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[31.26.103.238]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-49d26bfdb4asm47441825e9.11.2026.09.09.23.31.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2026 23:31:05 -0700 (PDT) From: Oleg Keri To: Jiri Kosina , Benjamin Tissoires , "Derek J. Clark" , Mark Pearson Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] HID: i2c-hid: add reset quirk for Lenovo Yoga Slim 7x Gen 11 keyboard Date: Thu, 10 Sep 2026 08:30:50 +0200 Message-ID: <20260910063051.4556-2-okerixx@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260910063051.4556-1-okerixx@gmail.com> References: <20260910063051.4556-1-okerixx@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The ITE controller behind the keyboard of the Lenovo Yoga Slim 7x Gen 11 (048d:83db) carries out a reset but never raises the interrupt that acknowledges it. i2c_hid_finish_hwreset() therefore waits out its full one second timeout and logs "device did not ack reset within 1000 ms" on every probe and every resume, before the keyboard comes up regardless. Set I2C_HID_QUIRK_NO_IRQ_AFTER_RESET for it, as is already done for several other ITE parts, so the reset is followed by a fixed 100 ms sleep instead. Signed-off-by: Oleg Keri --- drivers/hid/hid-ids.h | 1 + drivers/hid/i2c-hid/i2c-hid-core.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 8b4f4b02aec0..79eb464ba2f7 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -765,6 +765,7 @@ #define I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720 0x837a #define USB_DEVICE_ID_ITE_LENOVO_YOGA900 0x8396 #define I2C_DEVICE_ID_ITE_LENOVO_YOGA_SLIM_7X_KEYBOARD 0x8987 +#define I2C_DEVICE_ID_ITE_LENOVO_YOGA_SLIM_7X_G11_KEYBOARD 0x83db #define USB_DEVICE_ID_ITE8595 0x8595 #define USB_DEVICE_ID_ITE_MEDION_E1239T 0xce50 diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 0ff07fdab442..ad8d9f329404 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -126,6 +126,8 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_NO_IRQ_AFTER_RESET }, { I2C_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_VOYO_WINPAD_A15, I2C_HID_QUIRK_NO_IRQ_AFTER_RESET }, + { USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_YOGA_SLIM_7X_G11_KEYBOARD, + I2C_HID_QUIRK_NO_IRQ_AFTER_RESET }, { I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_3118, I2C_HID_QUIRK_NO_IRQ_AFTER_RESET }, { USB_VENDOR_ID_ALPS_JP, HID_ANY_ID, -- 2.55.0