commit 8b021cfacef931eea3418aea3e081adaffa85574
author Saurabh Shah <saurshah@codeaurora.org> Tue Mar 14 12:16:43 2017 -0700
committer Saurabh Shah <saurshah@codeaurora.org> Wed Mar 15 19:37:41 2017 -0700
tree 39b03f2fa88d23a02c2eb64dff9dd68eb5977b18
parent fcaabf2dee8f442efc0493051fb829652736ca82

lights/sdm: Add support for new brightness node

Add support for the new brightness node under
/sys/class/backlight/panel0-backlight/brightness

Change-Id: I6489c6e3796b3f455b1aef3caae84da307e554e4
CRs-fixed: 1114808

liblight/lights.c

diff --git a/liblight/lights.c b/liblight/lights.c
index d63cc67..3b5068c 100644
--- a/liblight/lights.c
+++ b/liblight/lights.c
@@ -61,6 +61,9 @@
 char const*const LCD_FILE
         = "/sys/class/leds/lcd-backlight/brightness";
 
+char const*const LCD_FILE2
+        = "/sys/class/backlight/panel0-backlight/brightness";
+
 char const*const BUTTON_FILE
         = "/sys/class/leds/button-backlight/brightness";
 
@@ -151,7 +154,11 @@
     g_last_backlight_mode = state->brightnessMode;
 
     if (!err) {
-        err = write_int(LCD_FILE, brightness);
+        if (!access(LCD_FILE, F_OK)) {
+            err = write_int(LCD_FILE, brightness);
+        } else {
+            err = write_int(LCD_FILE2, brightness);
+        }
     }
 
     pthread_mutex_unlock(&g_lock);