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From: Pavel Machek <pavel@ucw.cz>
To: dtor_core@ameritech.net
Cc: Andrew Morton <akpm@osdl.org>,
	Linux-pm mailing list <linux-pm@lists.osdl.org>,
	kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [patch] pm: fix runtime powermanagement's /sys interface
Date: Tue, 27 Dec 2005 23:05:33 +0100	[thread overview]
Message-ID: <20051227220533.GA1914@elf.ucw.cz> (raw)
In-Reply-To: <d120d5000512271355r48d476canfea2c978c2f82810@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 720 bytes --]

Hi!

> >  static ssize_t state_show(struct device * dev, struct device_attribute *attr, char * buf)
> >  {
> > -       return sprintf(buf, "%u\n", dev->power.power_state.event);
> > +       if (dev->power.power_state.event)
> > +               return sprintf(buf, "suspend\n");
> > +       else
> > +               return sprintf(buf, "on\n");
> >  }
> 
> Are you sure that having only 2 options (suspend/on) is enough at the
> core level? I could envision having more levels, like "poweroff", etc?

Note that interface is 0/2, currently, so this is improvement :-).

One day, when we find device that needs it, we may want to add more
states. I don't know about such device currently.

								Pavel
-- 
Thanks, Sharp!

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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: dtor_core@ameritech.net
Cc: Andrew Morton <akpm@osdl.org>,
	kernel list <linux-kernel@vger.kernel.org>,
	Linux-pm mailing list <linux-pm@lists.osdl.org>
Subject: Re: [linux-pm] [patch] pm: fix runtime powermanagement's /sys interface
Date: Tue, 27 Dec 2005 23:05:33 +0100	[thread overview]
Message-ID: <20051227220533.GA1914@elf.ucw.cz> (raw)
In-Reply-To: <d120d5000512271355r48d476canfea2c978c2f82810@mail.gmail.com>

Hi!

> >  static ssize_t state_show(struct device * dev, struct device_attribute *attr, char * buf)
> >  {
> > -       return sprintf(buf, "%u\n", dev->power.power_state.event);
> > +       if (dev->power.power_state.event)
> > +               return sprintf(buf, "suspend\n");
> > +       else
> > +               return sprintf(buf, "on\n");
> >  }
> 
> Are you sure that having only 2 options (suspend/on) is enough at the
> core level? I could envision having more levels, like "poweroff", etc?

Note that interface is 0/2, currently, so this is improvement :-).

One day, when we find device that needs it, we may want to add more
states. I don't know about such device currently.

								Pavel
-- 
Thanks, Sharp!

  reply	other threads:[~2005-12-27 22:05 UTC|newest]

Thread overview: 96+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-27 21:34 [patch] pm: fix runtime powermanagement's /sys interface Pavel Machek
2005-12-27 21:34 ` Pavel Machek
2005-12-27 21:55 ` Dmitry Torokhov
2005-12-27 21:55   ` [linux-pm] " Dmitry Torokhov
2005-12-27 22:05   ` Pavel Machek [this message]
2005-12-27 22:05     ` Pavel Machek
2005-12-28  4:22     ` Patrick Mochel
2005-12-28  4:22       ` [linux-pm] " Patrick Mochel
2006-01-04 21:34       ` Pavel Machek
2006-01-04 22:06         ` Alan Stern
2006-01-04 22:06           ` [linux-pm] " Alan Stern
2006-01-04 22:16           ` Pavel Machek
2006-01-05 21:43           ` Patrick Mochel
2006-01-05 21:43             ` [linux-pm] " Patrick Mochel
2006-01-05 22:06             ` Alan Stern
2006-01-05 22:28               ` Pavel Machek
2006-01-05 22:28                 ` [linux-pm] " Pavel Machek
2006-01-05 21:42         ` Patrick Mochel
2006-01-05 21:55           ` Pavel Machek
2006-01-05 21:55             ` [linux-pm] " Pavel Machek
2006-01-05 22:13             ` Dominik Brodowski
2006-01-05 22:23               ` Pavel Machek
2006-01-05 22:27                 ` Dominik Brodowski
2006-01-05 22:59                   ` Pavel Machek
2006-01-05 23:08                   ` Pavel Machek
2006-01-05 23:08                     ` [linux-pm] " Pavel Machek
2006-01-05 23:46                     ` Dominik Brodowski
2006-01-05 23:58                       ` Pavel Machek
2006-01-05 23:58                         ` [linux-pm] " Pavel Machek
2006-01-06  0:04                         ` Patrick Mochel
2006-01-06  0:04                           ` [linux-pm] " Patrick Mochel
2006-01-06  0:12                           ` Pavel Machek
2006-01-06  0:12                             ` [linux-pm] " Pavel Machek
2006-01-06  1:37                             ` Patrick Mochel
2006-01-06  1:37                               ` [linux-pm] " Patrick Mochel
2006-01-06  8:59                               ` Pavel Machek
2006-01-06  8:59                                 ` [linux-pm] " Pavel Machek
2006-01-07  5:47                                 ` Adam Belay
2006-01-07  5:47                                   ` [linux-pm] " Adam Belay
2006-01-06  9:00                               ` Pavel Machek
2006-01-06  9:00                                 ` [linux-pm] " Pavel Machek
2006-01-06 15:00                               ` Dominik Brodowski
2006-01-06 15:00                                 ` [linux-pm] " Dominik Brodowski
2006-01-07  5:58                                 ` Adam Belay
2006-01-07  5:58                                   ` [linux-pm] " Adam Belay
2006-01-06 15:42                               ` Alan Stern
2006-01-06 15:42                                 ` [linux-pm] " Alan Stern
2006-01-07  0:08                                 ` Pavel Machek
2006-01-07  0:08                                   ` [linux-pm] " Pavel Machek
2006-01-07  3:19                                   ` Alan Stern
2006-01-07  3:19                                     ` [linux-pm] " Alan Stern
2006-01-07  7:58                                   ` Adam Belay
2006-01-07  7:58                                     ` [linux-pm] " Adam Belay
2006-01-07 10:20                                     ` Pavel Machek
2006-01-07 10:20                                       ` [linux-pm] " Pavel Machek
2006-01-07 13:06                                       ` Adam Belay
2006-01-07 13:06                                         ` [linux-pm] " Adam Belay
2006-01-06  4:17                                         ` Pavel Machek
2006-01-06  4:17                                           ` [linux-pm] " Pavel Machek
2006-01-07  7:41                                 ` Adam Belay
2006-01-07 15:24                                   ` Alan Stern
2006-01-07 15:24                                     ` [linux-pm] " Alan Stern
2006-01-06  1:10                           ` Dominik Brodowski
2006-01-06  8:53                             ` Pavel Machek
2006-01-06  0:38                   ` Greg KH
2006-01-06  0:38                     ` [linux-pm] " Greg KH
2006-01-06 15:03                     ` Dominik Brodowski
2006-01-06 15:03                       ` [linux-pm] " Dominik Brodowski
2006-01-06 16:25                       ` Kay Sievers
2006-01-06 16:25                         ` [linux-pm] " Kay Sievers
2006-01-09 20:10                         ` Dominik Brodowski
2006-01-05 22:15             ` Patrick Mochel
2006-01-05 22:44               ` Pavel Machek
2006-01-05 22:44                 ` [linux-pm] " Pavel Machek
2006-01-05 23:54                 ` Patrick Mochel
2006-01-05 23:54                   ` [linux-pm] " Patrick Mochel
2006-01-06  0:07                   ` Pavel Machek
2006-01-06 14:34             ` Tom Marshall
2006-01-06 16:20               ` Pavel Machek
2006-01-07  8:36         ` Adam Belay
2006-01-07  8:36           ` [linux-pm] " Adam Belay
2006-01-07 10:25           ` Pavel Machek
2006-01-07 10:25             ` [linux-pm] " Pavel Machek
2006-01-07 12:45             ` Adam Belay
2006-01-07 12:45               ` [linux-pm] " Adam Belay
2006-01-06  4:24               ` Pavel Machek
2006-01-06  4:24                 ` [linux-pm] " Pavel Machek
2006-01-13 20:00                 ` Takashi Iwai
2006-01-13 20:00                   ` [linux-pm] " Takashi Iwai
  -- strict thread matches above, loose matches on Subject: below --
2006-01-05 15:16 Scott E. Preece
2006-01-05 22:21 Preece Scott-PREECE
2006-01-05 22:45 ` Pavel Machek
2006-01-06  0:02 ` Patrick Mochel
2006-01-05 22:55 Preece Scott-PREECE
2006-01-05 23:05 ` Pavel Machek
2006-01-06  0:31 Scott E. Preece

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