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From: Tony Lindgren <tony@atomide.com>
To: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Pavel Machek <pavel@ucw.cz>,
	Sebastian Reichel <sebastian.reichel@collabora.co.uk>,
	pali.rohar@gmail.com, sre@kernel.org,
	kernel list <linux-kernel@vger.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	linux-omap@vger.kernel.org, khilman@kernel.org,
	aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com,
	patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com,
	clayton@craftyguy.net, martijn@brixit.nl,
	sakari.ailus@linux.intel.com,
	Marek Belisko <marek.belisko@open-nandra.com>,
	robh+dt@kernel.org, linux-pm@vger.kernel.org,
	Marek Belisko <marek.belisko@gmail.com>
Subject: Re: libbattery was Re: [RFC PATCH 5/5] power: generic-adc-battery: Add capacity handling
Date: Wed, 18 Oct 2017 06:22:04 -0700	[thread overview]
Message-ID: <20171018132204.GD4394@atomide.com> (raw)
In-Reply-To: <61BFA8AF-657A-4AD7-A7AC-3E5DC3B7E83D@goldelico.com>

* H. Nikolaus Schaller <hns@goldelico.com> [171018 05:49]:
> > Am 18.10.2017 um 14:28 schrieb Pavel Machek <pavel@ucw.cz>:
> > 
> > So I started something, it is at.
> > 
> > https://github.com/pavelmachek/libbattery
> > 
> > My battery on n900 is currently uncalibrated (and charging), still it
> > gets some kind of estimation:
> > 
> > Battery -1 %
> > Seconds -1
> > State 1
> > Voltage 3.88 V
> > Battery 63 %
> > 
> > Of course, there's a lot more work to be done.
> 
> Nice start but not a solution to our problem.
> 
> Our problem is that people simply expect that for example https://packages.debian.org/wheezy/xfce/xfce4-battery-plugin
> displays the battery percentage.

I think we could make things compatible with various battery apps by
having libbattery write back the capacity percentage and time remaining
to the kernel driver via sysfs or a dev entry. Then the kernel interface
can just display the data to whatever apps.

Regards,

Tony

WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: libbattery was Re: [RFC PATCH 5/5] power: generic-adc-battery: Add capacity handling
Date: Wed, 18 Oct 2017 06:22:04 -0700	[thread overview]
Message-ID: <20171018132204.GD4394@atomide.com> (raw)
In-Reply-To: <61BFA8AF-657A-4AD7-A7AC-3E5DC3B7E83D@goldelico.com>

* H. Nikolaus Schaller <hns@goldelico.com> [171018 05:49]:
> > Am 18.10.2017 um 14:28 schrieb Pavel Machek <pavel@ucw.cz>:
> > 
> > So I started something, it is at.
> > 
> > https://github.com/pavelmachek/libbattery
> > 
> > My battery on n900 is currently uncalibrated (and charging), still it
> > gets some kind of estimation:
> > 
> > Battery -1 %
> > Seconds -1
> > State 1
> > Voltage 3.88 V
> > Battery 63 %
> > 
> > Of course, there's a lot more work to be done.
> 
> Nice start but not a solution to our problem.
> 
> Our problem is that people simply expect that for example https://packages.debian.org/wheezy/xfce/xfce4-battery-plugin
> displays the battery percentage.

I think we could make things compatible with various battery apps by
having libbattery write back the capacity percentage and time remaining
to the kernel driver via sysfs or a dev entry. Then the kernel interface
can just display the data to whatever apps.

Regards,

Tony

  parent reply	other threads:[~2017-10-18 13:22 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-01 20:55 [RFC PATCH 0/5] Add formula for LiIon batteries to compute capacity Marek Belisko
2017-08-01 20:55 ` [RFC PATCH 1/5] dt-bindings: power: Add battery types Marek Belisko
2017-08-02 11:38   ` Pavel Machek
2017-08-02 11:43   ` Pavel Machek
2017-08-02 11:47     ` Belisko Marek
2017-08-01 20:55 ` [RFC PATCH 2/5] power: generic-adc-battery: Parse more properties from DT Marek Belisko
2017-08-02 11:56   ` Pavel Machek
2017-08-02 11:57     ` Belisko Marek
2017-08-29  9:45   ` Sebastian Reichel
2017-08-01 20:55 ` [RFC PATCH 3/5] power/generic-adc-battery: Add support for temperature and add check for charge from iio current channel Marek Belisko
2017-08-29  9:54   ` Sebastian Reichel
2017-08-01 20:55 ` [RFC PATCH 4/5] power: Add formula for computing LiIon State of Charge from Voltage Marek Belisko
2017-08-01 20:55 ` [RFC PATCH 5/5] power: generic-adc-battery: Add capacity handling Marek Belisko
2017-08-29 10:11   ` Sebastian Reichel
2017-09-08 11:32     ` libbattery was " Pavel Machek
2017-09-08 13:15       ` H. Nikolaus Schaller
2017-09-08 13:15         ` H. Nikolaus Schaller
2017-10-18 12:28       ` Pavel Machek
2017-10-18 12:28         ` Pavel Machek
2017-10-18 12:28         ` Pavel Machek
2017-10-18 12:48         ` H. Nikolaus Schaller
2017-10-18 12:48           ` H. Nikolaus Schaller
2017-10-18 12:48           ` H. Nikolaus Schaller
2017-10-18 13:09           ` Pavel Machek
2017-10-18 13:09             ` Pavel Machek
2017-10-18 13:22           ` Tony Lindgren [this message]
2017-10-18 13:22             ` Tony Lindgren
2017-10-18 13:56             ` Pavel Machek
2017-10-18 13:56               ` Pavel Machek
2017-10-18 15:52               ` H. Nikolaus Schaller
2017-10-18 15:52                 ` H. Nikolaus Schaller
2017-10-18 16:13                 ` Pavel Machek
2017-10-18 16:13                   ` Pavel Machek
2017-10-18 16:48                   ` H. Nikolaus Schaller
2017-10-18 16:48                     ` H. Nikolaus Schaller
2017-10-18 15:47             ` H. Nikolaus Schaller
2017-10-18 15:47               ` H. Nikolaus Schaller
2017-10-18 15:47               ` H. Nikolaus Schaller
2017-10-19 16:24               ` Tony Lindgren
2017-10-19 16:24                 ` Tony Lindgren
2017-10-19 16:55                 ` H. Nikolaus Schaller
2017-10-19 16:55                   ` H. Nikolaus Schaller
2017-10-19 17:06                   ` Tony Lindgren
2017-10-19 17:06                     ` Tony Lindgren
2017-10-19 17:20                     ` H. Nikolaus Schaller
2017-10-19 17:20                       ` H. Nikolaus Schaller
2017-10-19 17:33                 ` Ladislav Michl
2017-10-19 17:33                   ` Ladislav Michl

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