platform/x86: dell-ddv: Warn if ePPID has a suspicious length
On some systems (like the Dell Inspiron 3505), the acpi operation region holding the ePPID string is two bytes too short, causing acpi functions like ToString() to omit the last two bytes. This does not happen on Windows, supposedly due to their implementation of ToString() ignoring buffer boundaries. Inform users if the ePPID length differs from the Dell specification so they can complain to Dell to fix their BIOS. Tested on a Dell Inspiron 3505. Signed-off-by:Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20221102212336.380257-2-W_Armin@gmx.deReviewed-by:
Hans de Goede <hdegoede@redhat.com> Signed-off-by:
Hans de Goede <hdegoede@redhat.com>
Showing
Please register or sign in to comment