[Public]
> -----Original Message-----
> From: S-k, Shyam-sundar <Shyam-sundar.S-k@xxxxxxx>
> Sent: Tuesday, July 12, 2022 09:59
> To: hdegoede@xxxxxxxxxx; markgross@xxxxxxxxxx
> Cc: platform-driver-x86@xxxxxxxxxxxxxxx; Patil Rajesh
> <Patil.Reddy@xxxxxxx>; Limonciello, Mario
> <Mario.Limonciello@xxxxxxx>; S-k, Shyam-sundar <Shyam-sundar.S-
> k@xxxxxxx>
> Subject: [PATCH v1 01/15] ACPI: platform_profile: Add support for
> notification chains
>
> From: Mario Limonciello <mario.limonciello@xxxxxxx>
>
> Allow other drivers to react to determine current active profile
> and react to platform profile changes.
>
The original patch this came from had notification chains, but as this was
pared down to just export the get method, this commit message and title
should be updated.
> 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
