CHROMIUM: ACPI update to support the latest firmware.

Pick up FWID value provided by the BIOS now and use
the proper Google assigned ACPI device name.

Tested by installing the new driver on a ZGA machine with
the latest firmware.

Review URL: http://codereview.chromium.org/2870021

Change-Id: I0ebd7ecfdc6c80dbda2c5b3e88846227f351f897

diff --git a/drivers/platform/x86/chromeos_acpi.c b/drivers/platform/x86/chromeos_acpi.c
index 1cf307e..8581c78 100644 (file)
--- a/drivers/platform/x86/chromeos_acpi.c
+++ b/drivers/platform/x86/chromeos_acpi.c
@@ -47,7 +47,7 @@ MODULE_LICENSE("GPL");
 #define CHROMEOS_ACPI_VERSION "0.02"
 
 static const struct acpi_device_id chromeos_device_ids[] = {
-        {"CHROMEHW", 0}, /* this name does not yet work */
+        {"GGL0001", 0}, /* Google's own */
        {"PNP6666", 0},  /* dummy name to get us going */
        {"", 0},
 };
@@ -69,7 +69,7 @@ static struct acpi_driver chromeos_acpi_driver = {
 
 /* The methods the chromeos ACPI device is supposed to export */
 static char *chromeos_methods[] = {
-       "CHSW", "HWID", "BINF", "GPIO", "CHNV"
+       "CHSW", "HWID", "BINF", "GPIO", "CHNV", "FWID"
 };
 
 /*