101 static bool file_exists(const char *file)  in file_exists()  argument
105     fd = open(file, O_RDWR);  in file_exists()
107         ALOGE("failed to open %s, errno=%d\n", file, errno);  in file_exists()
171     char file[48];  in set_rgb_led_brightness()  local
173     snprintf(file, sizeof(file), "/sys/class/leds/%s/brightness", led_names[led]);  in set_rgb_led_brightness()
174     return write_int(file, brightness);  in set_rgb_led_brightness()
179     char file[48];  in set_rgb_led_timer_trigger()  local
182     snprintf(file, sizeof(file), "/sys/class/leds/%s/delay_off", led_names[led]);  in set_rgb_led_timer_trigger()
183     rc = write_int(file, offMS);  in set_rgb_led_timer_trigger()
187     snprintf(file, sizeof(file), "/sys/class/leds/%s/delay_on", led_names[led]);  in set_rgb_led_timer_trigger()
188     rc = write_int(file, onMS);  in set_rgb_led_timer_trigger()
200     char file[48];  in set_rgb_led_hw_blink()  local
202     snprintf(file, sizeof(file), "/sys/class/leds/%s/breath", led_names[led]);  in set_rgb_led_hw_blink()
203     if (!file_exists(file))  in set_rgb_led_hw_blink()
204         snprintf(file, sizeof(file), "/sys/class/leds/%s/blink", led_names[led]);  in set_rgb_led_hw_blink()
206     return write_int(file, blink);  in set_rgb_led_hw_blink()