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[PATCH v5 1/3] ACPI: platform-profile: add platform_profile_cycle()

Gergo Koteles posted 3 patches 1 year, 10 months ago
There is a newer version of this series
[PATCH v5 1/3] ACPI: platform-profile: add platform_profile_cycle()
Posted by Gergo Koteles 1 year, 10 months ago 
Some laptops have a key to switch platform profiles.

Add a platform_profile_cycle() function to cycle between the enabled
profiles.

Signed-off-by: Gergo Koteles <soyer@irl.hu>
---
 drivers/acpi/platform_profile.c  | 39 ++++++++++++++++++++++++++++++++
 include/linux/platform_profile.h |  1 +
 2 files changed, 40 insertions(+)

diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
index d418462ab791..acc606af812a 100644
--- a/drivers/acpi/platform_profile.c
+++ b/drivers/acpi/platform_profile.c
@@ -136,6 +136,45 @@ void platform_profile_notify(void)
 }
 EXPORT_SYMBOL_GPL(platform_profile_notify);
 
+int platform_profile_cycle(void)
+{
+	enum platform_profile_option profile;
+	enum platform_profile_option next;
+	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);
+	if (err) {
+		mutex_unlock(&profile_lock);
+		return err;
+	}
+
+	next = find_next_bit_wrap(cur_profile->choices,
+				  ARRAY_SIZE(profile_names), profile + 1);
+
+	if (WARN_ON(next == ARRAY_SIZE(profile_names))) {
+		mutex_unlock(&profile_lock);
+		return -EINVAL;
+	}
+
+	err = cur_profile->profile_set(cur_profile, next);
+	mutex_unlock(&profile_lock);
+
+	if (!err)
+		sysfs_notify(acpi_kobj, NULL, "platform_profile");
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(platform_profile_cycle);
+
 int platform_profile_register(struct platform_profile_handler *pprof)
 {
 	int err;
diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h
index e5cbb6841f3a..f5492ed413f3 100644
--- a/include/linux/platform_profile.h
+++ b/include/linux/platform_profile.h
@@ -36,6 +36,7 @@ struct platform_profile_handler {
 
 int platform_profile_register(struct platform_profile_handler *pprof);
 int platform_profile_remove(void);
+int platform_profile_cycle(void);
 void platform_profile_notify(void);
 
 #endif  /*_PLATFORM_PROFILE_H_*/
-- 
2.44.0
Re: [PATCH v5 1/3] ACPI: platform-profile: add platform_profile_cycle()
Posted by Hans de Goede 1 year, 10 months ago 
Hi Gergo,

On 4/6/24 2:01 AM, Gergo Koteles wrote:
> Some laptops have a key to switch platform profiles.
> 
> Add a platform_profile_cycle() function to cycle between the enabled
> profiles.
> 
> Signed-off-by: Gergo Koteles <soyer@irl.hu>

Thank you for your patch, 1 small remark below,
otherwise this looks good to me.

Rafael, may I have your Ack for merging this through the pdx86 tree
together with the rest of the series once my remark has been addressed ?


> ---
>  drivers/acpi/platform_profile.c  | 39 ++++++++++++++++++++++++++++++++
>  include/linux/platform_profile.h |  1 +
>  2 files changed, 40 insertions(+)
> 
> diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
> index d418462ab791..acc606af812a 100644
> --- a/drivers/acpi/platform_profile.c
> +++ b/drivers/acpi/platform_profile.c
> @@ -136,6 +136,45 @@ void platform_profile_notify(void)
>  }
>  EXPORT_SYMBOL_GPL(platform_profile_notify);
>  
> +int platform_profile_cycle(void)
> +{
> +	enum platform_profile_option profile;
> +	enum platform_profile_option next;
> +	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);
> +	if (err) {
> +		mutex_unlock(&profile_lock);
> +		return err;
> +	}
> +
> +	next = find_next_bit_wrap(cur_profile->choices,
> +				  ARRAY_SIZE(profile_names), profile + 1);
> +
> +	if (WARN_ON(next == ARRAY_SIZE(profile_names))) {

Other code in drivers/acpi/platform_profile.c uses PLATFORM_PROFILE_LAST
instead of ARRAY_SIZE(profile_names) (these are guaranteed to be equal)
please switch to using PLATFORM_PROFILE_LAST for consistency.

Regards,

Hans





> +		mutex_unlock(&profile_lock);
> +		return -EINVAL;
> +	}
> +
> +	err = cur_profile->profile_set(cur_profile, next);
> +	mutex_unlock(&profile_lock);
> +
> +	if (!err)
> +		sysfs_notify(acpi_kobj, NULL, "platform_profile");
> +
> +	return err;
> +}
> +EXPORT_SYMBOL_GPL(platform_profile_cycle);
> +
>  int platform_profile_register(struct platform_profile_handler *pprof)
>  {
>  	int err;
> diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h
> index e5cbb6841f3a..f5492ed413f3 100644
> --- a/include/linux/platform_profile.h
> +++ b/include/linux/platform_profile.h
> @@ -36,6 +36,7 @@ struct platform_profile_handler {
>  
>  int platform_profile_register(struct platform_profile_handler *pprof);
>  int platform_profile_remove(void);
> +int platform_profile_cycle(void);
>  void platform_profile_notify(void);
>  
>  #endif  /*_PLATFORM_PROFILE_H_*/
Re: [PATCH v5 1/3] ACPI: platform-profile: add platform_profile_cycle()
Posted by Gergo Koteles 1 year, 10 months ago 
Hi Hans,

On Mon, 2024-04-08 at 18:41 +0200, Hans de Goede wrote:
> > +	next = find_next_bit_wrap(cur_profile->choices,
> > +				  ARRAY_SIZE(profile_names), profile + 1);
> > +
> > +	if (WARN_ON(next == ARRAY_SIZE(profile_names))) {
> 
> Other code in drivers/acpi/platform_profile.c uses PLATFORM_PROFILE_LAST
> instead of ARRAY_SIZE(profile_names) (these are guaranteed to be equal)
> please switch to using PLATFORM_PROFILE_LAST for consistency.
> 

Thanks for the review. I changed these in v6.


Best regards,
Gergo
Re: [PATCH v5 1/3] ACPI: platform-profile: add platform_profile_cycle()
Posted by Rafael J. Wysocki 1 year, 10 months ago 
On Mon, Apr 8, 2024 at 6:41 PM Hans de Goede <hdegoede@redhat.com> wrote:
>
> Hi Gergo,
>
> On 4/6/24 2:01 AM, Gergo Koteles wrote:
> > Some laptops have a key to switch platform profiles.
> >
> > Add a platform_profile_cycle() function to cycle between the enabled
> > profiles.
> >
> > Signed-off-by: Gergo Koteles <soyer@irl.hu>
>
> Thank you for your patch, 1 small remark below,
> otherwise this looks good to me.
>
> Rafael, may I have your Ack for merging this through the pdx86 tree
> together with the rest of the series once my remark has been addressed ?

Sure, please feel free to add

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

to this patch.  Thanks!

> > ---
> >  drivers/acpi/platform_profile.c  | 39 ++++++++++++++++++++++++++++++++
> >  include/linux/platform_profile.h |  1 +
> >  2 files changed, 40 insertions(+)
> >
> > diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c
> > index d418462ab791..acc606af812a 100644
> > --- a/drivers/acpi/platform_profile.c
> > +++ b/drivers/acpi/platform_profile.c
> > @@ -136,6 +136,45 @@ void platform_profile_notify(void)
> >  }
> >  EXPORT_SYMBOL_GPL(platform_profile_notify);
> >
> > +int platform_profile_cycle(void)
> > +{
> > +     enum platform_profile_option profile;
> > +     enum platform_profile_option next;
> > +     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);
> > +     if (err) {
> > +             mutex_unlock(&profile_lock);
> > +             return err;
> > +     }
> > +
> > +     next = find_next_bit_wrap(cur_profile->choices,
> > +                               ARRAY_SIZE(profile_names), profile + 1);
> > +
> > +     if (WARN_ON(next == ARRAY_SIZE(profile_names))) {
>
> Other code in drivers/acpi/platform_profile.c uses PLATFORM_PROFILE_LAST
> instead of ARRAY_SIZE(profile_names) (these are guaranteed to be equal)
> please switch to using PLATFORM_PROFILE_LAST for consistency.
>
> Regards,
>
> Hans
>
>
>
>
>
> > +             mutex_unlock(&profile_lock);
> > +             return -EINVAL;
> > +     }
> > +
> > +     err = cur_profile->profile_set(cur_profile, next);
> > +     mutex_unlock(&profile_lock);
> > +
> > +     if (!err)
> > +             sysfs_notify(acpi_kobj, NULL, "platform_profile");
> > +
> > +     return err;
> > +}
> > +EXPORT_SYMBOL_GPL(platform_profile_cycle);
> > +
> >  int platform_profile_register(struct platform_profile_handler *pprof)
> >  {
> >       int err;
> > diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h
> > index e5cbb6841f3a..f5492ed413f3 100644
> > --- a/include/linux/platform_profile.h
> > +++ b/include/linux/platform_profile.h
> > @@ -36,6 +36,7 @@ struct platform_profile_handler {
> >
> >  int platform_profile_register(struct platform_profile_handler *pprof);
> >  int platform_profile_remove(void);
> > +int platform_profile_cycle(void);
> >  void platform_profile_notify(void);
> >
> >  #endif  /*_PLATFORM_PROFILE_H_*/
>

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