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authorGary D <garyd9@gmail.com>2012-06-28 05:05:36 -0400
committerGary D <garyd9@gmail.com>2012-06-28 05:05:36 -0400
commit679d203f63c9c6c64825b2df0b0f005e4aaaeee4 (patch)
tree386f7ca68668c184d50247f77c234f5707087395
parentf2d31f2429158e5d7e62264e302a28cea327a5f1 (diff)
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fix keypad lighting up when screen backlight auto-adjusts
If the screen backlight was already lit and is just changing brightness, don't blindly illuminate the keypad Change-Id: If7473eb57aa4d48bc98a4bb42b9becc80764b1f8 Signed-off-by: Gary D <garyd9@gmail.com>
-rw-r--r--exynos4/exynos4x12/liblights/lights.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/exynos4/exynos4x12/liblights/lights.c b/exynos4/exynos4x12/liblights/lights.c
index 43801ff..de2f653 100644
--- a/exynos4/exynos4x12/liblights/lights.c
+++ b/exynos4/exynos4x12/liblights/lights.c
@@ -126,11 +126,15 @@ static int set_light_backlight(struct light_device_t *dev,
struct light_state_t const *state)
{
int err = 0;
+ status int s_previous_brightness = -1;
int brightness = rgb_to_brightness(state);
pthread_mutex_lock(&g_lock);
err = write_int(PANEL_FILE, brightness);
- err = write_int(BUTTON_FILE, brightness > 0 ? 1 : 2);
+ if (!s_previous_brightness && (brightness > 0)) {
+ err = write_int(BUTTON_FILE, brightness > 0 ? 1 : 2);
+ s_previous_brightness = brightness;
+ }
pthread_mutex_unlock(&g_lock);
return err;