mc13892: Extend event handling API.

Add functions to get the currently enabled events and to ascertain whether
certain event is masked on a provided event mask.

These functions will be used to mask/unmask events in suspend/resume.

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>

2 files changed, 24 insertions, 1 deletions

diff --git a/drivers/mxc/pmic/core/pmic_external.c b/drivers/mxc/pmic/core/pmic_external.c
index 0330e2475e64..b5047d63e7b5 100644
--- a/drivers/mxc/pmic/core/pmic_external.c
+++ b/drivers/mxc/pmic/core/pmic_external.c
@@ -262,9 +262,31 @@ unsigned int pmic_get_active_events(unsigned int *active_events)
 }
 EXPORT_SYMBOL(pmic_get_active_events);
 
+void pmic_get_enabled_events(unsigned int *enabled_events)
+{
+	enabled_events[0] = events_enabled0;
+	enabled_events[1] = events_enabled1;
+}
+EXPORT_SYMBOL(pmic_get_enabled_events);
+
 #define EVENT_MASK_0			0x387fff
 #define EVENT_MASK_1			0x1177ef
 
+int pmic_is_event_masked( unsigned int * event_mask , type_event event )
+{
+	unsigned int event_bit = 0;
+
+	if (event < EVENT_1HZI) {
+		event_bit = (1 << event);
+		return !(event_mask[0] & event_bit);
+	} else {
+		event -= 24;
+		event_bit = (1 << event);
+		return !(event_mask[1] & event_bit);
+	}
+}
+EXPORT_SYMBOL(pmic_is_event_masked);
+
 int pmic_event_unmask(type_event event)
 {
 	unsigned int event_mask = 0;
diff --git a/include/linux/pmic_external.h b/include/linux/pmic_external.h
index d704a5315c99..336c6fbaf254 100644
--- a/include/linux/pmic_external.h
+++ b/include/linux/pmic_external.h
@@ -505,7 +505,8 @@ PMIC_STATUS pmic_get_sensors(t_sensor_bits *sensor_bits);
 
 void pmic_event_callback(type_event event);
 void pmic_event_list_init(void);
-
+void pmic_get_enabled_events(unsigned int *enabled_events);
+int pmic_is_event_masked( unsigned int * event_mask , type_event event );
 unsigned int pmic_get_active_events(unsigned int *active_events);
 int pmic_event_mask(type_event event);
 int pmic_event_unmask(type_event event);