Symbol: S3C_FB_VSYNC_IRQ_EN
drivers/video/fbdev/s3c-fb.c
922
if (!test_and_set_bit(S3C_FB_VSYNC_IRQ_EN, &sfb->irq_flags)) {
drivers/video/fbdev/s3c-fb.c
947
if (test_and_clear_bit(S3C_FB_VSYNC_IRQ_EN, &sfb->irq_flags)) {