On Thu, Jan 13, 2022 at 8:13 PM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > On Thu, Jan 13, 2022 at 6:53 PM Lucas tanure > <tanureal@xxxxxxxxxxxxxxxxxxxxx> wrote: > > On 1/6/22 12:29, Andy Shevchenko wrote: > > > On Fri, Dec 17, 2021 at 5:45 PM Lucas Tanure > > > <tanureal@xxxxxxxxxxxxxxxxxxxxx> wrote: ... > > >> + * Device CLSA0100 doesn't have _DSD so a gpiod_get by the label reset won't work. > > > > > > So, you need to add mapping tables and switch to regular APIs, tell > > > me, why it won't work. > > The part about how the driver access the ACPI table is going to be > > improved later if possible. > > The laptop has already shipped and doesn't have a _DSD node, so the > > driver needs to read the reset GPIO from a hard coded index inside a > > node that contains more than one cs35l41. > > We have a lot of cases like this, hint: `git grep -n -w > devm_acpi_dev_add_driver_gpios`. It's all described here: Documentation/firmware-guide/acpi/gpio-properties.rst -- With Best Regards, Andy Shevchenko