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Wed, 22 Jul 2026 13:17:06 -0700 (PDT) From: Dave Carey To: platform-driver-x86@vger.kernel.org Cc: hdegoede@redhat.com, W_Armin@gmx.de, ilpo.jarvinen@linux.intel.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Dave Carey Subject: [PATCH v14 0/2] Lenovo Yoga Book 9 keyboard dock detection Date: Wed, 22 Jul 2026 16:16:57 -0400 Message-ID: <20260722201659.874469-1-carvsdriver@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Changes in v14 (addressing Ilpo Järvinen's v13 review of patch 2/2): - Restore #include and , 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(). Changes in v13: - Resend of v12: v12 was corrupted in transit. Root cause: the ABI documentation uses RST table separator lines (== ====...) which contain '=' characters; git-send-email selected quoted-printable transfer encoding due to non-ASCII in the changelog (UTF-8 author name), encoding '=' as '=3D' and breaking git-am on the receiving end. Fixed by setting sendemail.transferEncoding=8bit. No content changes from v12. Changes in v12 (addressing Ilpo Järvinen's v11 review of patch 2/2): - Add #include (for sysfs_emit) - Add #include (for __le32 and __packed) Changes in v11 (addressing Armin Wolf's v10 review of patch 2/2): - 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. Patch 1/2 (lenovo-ymc) is unchanged from v10. Changes in v10 (addressing Armin Wolf's v9 review of patch 2/2): - Update ABI doc: Date: June 2026, KernelVersion: 6.16 - Add #include and - 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_sync - 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 = sizeof(__le32) in struct wmi_driver instead Patch 1/2 (lenovo-ymc) is unchanged from v9. 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 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 | 324 ++++++++++++ drivers/platform/x86/lenovo/ymc.c | 19 ++ 6 files changed, 384 insertions(+) 2.55.0