Changeset 5371 for lm-sensors/trunk/kernel/chips/lm78.c

Timestamp:

10/22/08 18:25:11 (4 years ago)

Author:

khali

Message:

The LM78 detection is relatively weak, and sometimes recent Winbond
chips can be misdetected as an LM78. We have had repeated reports of
this happening. (Backport from Linux 2.6.)

Files:

• lm-sensors/trunk/kernel/chips/lm78.c (modified) (1 diff)

lm-sensors/trunk/kernel/chips/lm78.c

@@ -330 +330 @@
                     && (lm78_read_value(new_client, LM78_REG_I2C_ADDR) !=
                         address)) goto ERROR1;
+                /* Explicitly prevent the misdetection of Winbond chips */
+                i = lm78_read_value(new_client, 0x4f);
+                if (i == 0xa3 || i == 0x5c)
+                        goto ERROR1;
         }