No, there is no. Only the /sys/class/backlight/panasonic/ directory is present. Cristopher On Tue, Jan 4, 2011 at 5:33 AM, Matthew Garrett <mjg59@srcf.ucam.org> wrote: > Is there a /sys/class/backlight/acpi_video0 directory as well as the > Panasonic one? > > -- > Matthew Garrett | mjg59@srcf.ucam.org >