From: Mario Limonciello <mario.limonciello@xxxxxxx>
Allow other drivers to react to determine current active profile
and react to platform profile changes.
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx>
---
drivers/acpi/platform_profile.c | 26 ++++++++++++++++++++++++++
include/linux/platform_profile.h | 1 +
2 files changed, 27 insertions(+)
diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index d418462ab791..7e12a1f30f06 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -49,6 +49,32 @@ static ssize_t platform_profile_choices_show(struct device *dev,
return len;
}
+int platform_profile_get(enum platform_profile_option *profile)
+{
+ int err;
+
+ err = mutex_lock_interruptible(&profile_lock);
+ if (err)
+ return err;
+
+ if (!cur_profile) {
+ mutex_unlock(&profile_lock);
+ return -ENODEV;
+ }
+
+ err = cur_profile->profile_get(cur_profile, profile);
+ mutex_unlock(&profile_lock);
+ if (err)
+ return err;
+
+ /* Check that profile is valid index */
+ if (WARN_ON((*profile < 0) || (*profile >= ARRAY_SIZE(profile_names))))
+ return -EIO;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(platform_profile_get);
+
static ssize_t platform_profile_show(struct device *dev,
struct device_attribute *attr,
char *buf)
diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h
index e5cbb6841f3a..2395be670dfd 100644
--- a/include/linux/platform_profile.h
+++ b/include/linux/platform_profile.h
@@ -37,5 +37,6 @@ struct platform_profile_handler {
int platform_profile_register(struct platform_profile_handler *pprof);
int platform_profile_remove(void);
void platform_profile_notify(void);
+int platform_profile_get(enum platform_profile_option *profile);
#endif /*_PLATFORM_PROFILE_H_*/
--
2.25.1
