ACPI: sysfs: Add device cid attribute for exposing _CID lists

Add a new sysfs attribute called "cid" under struct acpi_device for
exposing the list of compatible device IDs returned by the device's
_CID object, if present.

The new attribute will be present only if the _CID object is present.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/5957407.DvuYhMxLoT@rafael.j.wysocki
1 file changed