On Sun, 6 Jan 2019 at 16:49, Valentin Vidic <[email protected]> wrote:
> On Sun, Jan 06, 2019 at 02:22:34PM +0530, Jay Aurabind wrote: > > The subject line might be a bit dramatic, but I assure you my question is > > isn't. > > > > I have a 3-axis accelerometer (LIS3LV02DL) in my laptop which shows up as > > an input device. Since its x86, I am assuming the necessary information > was > > encoded in ACPI Tables. But I cannot find any mention of this device in > the > > acpi tables exposed by the kernel. > > > > I tried grepping through all the ACPI tables in > /sys/firmware/acpi/tables. > > I was hoping to find some string that could identify the corresponding > > kernel drivers. But there are no hits for "lis". I suppose string based > > literals are not the way acpi works like in kernel device-driver > matching. > > The driver in question is drivers/misc/lis3lv02d/lis3lv02d.c > > > > So what exactly in the ACPI triggered the kernel module lis3lv02d to be > > loaded ? > > It seems to me this is an I2C device so the following alias could load it: > > modules.alias:alias i2c:lis3lv02d lis3lv02d_i2c > Apparently it could be both I2C or SPI, as I find lis3lv02d_spi.c as well. I don't really know if this device sits on I2C bus or SPI. > -- > Valentin > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > -- Thanks and Regards, *Aurabindo J*
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