drivers/gpu/drm/display/drm_dp_helper.c

4588

if (!backlight_is_blank(bd)) {

drivers/gpu/drm/panel/panel-novatek-nt35560.c

159

if (backlight_is_blank(bl)) {

drivers/gpu/drm/panel/panel-sony-acx565akm.c

327

if (!backlight_is_blank(dev))

drivers/gpu/drm/panel/panel-widechips-ws2401.c

324

if (backlight_is_blank(bl)) {

drivers/hid/hid-appletb-bl.c

90

if (backlight_is_blank(bdev))

drivers/platform/loongarch/loongson-laptop.c

374

bool target_powered = !backlight_is_blank(bd);

drivers/platform/x86/compal-laptop.c

327

set_backlight_state(!backlight_is_blank(b));

drivers/staging/fbtft/fb_ssd1351.c

197

on = !backlight_is_blank(bd);

drivers/staging/fbtft/fbtft-core.c

139

if (!backlight_is_blank(bd))

drivers/video/backlight/jornada720_bl.c

57

if (backlight_is_blank(bd)) {

drivers/video/backlight/ktd2801-backlight.c

39

if (backlight_is_blank(bd)) {

drivers/video/backlight/lm3509_bl.c

67

en = !backlight_is_blank(bl);

drivers/video/backlight/omap1_bl.c

89

enable = !backlight_is_blank(dev);

drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c

362

if (!backlight_is_blank(dev)) {

include/linux/backlight.h

371

if (backlight_is_blank(bd))