Re: [PATCH] platform/x86: intel-hid: Add HP ProBook x360 440 G1 to button_array_table

[Ilpo Järvinen]

On Tue, 2 Jun 2026, Nikolay Metchev wrote:

> The HP ProBook x360 440 G1 convertible sends
>  5-button-array event codes
>  (0xc4/0xc5 volume-up, 0xc6/0xc7 volume-down for the
>  side volume rocker)
>  to the intel-hid ACPI device (INT33D5), but it does
>  not advertise the
>  array through the HEBC capability method. As a result
>  button_array_present() returns false, the "Intel HID
>  5 button array"
>  input device is never created, and the rocker events
>  are dropped in
>  notify_handler() with "intel-hid INT33D5:00: unknown
>  event 0xc4".
> 
>  Add the machine to button_array_table so the 5 button
>  array input
>  device is set up, which makes the side volume rocker
>  emit
>  KEY_VOLUMEUP / KEY_VOLUMEDOWN as expected.
> 
>  Tested on an HP ProBook x360 440 G1: with
>  enable_5_button_array=1
>  (same code path as this quirk) the kernel logs
>  "platform supports 5
>  button array" and the rocker generates native
>  KEY_VOLUMEUP /
>  KEY_VOLUMEDOWN events.
> 
>  Signed-off-by: Nikolay Metchev
>  <nikolaymetchev@xxxxxxxxx>

Please send the patch inline, not as an attachment.

-- 
 i.