arch/x86/kernel/acpi/sleep_32.c

   1 /*
   2  * sleep.c - x86-specific ACPI sleep support.
   3  *
   4  *  Copyright (C) 2001-2003 Patrick Mochel
   5  *  Copyright (C) 2001-2003 Pavel Machek <pavel@suse.cz>
   6  */
   7
   8 #include <linux/acpi.h>
   9 #include <linux/bootmem.h>
  10 #include <linux/dmi.h>
  11 #include <linux/cpumask.h>
  12
  13 #include <asm/smp.h>
  14
  15 /* Ouch, we want to delete this. We already have better version in userspace, in
  16    s2ram from suspend.sf.net project */
  17 static __init int reset_videomode_after_s3(const struct dmi_system_id *d)
  18 {
  19         acpi_realmode_flags |= 2;
  20         return 0;
  21 }
  22
  23 static __initdata struct dmi_system_id acpisleep_dmi_table[] = {
  24         {                       /* Reset video mode after returning from ACPI S3 sleep */
  25          .callback = reset_videomode_after_s3,
  26          .ident = "Toshiba Satellite 4030cdt",
  27          .matches = {
  28                      DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),
  29                      },
  30          },
  31         {}
  32 };
  33
  34 static int __init acpisleep_dmi_init(void)
  35 {
  36         dmi_check_system(acpisleep_dmi_table);
  37         return 0;
  38 }
  39
  40 core_initcall(acpisleep_dmi_init);