1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/misc/ti-st/st_ll.c b/drivers/misc/ti-st/st_ll.c
index 3f2495138855..1ff460a8e9c7 100644
--- a/drivers/misc/ti-st/st_ll.c
+++ b/drivers/misc/ti-st/st_ll.c
@@ -22,6 +22,7 @@
 #define pr_fmt(fmt) "(stll) :" fmt
 #include <linux/skbuff.h>
 #include <linux/module.h>
+#include <linux/platform_device.h>
 #include <linux/ti_wilink_st.h>
 
 /**********************************************************************/
@@ -37,6 +38,9 @@ static void send_ll_cmd(struct st_data_s *st_data,
 
 static void ll_device_want_to_sleep(struct st_data_s *st_data)
 {
+        struct kim_data_s       *kim_data;
+        struct ti_st_plat_data  *pdata;
+
         pr_debug("%s", __func__);
         /* sanity check */
         if (st_data->ll_state != ST_LL_AWAKE)
@@ -46,10 +50,19 @@ static void ll_device_want_to_sleep(struct st_data_s *st_data)
         send_ll_cmd(st_data, LL_SLEEP_ACK);
         /* update state */
         st_data->ll_state = ST_LL_ASLEEP;
+
+        /* communicate to platform about chip asleep */
+        kim_data = st_data->kim_data;
+        pdata = kim_data->kim_pdev->dev.platform_data;
+        if (pdata->chip_asleep)
+                pdata->chip_asleep(NULL);
 }
 
 static void ll_device_want_to_wakeup(struct st_data_s *st_data)
 {
+        struct kim_data_s       *kim_data;
+        struct ti_st_plat_data  *pdata;
+
         /* diff actions in diff states */
         switch (st_data->ll_state) {
         case ST_LL_ASLEEP:
@@ -70,6 +83,12 @@ static void ll_device_want_to_wakeup(struct st_data_s *st_data)
         }
         /* update state */
         st_data->ll_state = ST_LL_AWAKE;
+
+        /* communicate to platform about chip wakeup */
+        kim_data = st_data->kim_data;
+        pdata = kim_data->kim_pdev->dev.platform_data;
+        if (pdata->chip_asleep)
+                pdata->chip_awake(NULL);
 }
 
 /**********************************************************************/