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[87.123.105.228]) by smtp.gmail.com with ESMTPSA id cc22-20020a05622a411600b0042be0933c1csm1006890qtb.15.2024.02.02.09.32.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Feb 2024 09:32:46 -0800 (PST) From: Jesus Gonzalez To: jic23@kernel.org, lars@metafoo.de Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Jesus Gonzalez Subject: [PATCH 1/1] Add 10EC5280 to bmi160_i2c ACPI IDs to allow binding on some devices Date: Fri, 2 Feb 2024 18:30:41 +0100 Message-ID: <20240202173040.26806-2-jesusmgh@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789809327076226944 X-GMAIL-MSGID: 1789809327076226944 "10EC5280" is used by several manufacturers like Lenovo, GPD, or AYA (and probably others) in their ACPI table as the ID for the bmi160 IMU. This means the bmi160_i2c driver won't bind to it, and the IMU is unavailable to the user. Manufacturers have been approached on several occasions to try getting a BIOS with a fixed ID, mostly without actual positive results, and since affected devices are already a few years old, this is not expected to change. This patch enables using the bmi160_i2c driver for the bmi160 IMU on these devices. Signed-off-by: Jesus Gonzalez --- A device-specific transformation matrix can then be provided in a second step through udev hwdb. This has been discussed before in 2021, see here: https://lore.kernel.org/lkml/CACAwPwYQHRcrabw9=0tvenPzAcwwW1pTaR6a+AEWBF9Hqf_wXQ@mail.gmail.com/ Lenovo, as an example of a big manufacturer, is also using this ID: https://www.reddit.com/r/linux/comments/r6f9de/comment/hr8bdfs/?context=3 At least some discussions with GPD took place on the GPD server Discord, for which I can provide proof on demand via screenshot (if not accessible directly). I have read the patch submission instructions and followed them to the best of my knowledge. Still, this is my first kernel patch submission, so I'd be glad if you could please point out any mistakes. Thank you! drivers/iio/imu/bmi160/bmi160_spi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/imu/bmi160/bmi160_spi.c b/drivers/iio/imu/bmi160/bmi160_spi.c index 8b573ea99af2..0874c37c6670 100644 --- a/drivers/iio/imu/bmi160/bmi160_spi.c +++ b/drivers/iio/imu/bmi160/bmi160_spi.c @@ -41,6 +41,7 @@ MODULE_DEVICE_TABLE(spi, bmi160_spi_id); static const struct acpi_device_id bmi160_acpi_match[] = { {"BMI0160", 0}, + {"10EC5280", 0}, { }, }; MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);