Re: [PATCH v15 0/2] Lenovo Yoga Book 9 keyboard dock detection

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On Tue, 28 Jul 2026, Dave Carey wrote:

> Changes in v15 (addressing Ilpo J=E4rvinen's v14 review of patch 2/2):
>=20
>   - yb9_kbdock_notify_new(): restore .min_event_size =3D sizeof(__le32) i=
n
>     struct wmi_driver and remove the manual buffer-length check; the
>     .min_event_size field was present in v12/v13 (added in v10) but was
>     accidentally dropped in v14.
>=20
> Patch 1/2 (lenovo-ymc) is unchanged from v10.

Thanks for all the effort. I've now applied this to the review-ilpo-next=20
branch with Hans' reviewed by tag reinstanted as that too seemed to have=20
gotten lost.

--
 i.

> Changes in v14 (addressing Ilpo J=E4rvinen's v13 review of patch 2/2):
>=20
>   - Restore #include <linux/compiler_attributes.h> and <linux/spinlock.h>=
,
>     which were accidentally absent from v13.
>   - Restore spinlock_t lock in struct yb9_kbdock_data, spin_lock_init(),
>     and spin_lock/spin_unlock around input_report_switch + input_sync
>     in yb9_kbdock_report().
>   - Restore pointer-out yb9_kbdock_query(d, u32 *bkbd) and removal of
>     zero-initializer from struct wmi_buffer out.
>   - Restore int return from yb9_kbdock_sync() and error propagation in
>     yb9_kbdock_resume() and yb9_kbdock_block_probe().
>=20
> Changes in v13:
>=20
>   - Resend of v12: v12 was corrupted in transit.  Root cause: the ABI
>     documentation uses RST table separator lines (=3D=3D  =3D=3D=3D=3D...=
) which
>     contain '=3D' characters; git-send-email selected quoted-printable
>     transfer encoding due to non-ASCII in the changelog (UTF-8 author
>     name), encoding '=3D' as '=3D3D' and breaking git-am on the receiving
>     end.  Fixed by setting sendemail.transferEncoding=3D8bit.  No content
>     changes from v12.
>=20
> Changes in v12 (addressing Ilpo J=E4rvinen's v11 review of patch 2/2):
>=20
>   - Add #include <linux/sysfs.h> (for sysfs_emit)
>   - Add #include <linux/types.h> (for __le32 and __packed)
>=20
> Changes in v11 (addressing Armin Wolf's v10 review of patch 2/2):
>=20
>   - ABI doc: correct Date to "June 2027" and KernelVersion to "7.3";
>     these fields should reflect when the ABI lands in the kernel, not
>     the submission date.
>=20
> Patch 1/2 (lenovo-ymc) is unchanged from v10.
>=20
> Changes in v10 (addressing Armin Wolf's v9 review of patch 2/2):
>=20
>   - Update ABI doc: Date: June 2026, KernelVersion: 6.16
>   - Add #include <linux/compiler_attributes.h> and <linux/types.h>
>   - yb9_kbdock_query(): change return to pointer-out u32 *bkbd to avoid
>     a 0xFFFFFFFF status value being misread as -EPERM
>   - struct yb9_kbdock_data: add spinlock_t lock
>   - yb9_kbdock_report(): hold lock across input_report_switch + input_syn=
c
>   - yb9_kbdock_sync(): return int, propagate query error to callers
>   - yb9_kbdock_resume(), yb9_kbdock_block_probe(): propagate sync error
>   - struct wmi_buffer out: remove zero-initializer (not needed)
>   - yb9_kbdock_notify_new(): drop manual length check; use
>     .min_event_size =3D sizeof(__le32) in struct wmi_driver instead
>=20
> Patch 1/2 (lenovo-ymc) is unchanged from v9.
>=20
> Dave Carey (2):
>   platform/x86/lenovo: lenovo-ymc: Suppress probe on Yoga Book 9 14IAH10
>   platform/x86/lenovo: Add Yoga Book 9 keyboard dock detection driver
>=20
>  Documentation/ABI/testing/sysfs-driver-lenovo-yb9-kbdock |  19 ++
>  MAINTAINERS                                               |   7 +
>  drivers/platform/x86/lenovo/Kconfig                       |  14 +
>  drivers/platform/x86/lenovo/Makefile                      |   1 +
>  drivers/platform/x86/lenovo/yb9-kbdock.c                  | 323 ++++++++=
++++
>  drivers/platform/x86/lenovo/ymc.c                         |  19 ++
>  6 files changed, 383 insertions(+)
>=20
> 2.55.0
>=20

--=20
 i.
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