From: Patrick Höhn Date: Tue, 12 Mar 2024 19:31:31 +0000 (+0100) Subject: i2c: i801: Add lis3lv02d for Dell Precision M6800 X-Git-Tag: v6.14-rc1~151^2~16^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fd4e9308312972d5bd11fe1d8c032b95b44748cb;p=thirdparty%2Fkernel%2Flinux.git i2c: i801: Add lis3lv02d for Dell Precision M6800 On the Dell Precision M6800/OXD1M5, BIOS A26 06/13/2029, Linux prints the warning below. i801_smbus 0000:00:1f.4: Accelerometer lis3lv02d is present on SMBus but its address is unknown, skipping registration Following the same suggestions by Wolfram Sang as for the Dell Precision 3540 [1], the accelerometer can be successfully found on I2C bus 0 at address 0x29. $ echo lis3lv02d 0x29 | sudo tee /sys/bus/i2c/devices/i2c-0/new_device lis3lv02d 0x29 $ dmesg | tail -5 [1185.385204] lis3lv02d_i2c 0-0029: supply Vdd not found, using dummy regulator [1185.385235] lis3lv02d_i2c 0-0029: supply Vdd_IO not found, using dummy regulator [1185.399689] lis3lv02d: 8 bits 3DC sensor found [1185.449391] input: ST LIS3LV02DL Accelerometer as /devices/platform/lis3lv02d/input/input371 [1185.449577] i2c i2c-0: new_device: Instantiated device lis3lv02d at 0x29 So, the device has that accelerometer. Add the I2C address to the mapping list, and test it successfully on the device. [1]: https://lore.kernel.org/linux-i2c/97708c11-ac85-fb62-2c8e-d37739ca826f@molgen.mpg.de/ Signed-off-by: Patrick Höhn Acked-by: Pali Rohár Link: https://lore.kernel.org/r/20240312193132.26518-1-hoehnp@gmx.de Signed-off-by: Andi Shyti --- diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index d9d354ce231d6..b6d1140eb678c 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1252,6 +1252,7 @@ static const struct { */ { "Latitude 5480", 0x29 }, { "Precision 3540", 0x29 }, + { "Precision M6800", 0x29 }, { "Vostro V131", 0x1d }, { "Vostro 5568", 0x29 }, { "XPS 15 7590", 0x29 },