linux-kernel - Re: [PATCH] thinkpad-acpi: setup hotkey polling after changing hotkey_driver

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Message-ID: <20100209003131.GE1420@holoscopio.com>
Date:	Mon, 8 Feb 2010 22:31:32 -0200
From:	Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-acpi@...r.kernel.org,
	Henrique de Moraes Holschuh <ibm-acpi@....eng.br>,
	ibm-acpi-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] thinkpad-acpi: setup hotkey polling after changing
 hotkey_driver_mask

On Mon, Feb 08, 2010 at 04:21:53PM -0800, Andrew Morton wrote:
> On Mon, 8 Feb 2010 22:08:10 -0200
> Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com> wrote:
> 
> >
> > ...
> >
> > > --- a/drivers/platform/x86/thinkpad_acpi.c~thinkpad-acpi-setup-hotkey-polling-after-changing-hotkey_driver_mask-fix
> > > +++ a/drivers/platform/x86/thinkpad_acpi.c
> > > @@ -2597,6 +2597,10 @@ static void hotkey_poll_set_freq(unsigne
> > >  
> > >  #else /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
> > >  
> > > +static void hotkey_poll_setup(bool __unused)
> > > +{
> > > +}
> > > +
> > >  static void hotkey_poll_setup_safe(bool __unused)
> > >  {
> > >  }
> > > @@ -2694,9 +2698,7 @@ static ssize_t hotkey_mask_store(struct 
> > >  
> > >  	res = hotkey_user_mask_set(t);
> > >  
> > > -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
> > >  	hotkey_poll_setup(true);
> > > -#endif
> > >  
> > >  	mutex_unlock(&hotkey_mutex);
> > >  
> > > @@ -6273,9 +6275,7 @@ static int __init brightness_init(struct
> > >  				| TP_ACPI_HKEY_BRGHTUP_MASK
> > >  				| TP_ACPI_HKEY_BRGHTDWN_MASK);;
> > >  
> > > -#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
> > > -	hotkey_poll_setup(true);
> > > -#endif
> > > +	hotkey_poll_setup_safe(true);
> > >  
> > >  	return 0;
> > >  }
> > > _
> > > 
> > 
> > How about the added call to volume_init?
> > 
> 
> I don't know what you mean.
> 

You've fixed the hotkey_poll_setup to a hotkey_poll_setup_safe that has
just been added by a patch of mine to the function brightness_init. The
same has not been done to the call that has been added to the function
volume_init.

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