Change in coreboot[master]: superio/acpi: allow custom HID on generic device

[Samuel Holland (Code Review)]

Samuel Holland has uploaded this change for review. ( https://review.coreboot.org/20076

Change subject: superio/acpi: allow custom HID on generic device
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superio/acpi: allow custom HID on generic device

Some Super I/O PnP devices are detected by string matching the hardware
ID. Allow providing a custom HID to override the default generic one.

Change-Id: I7793b7d53c9d94667675f9dee63358521ac8c4be
Signed-off-by: Samuel Holland 
---
M src/superio/acpi/pnp_generic.asl
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/76/20076/1

diff --git a/src/superio/acpi/pnp_generic.asl b/src/superio/acpi/pnp_generic.asl
index f46fbda..c878827 100644
--- a/src/superio/acpi/pnp_generic.asl
+++ b/src/superio/acpi/pnp_generic.asl
@@ -21,6 +21,7 @@
  * Controlled by the following preprocessor defines:
  *
  * SUPERIO_CHIP_NAME	The name of the super i/o chip (unique, required)
+ * SUPERIO_PNP_HID	The EisaId string that identifies this device (optional)
  * SUPERIO_PNP_LDN	The logical device number on the super i/o
  *			chip for this device (required)
  * SUPERIO_PNP_DDN	A string literal that identifies the dos device
@@ -56,7 +57,11 @@
 #endif

Device (SUPERIO_ID(PN, SUPERIO_PNP_LDN)) {
+	#ifdef SUPERIO_PNP_HID
+	Name (_HID, EisaId (SUPERIO_PNP_HID))
+	#else
    Name (_HID, EisaId ("PNP0c02")) /* TODO: Better fitting EisaId? */
+	#endif
    Name (_UID, SUPERIO_UID(PN, SUPERIO_PNP_LDN))
    #ifdef SUPERIO_PNP_DDN
    Name (_DDN, SUPERIO_PNP_DDN)