This makes acpi-als properly enable the light sensor on the Zenbook UX430UQ. I don't know if the checking that I do to make sure that the ACPI method exists is sufficient or if it should disable the sensor when the module is unloaded, so input is appreciated on those matters.
Signed-off-by: Kiernan Hager <[email protected]> --- drivers/iio/light/acpi-als.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/iio/light/acpi-als.c b/drivers/iio/light/acpi-als.c index c35e2f8df339..8fd66166f19f 100644 --- a/drivers/iio/light/acpi-als.c +++ b/drivers/iio/light/acpi-als.c @@ -179,6 +179,10 @@ static int acpi_als_add(struct acpi_device *device) struct acpi_als *als; struct iio_dev *indio_dev; struct iio_buffer *buffer; + unsigned long long temp_val; + acpi_status status; + struct acpi_object_list arg_list; + union acpi_object arg; indio_dev = devm_iio_device_alloc(&device->dev, sizeof(*als)); if (!indio_dev) @@ -203,6 +207,18 @@ static int acpi_als_add(struct acpi_device *device) iio_device_attach_buffer(indio_dev, buffer); + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = 1; + + if (acpi_has_method(als->device->handle, "\\_SB.PCI0.LPCB.EC0.ALSC")) { + status = acpi_evaluate_integer(als->device->handle, + "\\_SB.PCI0.LPCB.EC0.ALSC", + &arg_list, + &temp_val); + } + return devm_iio_device_register(&device->dev, indio_dev); } -- 2.15.0
