Lines Matching refs:backlight
48 static struct wsdisplay_param backlight;
62 { "backlight", &backlight.curval, FMT_UINT, 0 },
93 if (field_by_value(&backlight.curval)->flags & FLG_GET) {
94 backlight.param = WSDISPLAYIO_PARAM_BACKLIGHT;
95 if (ioctl(fd, WSDISPLAYIO_GETPARAM, &backlight) < 0)
96 field_disable_by_value(&backlight.curval);
176 if (field_by_value(&backlight.curval)->flags & FLG_SET) {
177 backlight.param = WSDISPLAYIO_PARAM_BACKLIGHT;
178 if (ioctl(fd, WSDISPLAYIO_SETPARAM, &backlight) < 0)
180 pr_field(field_by_value(&backlight.curval), " -> ");