power: check governor is ondemand

dazjo · Feb 16, 2013 · c9c3bbc · c9c3bbc
1 parent 24e5b29
commit c9c3bbc
Showing 1 changed file with 11 additions and 4 deletions.
diff --git a/power/power.c b/power/power.c
@@ -178,13 +178,21 @@ static void cm_power_hint(struct power_module *module, power_hint_t hint,
 
 static void cm_power_set_interactive(struct power_module *module, int on)
 {
-    sysfs_write(SAMPLING_RATE_ONDEMAND,
-            on ? SAMPLING_RATE_SCREEN_ON : SAMPLING_RATE_SCREEN_OFF);
+    char governor[80];
+    if (strncmp(governor, "ondemand", 8) == 0)
+        sysfs_write(SAMPLING_RATE_ONDEMAND,
+                on ? SAMPLING_RATE_SCREEN_ON : SAMPLING_RATE_SCREEN_OFF);
+    else
+        ALOGV("Skipping sysfs_write to sampling_rate -- NOT using ondemand");
 }
 
 static void cm_power_init(struct power_module *module)
 {
-    sysfs_write(SAMPLING_RATE_ONDEMAND, SAMPLING_RATE_SCREEN_ON);
+    char governor[80];
+    if (strncmp(governor, "ondemand", 8) == 0)
+        sysfs_write(SAMPLING_RATE_ONDEMAND, SAMPLING_RATE_SCREEN_ON);
+    else
+        ALOGV("Skipping sysfs_write to sampling_rate -- NOT using ondemand");
 }
 
 static struct hw_module_methods_t power_module_methods = {
@@ -211,4 +219,3 @@ struct cm_power_module HAL_MODULE_INFO_SYM = {
     boostpulse_fd: -1,
     boostpulse_warned: 0,
 };
-