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([2601:680:ce01:1ab0:8a12:eaca:af3b:aa7d]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13b3c7fa65asm21610833c88.6.2026.07.03.07.47.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Jul 2026 07:47:45 -0700 (PDT) From: Vadim Klishko X-Google-Original-From: Vadim Klishko To: jikos@kernel.org Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Vadim Klishko Subject: [PATCH] Add a quirk for a Cirque I2C device. Date: Fri, 3 Jul 2026 08:47:26 -0600 Message-Id: <20260703144726.14808-1-vadim@cirque.com> X-Mailer: git-send-email 2.34.1 Reply-To: vadim@cirque.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 Cirque touchpads with PID D0C1 generate an error when probed by the I2C HID driver, resulting in no hidraw device created. Signed-off-by: Vadim Klishko --- 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 1059922baaac..496589277bd5 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -334,6 +334,7 @@ #define I2C_VENDOR_ID_CIRQUE 0x0488 #define I2C_PRODUCT_ID_CIRQUE_1063 0x1063 +#define I2C_PRODUCT_ID_CIRQUE_D0C1 0xD0C1 #define USB_VENDOR_ID_CJTOUCH 0x24b8 #define USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0020 0x0020 diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 3adb16366e93..63004bcbfa71 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -136,6 +136,8 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_BAD_INPUT_SIZE }, { I2C_VENDOR_ID_CIRQUE, I2C_PRODUCT_ID_CIRQUE_1063, I2C_HID_QUIRK_NO_SLEEP_ON_SUSPEND }, + { I2C_VENDOR_ID_CIRQUE, I2C_PRODUCT_ID_CIRQUE_D0C1, + I2C_HID_QUIRK_NO_IRQ_AFTER_RESET }, /* * Without additional power on command, at least some QTEC devices send garbage */ -- 2.34.1