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Sun, 24 Mar 2024 17:08:36 -0400 (EDT) From: Mark Pearson To: mpearson-lenovo@squebb.ca Cc: hdegoede@redhat.com, ilpo.jarvinen@linux.intel.com, hmh@hmh.eng.br, dmitry.torokhov@gmail.com, ibm-acpi-devel@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, njoshi1@lenovo.com, vsankar@lenovo.com, peter.hutterer@redhat.com Subject: [PATCH 2/4] platform/x86: thinkpad_acpi: Support for trackpoint doubletap Date: Sun, 24 Mar 2024 17:07:59 -0400 Message-ID: <20240324210817.192033-3-mpearson-lenovo@squebb.ca> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240324210817.192033-1-mpearson-lenovo@squebb.ca> References: <20240324210817.192033-1-mpearson-lenovo@squebb.ca> Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Lenovo trackpoints are adding the ability to generate a doubletap event. This handles the doubletap event and sends the KEY_DOUBLECLICK event to userspace. Signed-off-by: Mark Pearson Signed-off-by: Vishnu Sankar --- drivers/platform/x86/thinkpad_acpi.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 82429e59999d..2bbb32c898e9 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -232,6 +232,7 @@ enum tpacpi_hkey_event_t { /* Misc */ TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */ + TP_HKEY_EV_TRACKPOINT_DOUBLETAP = 0x8036, /* doubletap on Trackpoint*/ }; /**************************************************************************** @@ -4081,6 +4082,22 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event) break; } fallthrough; /* to default */ + case 8: + /* 0x8036: Trackpoint doubletaps */ + if (hkey == TP_HKEY_EV_TRACKPOINT_DOUBLETAP) { + send_acpi_ev = true; + ignore_acpi_ev = false; + known_ev = true; + /* Send to user space */ + mutex_lock(&tpacpi_inputdev_send_mutex); + input_report_key(tpacpi_inputdev, KEY_DOUBLECLICK, 1); + input_sync(tpacpi_inputdev); + input_report_key(tpacpi_inputdev, KEY_DOUBLECLICK, 0); + input_sync(tpacpi_inputdev); + mutex_unlock(&tpacpi_inputdev_send_mutex); + break; + } + fallthrough; /* to default */ default: known_ev = false; }