ab8500_bmdata: Export abx500_res_to_temp tables for hwmon

This patch exports the thermistor resistance-to-temperature tables, so
that the hwmon driver can access them, and also adds the corresponding
table size variables.

Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>

diff --git a/drivers/power/ab8500_bmdata.c b/drivers/power/ab8500_bmdata.c
index 3cdcdcf..d298645 100644 (file)
--- a/drivers/power/ab8500_bmdata.c
+++ b/drivers/power/ab8500_bmdata.c
@@ -11,7 +11,7 @@
  * Note that the res_to_temp table must be strictly sorted by falling resistance
  * values to work.
  */
-static const struct abx500_res_to_temp temp_tbl_a_thermistor[] = {
+const struct abx500_res_to_temp ab8500_temp_tbl_a_thermistor[] = {
        {-5, 53407},
        { 0, 48594},
        { 5, 43804},
@@ -28,8 +28,12 @@ static const struct abx500_res_to_temp temp_tbl_a_thermistor[] = {
        {60, 13437},
        {65, 12500},
 };
+EXPORT_SYMBOL(ab8500_temp_tbl_a_thermistor);
 
-static const struct abx500_res_to_temp temp_tbl_b_thermistor[] = {
+const int ab8500_temp_tbl_a_size = ARRAY_SIZE(ab8500_temp_tbl_a_thermistor);
+EXPORT_SYMBOL(ab8500_temp_tbl_a_size);
+
+const struct abx500_res_to_temp ab8500_temp_tbl_b_thermistor[] = {
        {-5, 200000},
        { 0, 159024},
        { 5, 151921},
@@ -46,6 +50,10 @@ static const struct abx500_res_to_temp temp_tbl_b_thermistor[] = {
        {60,  85461},
        {65,  82869},
 };
+EXPORT_SYMBOL(ab8500_temp_tbl_b_thermistor);
+
+const int ab8500_temp_tbl_b_size = ARRAY_SIZE(ab8500_temp_tbl_b_thermistor);
+EXPORT_SYMBOL(ab8500_temp_tbl_b_size);
 
 static const struct abx500_v_to_cap cap_tbl_a_thermistor[] = {
        {4171,  100},
@@ -230,8 +238,8 @@ static struct abx500_battery_type bat_type_thermistor[] = {
                .maint_b_chg_timer_h = 200,
                .low_high_cur_lvl = 300,
                .low_high_vol_lvl = 4000,
-               .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl_a_thermistor),
-               .r_to_t_tbl = temp_tbl_a_thermistor,
+               .n_temp_tbl_elements = ARRAY_SIZE(ab8500_temp_tbl_a_thermistor),
+               .r_to_t_tbl = ab8500_temp_tbl_a_thermistor,
                .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl_a_thermistor),
                .v_to_cap_tbl = cap_tbl_a_thermistor,
                .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),
@@ -258,8 +266,8 @@ static struct abx500_battery_type bat_type_thermistor[] = {
                .maint_b_chg_timer_h = 200,
                .low_high_cur_lvl = 300,
                .low_high_vol_lvl = 4000,
-               .n_temp_tbl_elements = ARRAY_SIZE(temp_tbl_b_thermistor),
-               .r_to_t_tbl = temp_tbl_b_thermistor,
+               .n_temp_tbl_elements = ARRAY_SIZE(ab8500_temp_tbl_b_thermistor),
+               .r_to_t_tbl = ab8500_temp_tbl_b_thermistor,
                .n_v_cap_tbl_elements = ARRAY_SIZE(cap_tbl_b_thermistor),
                .v_to_cap_tbl = cap_tbl_b_thermistor,
                .n_batres_tbl_elements = ARRAY_SIZE(temp_to_batres_tbl_thermistor),

diff --git a/include/linux/power/ab8500.h b/include/linux/power/ab8500.h
new file mode 100644 (file)
index 0000000..cdbb6c2
--- /dev/null
+++ b/include/linux/power/ab8500.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) ST-Ericsson 2013
+ * Author: Hongbo Zhang <hongbo.zhang@linaro.com>
+ * License terms: GNU General Public License v2
+ */
+
+#ifndef PWR_AB8500_H
+#define PWR_AB8500_H
+
+extern const struct abx500_res_to_temp ab8500_temp_tbl_a_thermistor[];
+extern const int ab8500_temp_tbl_a_size;
+
+extern const struct abx500_res_to_temp ab8500_temp_tbl_b_thermistor[];
+extern const int ab8500_temp_tbl_b_size;
+
+#endif /* PWR_AB8500_H */