dev_br 816 drivers/acpi/acpi_video.c struct acpi_video_device_brightness **dev_br, dev_br 913 drivers/acpi/acpi_video.c *dev_br = br; dev_br 66 include/acpi/video.h struct acpi_video_device_brightness **dev_br, dev_br 88 include/acpi/video.h struct acpi_video_device_brightness **dev_br,