More verbose debug in w83781d detection

@@ -1062,6 +1062,9 @@
 	
 	if (is_isa)
 		if (!request_region(address, W83781D_EXTENT, "w83781d")) {
+			dev_dbg(&adapter->dev, "Request of region "
+				"0x%x-0x%x for w83781d failed\n", address,
+				address + W83781D_EXTENT - 1);
 			err = -EBUSY;
 			goto ERROR0;
 		}

@@ -1075,15 +1078,11 @@
 			/* We need the timeouts for at least some LM78-like
 			   chips. But only if we read 'undefined' registers. */
 			i = inb_p(address + 1);
-			if (inb_p(address + 2) != i) {
-				err = -ENODEV;
-				goto ERROR1;
-			}
-			if (inb_p(address + 3) != i) {
-				err = -ENODEV;
-				goto ERROR1;
-			}
-			if (inb_p(address + 7) != i) {
+			if (inb_p(address + 2) != i
+			 || inb_p(address + 3) != i
+			 || inb_p(address + 7) != i) {
+				dev_dbg(&adapter->dev, "Detection of w83781d "
+					"chip failed at step 1\n");
 				err = -ENODEV;
 				goto ERROR1;
 			}

@@ -1092,8 +1091,13 @@
 			/* Let's just hope nothing breaks here */
 			i = inb_p(address + 5) & 0x7f;
 			outb_p(~i & 0x7f, address + 5);
-			if ((inb_p(address + 5) & 0x7f) != (~i & 0x7f)) {
+			val2 = inb_p(address + 5) & 0x7f;
+			if (val2 != (~i & 0x7f)) {
 				outb_p(i, address + 5);
+				dev_dbg(&adapter->dev, "Detection of w83781d "
+					"chip failed at step 2 (0x%x != "
+					"0x%x at 0x%x)\n", val2, ~i & 0x7f,
+					address + 5);
 				err = -ENODEV;
 				goto ERROR1;
 			}

@@ -1125,7 +1129,9 @@
 	   force_*=... parameter, and the Winbond will be reset to the right
 	   bank. */
 	if (kind < 0) {
-		if (w83781d_read_value(new_client, W83781D_REG_CONFIG) & 0x80){
+		if (w83781d_read_value(new_client, W83781D_REG_CONFIG) & 0x80) {
+			dev_dbg(&new_client->dev, "Detection failed at step "
+				"3\n");
 			err = -ENODEV;
 			goto ERROR2;
 		}

@@ -1135,6 +1141,8 @@
 		if ((!(val1 & 0x07)) &&
 		    (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3))
 		     || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) {
+			dev_dbg(&new_client->dev, "Detection failed at step "
+				"4\n");
 			err = -ENODEV;
 			goto ERROR2;
 		}

@@ -1144,6 +1152,8 @@
 				  ((val1 & 0x80) && (val2 = 0x5c)))) {
 			if (w83781d_read_value
 			    (new_client, W83781D_REG_I2C_ADDR) != address) {
+				dev_dbg(&new_client->dev, "Detection failed "
+					"at step 5\n");
 				err = -ENODEV;
 				goto ERROR2;
 			}

@@ -1166,6 +1176,8 @@
 		else if (val2 = 0x12)
 			vendid = asus;
 		else {
+			dev_dbg(&new_client->dev, "Chip was made by neither "
+				"Winbond nor Asus?\n");
 			err = -ENODEV;
 			goto ERROR2;
 		}

@@ -1186,10 +1198,10 @@
 			kind = w83697hf;
 		else {
 			if (kind = 0)
-				dev_warn(&new_client->dev,
-				       "Ignoring 'force' parameter for unknown chip at"
-				       "adapter %d, address 0x%02x\n",
-				       i2c_adapter_id(adapter), address);
+				dev_warn(&new_client->dev, "Ignoring 'force' "
+					 "parameter for unknown chip at "
+					 "adapter %d, address 0x%02x\n",
+					 i2c_adapter_id(adapter), address);
 			err = -EINVAL;
 			goto ERROR2;
 		}