diff options
| -rw-r--r-- | exynos4/exynos4210/liblights/lights.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/exynos4/exynos4210/liblights/lights.c b/exynos4/exynos4210/liblights/lights.c index c328f8b..6498eda 100644 --- a/exynos4/exynos4210/liblights/lights.c +++ b/exynos4/exynos4210/liblights/lights.c @@ -231,17 +231,18 @@ static int set_light_backlight(struct light_device_t* dev, struct light_state_t const* state) { - load_settings(); - int err = 0; + static int s_previous_brightness = -1; int brightness = rgb_to_brightness(state); pthread_mutex_lock(&g_lock); err = write_int(PANEL_FILE, brightness); #ifndef EXYNOS4210_TABLET - if (g_enable_touchlight == -1 || g_enable_touchlight > 0) - err = write_int(BUTTON_FILE, brightness > 0 ? 1 : 0); + if (!s_previous_brightness && (brightness > 0)) { + err = write_int(BUTTON_FILE, brightness > 0 ? 1 : 2); + s_previous_brightness = brightness; + } #endif pthread_mutex_unlock(&g_lock); |