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Diffstat (limited to 'drivers/acpi/sysfs.c')
-rw-r--r--drivers/acpi/sysfs.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index c538d0ef10ff..9f66181c814e 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -706,11 +706,23 @@ static void __exit interrupt_stats_exit(void)
706 return; 706 return;
707} 707}
708 708
709static ssize_t
710acpi_show_profile(struct device *dev, struct device_attribute *attr,
711 char *buf)
712{
713 return sprintf(buf, "%d\n", acpi_gbl_FADT.preferred_profile);
714}
715
716static const struct device_attribute pm_profile_attr =
717 __ATTR(pm_profile, S_IRUGO, acpi_show_profile, NULL);
718
709int __init acpi_sysfs_init(void) 719int __init acpi_sysfs_init(void)
710{ 720{
711 int result; 721 int result;
712 722
713 result = acpi_tables_sysfs_init(); 723 result = acpi_tables_sysfs_init();
714 724 if (result)
725 return result;
726 result = sysfs_create_file(acpi_kobj, &pm_profile_attr.attr);
715 return result; 727 return result;
716} 728}