acpi_op_resume doesn't have the state parameter anymore, see commit
5d9464a46918ced087c351a10f38cee95725f85b in Linux 2.6.21

Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com>

--- dkms-pcc-acpi-0.9/pcc_acpi.c.orig	2008-03-23 21:09:54.000000000 -0300
+++ dkms-pcc-acpi-0.9/pcc_acpi.c	2008-03-23 21:18:16.000000000 -0300
@@ -211,7 +211,7 @@ enum SINF_BITS { SINF_NUM_BATTERIES = 0,
 
 static int acpi_pcc_hotkey_add(struct acpi_device *device);
 static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
-static int acpi_pcc_hotkey_resume(struct acpi_device *device, int state);
+static int acpi_pcc_hotkey_resume(struct acpi_device *device);
 
 const static struct acpi_device_id pcc_device_ids[] = {
 	{"MAT0012", 0},
@@ -841,7 +841,7 @@ static int acpi_pcc_init_input(struct ac
                          module init
    -------------------------------------------------------------------------- */
 
-static int acpi_pcc_hotkey_resume(struct acpi_device *device, int state)
+static int acpi_pcc_hotkey_resume(struct acpi_device *device)
 {
 	struct acpi_hotkey *hotkey = acpi_driver_data(device);
 	acpi_status	    status = AE_OK;