From 958f1b4927f78888081556ae8381a375d0e6e8c7 Mon Sep 17 00:00:00 2001
From: Kevin Cernekee <cernekee@gmail.com>
Date: Wed, 13 Feb 2013 22:19:01 -0800
Subject: [PATCH] --- yaml --- r: 350699 b: refs/heads/master c:
 24ba9707829818daab711eed7e41313d5e56d0b4 h: refs/heads/master i:   350697:
 f71021326c3eca4be7f2f63c8935483b501dfa79   350695:
 a8a9f277a5d6026fd739458e745e92c405cbf85a v: v3

---
 [refs]                           |  2 +-
 trunk/drivers/input/mouse/alps.c | 71 ++++++++++++++------------------
 2 files changed, 31 insertions(+), 42 deletions(-)

diff --git a/[refs] b/[refs]
index a53d9a078038..c99d747612c1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2e992cc030d8e4e42632bcc9e16605e629886778
+refs/heads/master: 24ba9707829818daab711eed7e41313d5e56d0b4
diff --git a/trunk/drivers/input/mouse/alps.c b/trunk/drivers/input/mouse/alps.c
index c473549c33bd..1ca854b0b012 100644
--- a/trunk/drivers/input/mouse/alps.c
+++ b/trunk/drivers/input/mouse/alps.c
@@ -964,24 +964,42 @@ static int alps_command_mode_write_reg(struct psmouse *psmouse, int addr,
 	return __alps_command_mode_write_reg(psmouse, value);
 }
 
+static int alps_rpt_cmd(struct psmouse *psmouse, int init_command,
+			int repeated_command, unsigned char *param)
+{
+	struct ps2dev *ps2dev = &psmouse->ps2dev;
+
+	param[0] = 0;
+	if (init_command && ps2_command(ps2dev, param, init_command))
+		return -EIO;
+
+	if (ps2_command(ps2dev,  NULL, repeated_command) ||
+	    ps2_command(ps2dev,  NULL, repeated_command) ||
+	    ps2_command(ps2dev,  NULL, repeated_command))
+		return -EIO;
+
+	param[0] = param[1] = param[2] = 0xff;
+	if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
+		return -EIO;
+
+	psmouse_dbg(psmouse, "%2.2X report: %2.2x %2.2x %2.2x\n",
+		    repeated_command, param[0], param[1], param[2]);
+	return 0;
+}
+
 static int alps_enter_command_mode(struct psmouse *psmouse,
 				   unsigned char *resp)
 {
 	unsigned char param[4];
-	struct ps2dev *ps2dev = &psmouse->ps2dev;
 
-	if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
-	    ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
-	    ps2_command(ps2dev, NULL, PSMOUSE_CMD_RESET_WRAP) ||
-	    ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO)) {
+	if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_RESET_WRAP, param)) {
 		psmouse_err(psmouse, "failed to enter command mode\n");
 		return -1;
 	}
 
 	if (param[0] != 0x88 && param[1] != 0x07) {
 		psmouse_dbg(psmouse,
-			    "unknown response while entering command mode: %2.2x %2.2x %2.2x\n",
-			    param[0], param[1], param[2]);
+			    "unknown response while entering command mode\n");
 		return -1;
 	}
 
@@ -1041,18 +1059,10 @@ static int alps_absolute_mode_v1_v2(struct psmouse *psmouse)
 
 static int alps_get_status(struct psmouse *psmouse, char *param)
 {
-	struct ps2dev *ps2dev = &psmouse->ps2dev;
-
 	/* Get status: 0xF5 0xF5 0xF5 0xE9 */
-	if (ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
-	    ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
-	    ps2_command(ps2dev, NULL, PSMOUSE_CMD_DISABLE) ||
-	    ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
+	if (alps_rpt_cmd(psmouse, 0, PSMOUSE_CMD_DISABLE, param))
 		return -1;
 
-	psmouse_dbg(psmouse, "Status: %2.2x %2.2x %2.2x",
-		    param[0], param[1], param[2]);
-
 	return 0;
 }
 
@@ -1443,7 +1453,6 @@ static int alps_hw_init(struct psmouse *psmouse)
 
 static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int *version)
 {
-	struct ps2dev *ps2dev = &psmouse->ps2dev;
 	static const unsigned char rates[] = { 0, 10, 20, 40, 60, 80, 100, 200 };
 	unsigned char param[4];
 	const struct alps_model_info *model = NULL;
@@ -1455,20 +1464,10 @@ static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int
 	 * The bits 0-2 of the first byte will be 1s if some buttons are
 	 * pressed.
 	 */
-	param[0] = 0;
-	if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) ||
-	    ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11) ||
-	    ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11) ||
-	    ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE11))
-		return NULL;
-
-	param[0] = param[1] = param[2] = 0xff;
-	if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
+	if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, PSMOUSE_CMD_SETSCALE11,
+			 param))
 		return NULL;
 
-	psmouse_dbg(psmouse, "E6 report: %2.2x %2.2x %2.2x",
-		    param[0], param[1], param[2]);
-
 	if ((param[0] & 0xf8) != 0 || param[1] != 0 ||
 	    (param[2] != 10 && param[2] != 100))
 		return NULL;
@@ -1477,20 +1476,10 @@ static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int
 	 * Now try "E7 report". Allowed responses are in
 	 * alps_model_data[].signature
 	 */
-	param[0] = 0;
-	if (ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES) ||
-	    ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE21) ||
-	    ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE21) ||
-	    ps2_command(ps2dev,  NULL, PSMOUSE_CMD_SETSCALE21))
-		return NULL;
-
-	param[0] = param[1] = param[2] = 0xff;
-	if (ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO))
+	if (alps_rpt_cmd(psmouse, PSMOUSE_CMD_SETRES, PSMOUSE_CMD_SETSCALE21,
+			 param))
 		return NULL;
 
-	psmouse_dbg(psmouse, "E7 report: %2.2x %2.2x %2.2x",
-		    param[0], param[1], param[2]);
-
 	if (version) {
 		for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++)
 			/* empty */;