On Tuesday 18 October 2022 19:39:51 Jean Delvare wrote:
> On Thu, 06 Oct 2022 16:54:40 +0200, Nam Cao wrote:
> > Dell Vostro 5568 laptop has lis3lv02d, but its i2c address is not known
> > to the kernel. Add this address.
> >
> > Output of "cat /sys/devices/platform/lis3lv02d/position" on Dell Vostro
> > 5568 laptop:
> > - Horizontal: (-18,0,1044)
> > - Front elevated: (522,-18,1080)
> > - Left elevated: (-18,-360,1080)
> > - Upside down: (36,108,-1134)
> >
> > Signed-off-by: Nam Cao <namcaov@xxxxxxxxx>
> > ---
> > 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 a176296f4fff..e46561e095c6 100644
> > --- a/drivers/i2c/busses/i2c-i801.c
> > +++ b/drivers/i2c/busses/i2c-i801.c
> > @@ -1243,6 +1243,7 @@ static const struct {
> > */
> > { "Latitude 5480", 0x29 },
> > { "Vostro V131", 0x1d },
> > + { "Vostro 5568", 0x29 },
> > };
> >
> > static void register_dell_lis3lv02d_i2c_device(struct i801_priv *priv)
>
> Fine with me.
>
> Reviewed-by: Jean Delvare <jdelvare@xxxxxxx>
>
> Pali, OK with you?
Yes, nice to see that other people discovered another hidden hardware
devices in their own laptops :-)
Reviewed-by: Pali Rohár <pali@xxxxxxxxxx>
Nam Cao, could you check your ACPI DSDT table if there is not specified
this smbus/i2c address 0x29? Autodiscovery would be better than
hardcoding. At least for E6440 I was told that BIOS does not provide it.
> --
> Jean Delvare
> SUSE L3 Support
