w1: mxc_w1: Fix mxc_w1_ds2_reset_bus() return value

This patch fix mxc_w1_ds2_reset_bus() return value. According to i.MX reference manual, "presence status" reflected in the bit 6 of control register. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
git-mirror · Feb 28, 2014 · aea476b · aea476b
1 parent adffe4a
commit aea476b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
@@ -74,7 +74,7 @@ static u8 mxc_w1_ds2_reset_bus(void *data)
 
 		udelay(100);
 	}
-	return (reg_val >> 7) & 0x1;
+	return (reg_val >> 6) & 0x1;
 }
 
 /*