ab8500_btemp: Make ab8500_btemp_get* interfaces public

Make ab8500_btemp_get_temp interface public, export it and also export the
ab8500_btemp_get, ab8500_btemp_get_batctrl_temp interfaces, so that the
ab8500 hwmon driver can use them.

Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index a9486f1..d412d34 100644
--- a/drivers/power/ab8500_btemp.c
+++ b/drivers/power/ab8500_btemp.c
@@ -131,6 +131,7 @@
 
 	return btemp;
 }
+EXPORT_SYMBOL(ab8500_btemp_get);
 
 /**
  * ab8500_btemp_batctrl_volt_to_res() - convert batctrl voltage to resistance
@@ -815,7 +816,7 @@
  *
  * Returns battery temperature
  */
-static int ab8500_btemp_get_temp(struct ab8500_btemp *di)
+int ab8500_btemp_get_temp(struct ab8500_btemp *di)
 {
 	int temp = 0;
 
@@ -851,6 +852,7 @@
 	}
 	return temp;
 }
+EXPORT_SYMBOL(ab8500_btemp_get_temp);
 
 /**
  * ab8500_btemp_get_batctrl_temp() - get the temperature
@@ -862,6 +864,7 @@
 {
 	return btemp->bat_temp * 1000;
 }
+EXPORT_SYMBOL(ab8500_btemp_get_batctrl_temp);
 
 /**
  * ab8500_btemp_get_property() - get the btemp properties