diff mbox series

[1/1] Add 10EC5280 to bmi160_i2c ACPI IDs to allow binding on some devices

Message ID 20240204180536.30617-2-jesusmgh@gmail.com
State New
Headers
Series [1/1] Add 10EC5280 to bmi160_i2c ACPI IDs to allow binding on some devices |

Commit Message

Jesus Gonzalez Feb. 4, 2024, 6:05 p.m. UTC 
  "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 <jesusmgh@gmail.com>
---
 drivers/iio/imu/bmi160/bmi160_spi.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/iio/imu/bmi160/bmi160_spi.c b/drivers/iio/imu/bmi160/bmi160_spi.c
index 8b573ea99af2..0df961a129bb 100644
--- a/drivers/iio/imu/bmi160/bmi160_spi.c
+++ b/drivers/iio/imu/bmi160/bmi160_spi.c
@@ -41,6 +41,14 @@  MODULE_DEVICE_TABLE(spi, bmi160_spi_id);
 
 static const struct acpi_device_id bmi160_acpi_match[] = {
 	{"BMI0160", 0},
+	/* FIRMWARE BUG WORKAROUND
+	 * Some manufacturers like GPD, Lenovo or Aya used the incorrect
+	 * ID "10EC5280" for bmi160 in their DSDT. A fixed firmware is not
+	 * available as of Feb 2024 after trying to work with OEMs, and
+	 * this is not expected to change anymore since at least some of
+	 * the affected devices are from 2021/2022.
+	 */
+	{"10EC5280", 0},
 	{ },
 };
 MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);