hwmon: (w83627ehf) Fix temp2 source for W83627UHG

Properly set the source of temp2 for the W83627UHG. Also fix a
comment right before that, and document the W83627UHG as reporting up
to 3 temperatures.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

drivers/hwmon/w83627ehf.c

diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 3e1fa52..a658d62 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -39,7 +39,7 @@
 					       0x8860 0xa1
     w83627dhg    9      5       4       3      0xa020 0xc1    0x5ca3
     w83627dhg-p  9      5       4       3      0xb070 0xc1    0x5ca3
-    w83627uhg    8      2       2       2      0xa230 0xc1    0x5ca3
+    w83627uhg    8      2       2       3      0xa230 0xc1    0x5ca3
     w83667hg     9      5       3       3      0xa510 0xc1    0x5ca3
     w83667hg-b   9      5       3       4      0xb350 0xc1    0x5ca3
     nct6775f     9      4       3       9      0xb470 0xc1    0x5ca3
@@ -2158,16 +2158,16 @@
 		w83627ehf_set_temp_reg_ehf(data, 3);
 
 		/*
-		 * Temperature sources for temp1 and temp2 are selected with
+		 * Temperature sources for temp2 and temp3 are selected with
 		 * bank 0, registers 0x49 and 0x4a.
 		 */
 		data->temp_src[0] = 0;	/* SYSTIN */
 		reg = w83627ehf_read_value(data, 0x49) & 0x07;
 		/* Adjust to have the same mapping as other source registers */
 		if (reg == 0)
-			data->temp_src[1]++;
+			data->temp_src[1] = 1;
 		else if (reg >= 2 && reg <= 5)
-			data->temp_src[1] += 2;
+			data->temp_src[1] = reg + 2;
 		else	/* should never happen */
 			data->have_temp &= ~(1 << 1);
 		reg = w83627ehf_read_value(data, 0x4a);