On Wednesday 20 December 2023 17:10:02 Paul Menzel wrote: > On the Dell XPS 15 7590/0VYV0G, BIOS 1.24.0 09/11/2023, 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 2 at > address 0x29. > > $ echo lis3lv02d 0x29 | sudo tee /sys/bus/i2c/devices/i2c-2/new_device > lis3lv02d 0x29 > $ dmesg | tail -5 > [ 549.522876] lis3lv02d_i2c 2-0029: supply Vdd not found, using dummy regulator > [ 549.522904] lis3lv02d_i2c 2-0029: supply Vdd_IO not found, using dummy regulator > [ 549.542486] lis3lv02d: 8 bits 3DC sensor found > [ 549.630022] input: ST LIS3LV02DL Accelerometer as /devices/platform/lis3lv02d/input/input35 > [ 549.630586] i2c i2c-2: 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@xxxxxxxxxxxxx/ > > Signed-off-by: Paul Menzel <pmenzel@xxxxxxxxxxxxx> If the accelerometer is working fine then I have no objections. Acked-by: Pali Rohár <pali@xxxxxxxxxx> > --- > drivers/i2c/busses/i2c-i801.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c > index cb9660f84117..3932e8d96a17 100644 > --- a/drivers/i2c/busses/i2c-i801.c > +++ b/drivers/i2c/busses/i2c-i801.c > @@ -1233,6 +1233,7 @@ static const struct { > { "Precision 3540", 0x29 }, > { "Vostro V131", 0x1d }, > { "Vostro 5568", 0x29 }, > + { "XPS 15 7590", 0x29 }, > }; > > static void register_dell_lis3lv02d_i2c_device(struct i801_priv *priv) > -- > 2.43.0 >
