diff options
Diffstat (limited to 'liblight')
| -rw-r--r-- | liblight/lights.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/liblight/lights.c b/liblight/lights.c index ccfbe102..229777a3 100644 --- a/liblight/lights.c +++ b/liblight/lights.c @@ -1,5 +1,6 @@ /* * Copyright (C) 2008 The Android Open Source Project + * Copyright (C) 2014 The Linux Foundation. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -115,6 +116,9 @@ set_light_backlight(struct light_device_t* dev, { int err = 0; int brightness = rgb_to_brightness(state); + if(!dev) { + return -1; + } pthread_mutex_lock(&g_lock); err = write_int(LCD_FILE, brightness); pthread_mutex_unlock(&g_lock); @@ -125,12 +129,15 @@ static int set_speaker_light_locked(struct light_device_t* dev, struct light_state_t const* state) { - int len; - int alpha, red, green, blue; + int red, green, blue; int blink; int onMS, offMS; unsigned int colorRGB; + if(!dev) { + return -1; + } + switch (state->flashMode) { case LIGHT_FLASH_TIMED: onMS = state->flashOnMS; @@ -217,6 +224,9 @@ set_light_buttons(struct light_device_t* dev, struct light_state_t const* state) { int err = 0; + if(!dev) { + return -1; + } pthread_mutex_lock(&g_lock); err = write_int(BUTTON_FILE, state->color & 0xFF); pthread_mutex_unlock(&g_lock); |