Revert "liblight: Blank/unblank framebuffer on screen off/on"replicant-4.2-0004replicant-4.2-0003replicant-4.2-0002replicant-4.2

This reverts commit eec0d833d918145db1c81c28cd624b9cfc2b18f7.

1 files changed, 0 insertions, 45 deletions

diff --git a/liblight/lights.c b/liblight/lights.c
index 776b7d7..1dfcd8b 100644
--- a/liblight/lights.c
+++ b/liblight/lights.c
@@ -25,11 +25,9 @@
 #include <sys/types.h>
 #include <hardware/lights.h>
 #include <linux/leds-an30259a.h>
-#include <linux/fb.h>
 
 static pthread_once_t g_init = PTHREAD_ONCE_INIT;
 static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER;
-static int g_blanked = 0;
 
 char const *const LCD_FILE = "/sys/class/backlight/s6e8aa0/brightness";
 char const *const LED_FILE = "/dev/an30259a_leds";
@@ -82,39 +80,6 @@ static int rgb_to_brightness(struct light_state_t const *state)
 		+ (150*((color>>8) & 0x00ff)) + (29*(color & 0x00ff))) >> 8;
 }
 
-static int fb_blank(int blank)
-{
-	int fd = -1;
-	int rc;
-
-	fd = open("/dev/graphics/fb0", O_RDWR);
-	if (fd < 0) {
-		ALOGE("Opening framebuffer failed");
-		goto error;
-	}
-
-	if (blank)
-		rc = ioctl(fd, FBIOBLANK, FB_BLANK_POWERDOWN);
-	else
-		rc = ioctl(fd, FBIOBLANK, FB_BLANK_UNBLANK);
-	if (rc < 0) {
-		ALOGE("Blanking framebuffer failed");
-		goto error;
-	}
-
-	rc = 0;
-	goto complete;
-
-error:
-	rc = -1;
-
-complete:
-	if (fd >= 0)
-		close(fd);
-
-	return rc;
-}
-
 static int set_light_backlight(struct light_device_t *dev,
 			struct light_state_t const *state)
 {
@@ -124,16 +89,6 @@ static int set_light_backlight(struct light_device_t *dev,
 	pthread_mutex_lock(&g_lock);
 	err = write_int(LCD_FILE, brightness);
 
-	if (brightness == 0) {
-		err |= fb_blank(1);
-		ALOGD("Blanked frambuffer");
-		g_blanked = 1;
-	} else if (g_blanked) {
-		err |= fb_blank(0);
-		ALOGD("Unblanked frambuffer");
-		g_blanked = 0;
-	}
-
 	pthread_mutex_unlock(&g_lock);
 	return err;
 }