diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/acpi/sysfs.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index c538d0ef10f..9f66181c814 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -706,11 +706,23 @@ static void __exit interrupt_stats_exit(void) return; } +static ssize_t +acpi_show_profile(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%d\n", acpi_gbl_FADT.preferred_profile); +} + +static const struct device_attribute pm_profile_attr = + __ATTR(pm_profile, S_IRUGO, acpi_show_profile, NULL); + int __init acpi_sysfs_init(void) { int result; result = acpi_tables_sysfs_init(); - + if (result) + return result; + result = sysfs_create_file(acpi_kobj, &pm_profile_attr.attr); return result; } |