Confirmed in-person in Paris; the code is polling
/proc/acpi/sony/fn_key for a 16-bit mask that corresponds to the
hotkey-pressed and this needs turning into an evdev event.
The workaround for the brightness on these laptops is because the BIOS
always replies that the brightness is at level '7'; however the
hardware responds correctly when programmed with other values so a local
copy is kept of the display brightness, rather than querying the ACPI
routine.
** Changed in: hotkey-setup (Ubuntu)
Status: Unconfirmed => Confirmed
** Summary changed:
- New Sony Vaios hotkeys don't work
+ New Sony Vaios hotkeys don't work (fn_key polling)
--
New Sony Vaios hotkeys don't work (fn_key polling)
https://launchpad.net/bugs/50692
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