                /* Dell Latitude D800 */
         { { 0x73, 0x02, 0x0a }, 0xf8, 0xf8, 0 },
-        { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, 0 },
+        { { 0x73, 0x02, 0x14 }, 0xf8, 0xf8, ALPS_FW_BK_2 },             /* Ahtec Laptop */
         { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */
         { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT },
         { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */
@@ -61,11 +62,11 @@ static struct alps_model_info alps_model_data[] = {
 
 /*
  * ALPS abolute Mode - new format
- * 
- * byte 0:  1    ?    ?    ?    1    ?    ?    ? 
+ *
+ * byte 0:  1    ?    ?    ?    1    ?    ?    ?
  * byte 1:  0   x6   x5   x4   x3   x2   x1   x0
  * byte 2:  0   x10  x9   x8   x7    ?  fin  ges
- * byte 3:  0   y9   y8   y7    1    M    R    L 
+ * byte 3:  0   y9   y8   y7    1    M    R    L
  * byte 4:  0   y6   y5   y4   y3   y2   y1   y0
  * byte 5:  0   z6   z5   z4   z3   z2   z1   z0
  *
@@ -81,11 +82,12 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
         struct input_dev *dev = &psmouse->dev;
         struct input_dev *dev2 = &priv->dev2;
         int x, y, z, ges, fin, left, right, middle;
+        int back = 0, forward = 0;
 
         input_regs(dev, regs);
 
         if ((packet[0] & 0xc8) == 0x08) {   /* 3-byte PS/2 packet */
-                input_report_key(dev2, BTN_LEFT,   packet[0] & 1);    
+                input_report_key(dev2, BTN_LEFT,   packet[0] & 1);
                 input_report_key(dev2, BTN_RIGHT,  packet[0] & 2);
                 input_report_key(dev2, BTN_MIDDLE, packet[0] & 4);
                 input_report_rel(dev2, REL_X,
@@ -112,6 +114,18 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
                 z = packet[5];
         }
 
+        if (priv->i->flags & ALPS_FW_BK_1) {
+                back = packet[2] & 4;
+                forward = packet[0] & 0x10;
+        }
+
+        if (priv->i->flags & ALPS_FW_BK_2) {
+                back = packet[3] & 4;
+                forward = packet[2] & 4;
+                if ((middle = forward && back))
+                        forward = back = 0;
+        }
+
         ges = packet[2] & 1;
         fin = packet[2] & 2;
 
@@ -155,13 +169,12 @@ static void alps_process_packet(struct psmouse *psmouse, struct pt_regs *regs)
         input_report_abs(dev, ABS_PRESSURE, z);
         input_report_key(dev, BTN_TOOL_FINGER, z > 0);
 
-
         if (priv->i->flags & ALPS_WHEEL)
                 input_report_rel(dev, REL_WHEEL, ((packet[0] >> 4) & 0x07) | ((packet[2] >> 2) & 0x08));
 
-        if (priv->i->flags & ALPS_FW_BK) {
-                input_report_key(dev, BTN_FORWARD, packet[0] & 0x10);
-                input_report_key(dev, BTN_BACK, packet[2] & 0x04);
+        if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
+                input_report_key(dev, BTN_FORWARD, forward);
+                input_report_key(dev, BTN_BACK, back);
         }
 
         input_sync(dev);
@@ -257,7 +270,6 @@ static struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *vers
 static int alps_passthrough_mode(struct psmouse *psmouse, int enable)
 {
         struct ps2dev *ps2dev = &psmouse->ps2dev;
-        unsigned char param[3];
         int cmd = enable ? PSMOUSE_CMD_SETSCALE21 : PSMOUSE_CMD_SETSCALE11;
 
         if (ps2_command(ps2dev, NULL, cmd) ||
@@ -267,7 +279,7 @@ static int alps_passthrough_mode(struct psmouse *psmouse, int enable)
                 return -1;
 
         /* we may get 3 more bytes, just ignore them */
-        ps2_command(ps2dev, param, 0x0300);
+        ps2_drain(ps2dev, 3, 100);
 
         return 0;
 }
@@ -425,7 +437,7 @@ int alps_init(struct psmouse *psmouse)
                 psmouse->dev.relbit[LONG(REL_WHEEL)] |= BIT(REL_WHEEL);
         }
 
-        if (priv->i->flags & ALPS_FW_BK) {
+        if (priv->i->flags & (ALPS_FW_BK_1 | ALPS_FW_BK_2)) {
                 psmouse->dev.keybit[LONG(BTN_FORWARD)] |= BIT(BTN_FORWARD);
                 psmouse->dev.keybit[LONG(BTN_BACK)] |= BIT(BTN_BACK);
         }
@@ -436,8 +448,8 @@ int alps_init(struct psmouse *psmouse)
         priv->dev2.id.bustype = BUS_I8042;
         priv->dev2.id.vendor = 0x0002;
         priv->dev2.id.product = PSMOUSE_ALPS;
-        priv->dev2.id.version = 0x0000; 
-        
+        priv->dev2.id.version = 0x0000;
+
         priv->dev2.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
         priv->dev2.relbit[LONG(REL_X)] |= BIT(REL_X) | BIT(REL_Y);
         priv->dev2.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
@@ -461,17 +473,15 @@ init_fail:
 int alps_detect(struct psmouse *psmouse, int set_properties)
 {
         int version;
-        struct alps_model_info *model; 
+        struct alps_model_info *model;
 
         if (!(model = alps_get_model(psmouse, &version)))
                 return -1;
 
         if (set_properties) {
                 psmouse->vendor = "ALPS";
-                if (model->flags & ALPS_DUALPOINT) 
-                        psmouse->name = "DualPoint TouchPad";
-                else
-                        psmouse->name = "GlidePoint";
+                psmouse->name = model->flags & ALPS_DUALPOINT ?
+                                "DualPoint TouchPad" : "GlidePoint";
                 psmouse->model = version;
         }
         return 0;