diff mbox

[v2,1/3] power_supply: Add power_supply notifier

Message ID 20131201222330.GB6271@lizard (mailing list archive)
State New, archived
Headers show

Commit Message

Anton Vorontsov Dec. 1, 2013, 10:23 p.m. UTC
On Tue, Nov 19, 2013 at 11:18:03AM +0100, Pali Rohár wrote:
> This patch adds a notifier chain to the power_supply.
> This notifier helps drivers in other subsystem to listen to
> changes in power supply subsystem. This would help to take some
> actions in those drivers on changing the power supply properties.
> One such scenario is to increase/decrease system performance based
> on the battery capacity/voltage. Another scenario is to adjust the
> h/w peak current detection voltage/current thresholds based on battery
> voltage/capacity. The notifier helps drivers to listen to changes
> in power_suppy susbystem without polling the power_supply properties
> 
> Signed-off-by: Jenny TC <jenny.tc@intel.com>
> Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
...
> +enum power_supply_notifier_events {
> +	PSY_EVENT_NONE,

This one is not needed.

> +	PSY_EVENT_PROP_CHANGED,
> +	PSY_EVENT_BATTERY,
> +	PSY_EVENT_CABLE,
> +};

The only event that is currently used in your patch series is
EVENT_PROP_CHANGED... So, I applied the patch with the following changes:

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Comments

Jenny TC Jan. 3, 2014, 11:09 a.m. UTC | #1
Anton,

I don't see this patch in Linux tree. Any update on this would be helpful

Thanks
Jenny

> -----Original Message-----

> From: Anton Vorontsov [mailto:anton@scarybugs.org] On Behalf Of Anton

> Vorontsov

> Sent: Monday, December 02, 2013 3:54 AM

> To: Pali Rohár

> Cc: David Woodhouse; Tony Lindgren; Russell King; linux-kernel@vger.kernel.org;

> linux-omap@vger.kernel.org; freemangordon@abv.bg; aaro.koskinen@iki.fi;

> pavel@ucw.cz; Tc, Jenny

> Subject: Re: [PATCH v2 1/3] power_supply: Add power_supply notifier

> 

> On Tue, Nov 19, 2013 at 11:18:03AM +0100, Pali Rohár wrote:

> > This patch adds a notifier chain to the power_supply.

> > This notifier helps drivers in other subsystem to listen to changes in

> > power supply subsystem. This would help to take some actions in those

> > drivers on changing the power supply properties.

> > One such scenario is to increase/decrease system performance based on

> > the battery capacity/voltage. Another scenario is to adjust the h/w

> > peak current detection voltage/current thresholds based on battery

> > voltage/capacity. The notifier helps drivers to listen to changes in

> > power_suppy susbystem without polling the power_supply properties

> >

> > Signed-off-by: Jenny TC <jenny.tc@intel.com>

> > Signed-off-by: Pali Rohár <pali.rohar@gmail.com>

> ...

> > +enum power_supply_notifier_events {

> > +	PSY_EVENT_NONE,

> 

> This one is not needed.

> 

> > +	PSY_EVENT_PROP_CHANGED,

> > +	PSY_EVENT_BATTERY,

> > +	PSY_EVENT_CABLE,

> > +};

> 

> The only event that is currently used in your patch series is

> EVENT_PROP_CHANGED... So, I applied the patch with the following changes:

> 

> diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index

> c6f52c0..0c2a260 100644

> --- a/include/linux/power_supply.h

> +++ b/include/linux/power_supply.h

> @@ -15,6 +15,7 @@

>  #include <linux/init.h>

>  #include <linux/slab.h>

>  #include <linux/device.h>

> +#include <linux/notifier.h>

>  #include <linux/err.h>

>  #include <linux/power_supply.h>

>  #include <linux/thermal.h>

> @@ -159,10 +159,7 @@ enum power_supply_type {  };

> 

>  enum power_supply_notifier_events {

> -	PSY_EVENT_NONE,

>  	PSY_EVENT_PROP_CHANGED,

> -	PSY_EVENT_BATTERY,

> -	PSY_EVENT_CABLE,

>  };

> 

>  union power_supply_propval {

> @@ -242,7 +239,7 @@ struct power_supply_info {

>  	int use_for_apm;

>  };

> 

> -extern struct atomic_notifier_head    power_supply_notifier;

> +extern struct atomic_notifier_head power_supply_notifier;

>  extern int power_supply_reg_notifier(struct notifier_block *nb);  extern void

> power_supply_unreg_notifier(struct notifier_block *nb);  extern struct

> power_supply *power_supply_get_by_name(const char *name);
Anton Vorontsov Jan. 3, 2014, 4:02 p.m. UTC | #2
On Fri, Jan 03, 2014 at 11:09:49AM +0000, Tc, Jenny wrote:
> Anton,
> 
> I don't see this patch in Linux tree. Any update on this would be helpful

http://git.infradead.org/battery-2.6.git/commit/d36240d26025bec95f3499e2401a56db98d9f01c

?..
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diff mbox

Patch

diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index c6f52c0..0c2a260 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -15,6 +15,7 @@ 
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/device.h>
+#include <linux/notifier.h>
 #include <linux/err.h>
 #include <linux/power_supply.h>
 #include <linux/thermal.h>
@@ -159,10 +159,7 @@  enum power_supply_type {
 };
 
 enum power_supply_notifier_events {
-	PSY_EVENT_NONE,
 	PSY_EVENT_PROP_CHANGED,
-	PSY_EVENT_BATTERY,
-	PSY_EVENT_CABLE,
 };
 
 union power_supply_propval {
@@ -242,7 +239,7 @@  struct power_supply_info {
 	int use_for_apm;
 };
 
-extern struct atomic_notifier_head    power_supply_notifier;
+extern struct atomic_notifier_head power_supply_notifier;
 extern int power_supply_reg_notifier(struct notifier_block *nb);
 extern void power_supply_unreg_notifier(struct notifier_block *nb);
 extern struct power_supply *power_supply_get_by_name(const char *name);