Fix pine indicator leds paths for latest pmOS setup and add white (flash)

programs/sxmo_screenlock.c

@@ -19,7 +19,7 @@ static char * brightnessfile = "/sys/devices/platform/backlight/backlight/backli
 void updatepineled(int red, int brightness) {
     sprintf(
       pineledcommand, 
-      "sh -c 'echo %d > /sys/devices/platform/leds/leds/pinephone:%s:user/brightness'", 
+      "sh -c 'echo %d > /sys/class/leds/%s:indicator/brightness'",
       brightness, 
       red ? "red" : "blue"
     );

programs/sxmo_setpineled.c

@@ -4,13 +4,14 @@
 #include <unistd.h>
 
 void usage() {
-  fprintf(stderr, "Usage: setpineled [red|green|blue] [0-255]\n");
+  fprintf(stderr, "Usage: setpineled [red|green|blue|white] [0-255]\n");
 }
 
 int main(int argc, char *argv[]) {
   int brightness;
   char * color;
   char * command;
+  char * type;
 
   if (argc < 2) {
     usage();
@@ -25,17 +26,27 @@ int main(int argc, char *argv[]) {
   }
 
   color = argv[argc--];
-  if (strcmp(color, "red") && strcmp(color, "blue") && strcmp(color, "green")) {
+  if (
+    strcmp(color, "red") && 
+    strcmp(color, "blue") && 
+    strcmp(color, "green") &&
+    strcmp(color, "white")
+  ) {
     usage();
     return 1;
   }
 
+  if (!strcmp(color, "white")) {
+    type = "flash";
+  } else {
+    type = "indicator";
+  }
+
   command = malloc(80);
   sprintf(
     command,
-    "sh -c 'echo %d > /sys/devices/platform/leds/leds/pinephone:%s:user/brightness'",
-    brightness,
-    color
+    "sh -c 'echo %d > /sys/class/leds/%s:%s/brightness'",
+    brightness, color, type
   );
   if (setuid(0)) {
     fprintf(stderr, "setuid(0) failed\n");