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* [PATCH 0/2] sony-laptop: docs and maintainer update
@ 2007-02-08 19:16 malattia
  2007-02-08 19:16 ` [PATCH 1/2] Add new sony laptop drivers maintainer malattia
  0 siblings, 1 reply; 15+ messages in thread
From: malattia @ 2007-02-08 19:16 UTC (permalink / raw)
  To: lenb; +Cc: linux-acpi


Hello.
Well, there's not much to tell more than the subject says.

Maybe it would be nice if some native speaker (or reader) could
proof-read the text :)

Thanks
-- 
mattia
:wq!

^ permalink raw reply	[flat|nested] 15+ messages in thread

* [PATCH 1/2] Add new sony laptop drivers maintainer
  2007-02-08 19:16 [PATCH 0/2] sony-laptop: docs and maintainer update malattia
@ 2007-02-08 19:16 ` malattia
  2007-02-08 19:16   ` [PATCH 2/2] Update sony-laptop docs malattia
                     ` (2 more replies)
  0 siblings, 3 replies; 15+ messages in thread
From: malattia @ 2007-02-08 19:16 UTC (permalink / raw)
  To: lenb; +Cc: linux-acpi, Mattia Dongili

From: Mattia Dongili <malattia@linux.it>

Signed-off-by: Mattia Dongili <malattia@linux.it>
---
 MAINTAINERS |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index efca26a..ec97723 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3012,6 +3012,8 @@ S:	Maintained
 SONY VAIO CONTROL DEVICE DRIVER
 P:	Stelian Pop
 M:	stelian@popies.net
+P:	Mattia Dongili
+M:	malattia@linux.it
 W:	http://popies.net/sonypi/
 S:	Maintained
 
-- 
1.4.4.3


^ permalink raw reply	[flat|nested] 15+ messages in thread

* [PATCH 2/2] Update sony-laptop docs
  2007-02-08 19:16 ` [PATCH 1/2] Add new sony laptop drivers maintainer malattia
@ 2007-02-08 19:16   ` malattia
  2007-02-09  6:52     ` Len Brown
  2007-02-09  6:44   ` [PATCH 1/2] Add new sony laptop drivers maintainer Len Brown
  2007-02-10 18:06   ` [PATCH 1/1] New sony laptop drivers maintainer Mattia Dongili
  2 siblings, 1 reply; 15+ messages in thread
From: malattia @ 2007-02-08 19:16 UTC (permalink / raw)
  To: lenb; +Cc: linux-acpi, Mattia Dongili

From: Mattia Dongili <malattia@linux.it>

Be consistent with current implementation (backlight subsys and
platform_device).

Signed-off-by: Mattia Dongili <malattia@linux.it>
---
 Documentation/acpi/sony_acpi.txt |   87 -------------------------------
 Documentation/sony-laptop.txt    |  106 ++++++++++++++++++++++++++++++++++++++
 drivers/misc/Kconfig             |   14 +++---
 3 files changed, 113 insertions(+), 94 deletions(-)

diff --git a/Documentation/acpi/sony_acpi.txt b/Documentation/acpi/sony_acpi.txt
deleted file mode 100644
index 35a04be..0000000
--- a/Documentation/acpi/sony_acpi.txt
+++ /dev/null
@@ -1,87 +0,0 @@
-ACPI Sony Notebook Control Driver (SNC) Readme
-----------------------------------------------
-	Copyright (C) 2004- 2005 Stelian Pop <stelian@popies.net>
-
-This mini-driver drives the ACPI SNC device present in the
-ACPI BIOS of the Sony Vaio laptops.
-
-It gives access to some extra laptop functionalities. In
-its current form, this driver is mainly useful for controlling the
-screen brightness, but it may do more in the future.
-
-You should probably start by trying the sonypi driver, and try
-sony_acpi only if sonypi doesn't work for you.
-
-Usage:
-------
-
-Loading the sony_acpi module will create a /proc/acpi/sony/
-directory populated with a couple of files.
-
-You then read/write integer values from/to those files by using
-standard UNIX tools.
-
-The files are:
-	brightness		current screen brightness
-	brightness_default	screen brightness which will be set
-				when the laptop will be rebooted
-	cdpower			power on/off the internal CD drive
-
-Note that some files may be missing if they are not supported
-by your particular laptop model.
-
-Example usage:
-	# echo "1" > /proc/acpi/sony/brightness
-sets the lowest screen brightness,
-	# echo "8" > /proc/acpi/sony/brightness
-sets the highest screen brightness,
-	# cat /proc/acpi/sony/brightness
-retrieves the current screen brightness.
-
-Development:
-------------
-
-If you want to help with the development of this driver (and
-you are not afraid of any side effects doing strange things with
-your ACPI BIOS could have on your laptop), load the driver and
-pass the option 'debug=1'.
-
-REPEAT: DON'T DO THIS IF YOU DON'T LIKE RISKY BUSINESS.
-
-In your kernel logs you will find the list of all ACPI methods
-the SNC device has on your laptop. You can see the GBRT/SBRT methods
-used to get/set the brightness, but there are others.
-
-I HAVE NO IDEA WHAT THOSE METHODS DO.
-
-The sony_acpi driver creates, for some of those methods (the most
-current ones found on several Vaio models), an entry under
-/proc/acpi/sony/, just like the 'brightness' one. You can create
-other entries corresponding to your own laptop methods by further
-editing the source (see the 'sony_acpi_values' table, and add a new
-structure to this table with your get/set method names).
-
-Your mission, should you accept it, is to try finding out what
-those entries are for, by reading/writing random values from/to those
-files and find out what is the impact on your laptop.
-
-Should you find anything interesting, please report it back to me,
-I will not disavow all knowledge of your actions :)
-
-Bugs/Limitations:
------------------
-
-* This driver is not based on official documentation from Sony
-  (because there is none), so there is no guarantee this driver
-  will work at all, or do the right thing. Although this hasn't
-  happened to me, this driver could do very bad things to your
-  laptop, including permanent damage.
-
-* The sony_acpi and sonypi drivers do not interact at all. In the
-  future, sonypi could use sony_acpi to do (part of) its business.
-
-* spicctrl, which is the userspace tool used to communicate with the
-  sonypi driver (through /dev/sonypi) does not try to use the
-  sony_acpi driver. In the future, spicctrl could try sonypi first,
-  and if it isn't present, try sony_acpi instead.
-
diff --git a/Documentation/sony-laptop.txt b/Documentation/sony-laptop.txt
new file mode 100644
index 0000000..dfd26df
--- /dev/null
+++ b/Documentation/sony-laptop.txt
@@ -0,0 +1,106 @@
+Sony Notebook Control Driver (SNC) Readme
+-----------------------------------------
+	Copyright (C) 2004- 2005 Stelian Pop <stelian@popies.net>
+	Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
+
+This mini-driver drives the SNC device present in the ACPI BIOS of
+the Sony Vaio laptops.
+
+It gives access to some extra laptop functionalities. In its current
+form, this driver let the user set or query the screen brightness
+through the backlight subsystem and remove/apply power to some devices.
+
+Backlight control:
+------------------
+If your laptop model supports it, you will find sysfs files in the
+/sys/class/backlight/sony/
+directory. You will be able to query and set the current screen
+brightness:
+	brightness		get/set screen brightness (an iteger
+				between 0 and 7)
+	actual_brightness	reading from this file will query the HW
+				to get real brightness value
+	max_brightness		the maximum brightness value
+
+
+Platform specific:
+------------------
+Loading the sony-laptop module will create a
+/sys/devices/platform/sony-laptop/
+directory populated with some files.
+
+You then read/write integer values from/to those files by using
+standard UNIX tools.
+
+The files are:
+	brightness_default	screen brightness which will be set
+				when the laptop will be rebooted
+	cdpower			power on/off the internal CD drive
+	audiopower		power on/off the internal sound card
+	lanpower		power on/off the internal ethernet card
+				(only in debug mode)
+
+Note that some files may be missing if they are not supported
+by your particular laptop model.
+
+Example usage:
+	# echo "1" > /sys/devices/platform/sony-laptop/brightness_default
+sets the lowest screen brightness for the next and later reboots,
+	# echo "8" > /sys/devices/platform/sony-laptop/brightness_default
+sets the highest screen brightness for the next and later reboots,
+	# cat /sys/devices/platform/sony-laptop/brightness_default
+retrieves the value.
+
+	# echo "0" > /sys/devices/platform/sony-laptop/audiopower
+powers off the sound card,
+	# echo "1" > /sys/devices/platform/sony-laptop/audiopower
+powers on the sound card.
+
+Development:
+------------
+
+If you want to help with the development of this driver (and
+you are not afraid of any side effects doing strange things with
+your ACPI BIOS could have on your laptop), load the driver and
+pass the option 'debug=1'.
+
+REPEAT: DON'T DO THIS IF YOU DON'T LIKE RISKY BUSINESS.
+
+In your kernel logs you will find the list of all ACPI methods
+the SNC device has on your laptop. You can see the GCDP/GCDP methods
+used to pwer on/off the CD drive, but there are others.
+
+I HAVE NO IDEA WHAT THOSE METHODS DO.
+
+The sony-laptop driver creates, for some of those methods (the most
+current ones found on several Vaio models), an entry under
+/sys/devices/platform/sony-laptop, just like the 'cdpower' one.
+You can create other entries corresponding to your own laptop methods by
+further editing the source (see the 'sony_acpi_values' table, and add a new
+entry to this table with your get/set method names using the
+HANDLE_NAMES macro).
+
+Your mission, should you accept it, is to try finding out what
+those entries are for, by reading/writing random values from/to those
+files and find out what is the impact on your laptop.
+
+Should you find anything interesting, please report it back to me,
+I will not disavow all knowledge of your actions :)
+
+Bugs/Limitations:
+-----------------
+
+* This driver is not based on official documentation from Sony
+  (because there is none), so there is no guarantee this driver
+  will work at all, or do the right thing. Although this hasn't
+  happened to me, this driver could do very bad things to your
+  laptop, including permanent damage.
+
+* The sony-laptop and sonypi drivers do not interact at all. In the
+  future, sonypi could use sony-laptop to do (part of) its business.
+
+* spicctrl, which is the userspace tool used to communicate with the
+  sonypi driver (through /dev/sonypi) does not try to use the
+  sony-laptop driver. In the future, spicctrl could try sonypi first,
+  and if it isn't present, try sony-laptop instead.
+
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 926ae11..8c409dc 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -112,14 +112,14 @@ config SONY_LAPTOP
 	depends on X86 && ACPI
 	select BACKLIGHT_CLASS_DEVICE
 	  ---help---
-	  This mini-driver drives the ACPI SNC device present in the
-	  ACPI BIOS of the Sony Vaio laptops.
+	  This mini-driver drives the SNC device present in the ACPI BIOS of
+	  the Sony Vaio laptops.
 
-	  It gives access to some extra laptop functionalities. In
-	  its current form, the only thing this driver does is letting
-	  the user set or query the screen brightness and remove/apply
-	  power to some devices.
+	  It gives access to some extra laptop functionalities. In its current
+	  form, this driver let the user set or query the screen brightness
+	  through the backlight subsystem and remove/apply power to some
+	  devices.
 
-	  Read <file:Documentation/acpi/sony_acpi.txt> for more information.
+	  Read <file:Documentation/sony-laptop.txt> for more information.
 
 endmenu
-- 
1.4.4.3


^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] Add new sony laptop drivers maintainer
  2007-02-08 19:16 ` [PATCH 1/2] Add new sony laptop drivers maintainer malattia
  2007-02-08 19:16   ` [PATCH 2/2] Update sony-laptop docs malattia
@ 2007-02-09  6:44   ` Len Brown
  2007-02-09 13:34     ` Stelian Pop
  2007-02-10 18:06   ` [PATCH 1/1] New sony laptop drivers maintainer Mattia Dongili
  2 siblings, 1 reply; 15+ messages in thread
From: Len Brown @ 2007-02-09  6:44 UTC (permalink / raw)
  To: malattia, stelian; +Cc: linux-acpi

On Thursday 08 February 2007 14:16, malattia@linux.it wrote:
> From: Mattia Dongili <malattia@linux.it>
> 
> Signed-off-by: Mattia Dongili <malattia@linux.it>
> ---
>  MAINTAINERS |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index efca26a..ec97723 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3012,6 +3012,8 @@ S:	Maintained
>  SONY VAIO CONTROL DEVICE DRIVER
>  P:	Stelian Pop
>  M:	stelian@popies.net
> +P:	Mattia Dongili
> +M:	malattia@linux.it
>  W:	http://popies.net/sonypi/
>  S:	Maintained

Stelian, are you still actively maintaining Sony support,
or should we simply replace your name here with Mattia?

thanks,
-Len

^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 2/2] Update sony-laptop docs
  2007-02-08 19:16   ` [PATCH 2/2] Update sony-laptop docs malattia
@ 2007-02-09  6:52     ` Len Brown
  0 siblings, 0 replies; 15+ messages in thread
From: Len Brown @ 2007-02-09  6:52 UTC (permalink / raw)
  To: malattia; +Cc: linux-acpi

I didn't notice any Italian:-)

Applied.

thanks,
-Len

On Thursday 08 February 2007 14:16, malattia@linux.it wrote:
> From: Mattia Dongili <malattia@linux.it>
> 
> Be consistent with current implementation (backlight subsys and
> platform_device).
> 
> Signed-off-by: Mattia Dongili <malattia@linux.it>
> ---
>  Documentation/acpi/sony_acpi.txt |   87 -------------------------------
>  Documentation/sony-laptop.txt    |  106 ++++++++++++++++++++++++++++++++++++++
>  drivers/misc/Kconfig             |   14 +++---
>  3 files changed, 113 insertions(+), 94 deletions(-)
> 
> diff --git a/Documentation/acpi/sony_acpi.txt b/Documentation/acpi/sony_acpi.txt
> deleted file mode 100644
> index 35a04be..0000000
> --- a/Documentation/acpi/sony_acpi.txt
> +++ /dev/null
> @@ -1,87 +0,0 @@
> -ACPI Sony Notebook Control Driver (SNC) Readme
> -----------------------------------------------
> -	Copyright (C) 2004- 2005 Stelian Pop <stelian@popies.net>
> -
> -This mini-driver drives the ACPI SNC device present in the
> -ACPI BIOS of the Sony Vaio laptops.
> -
> -It gives access to some extra laptop functionalities. In
> -its current form, this driver is mainly useful for controlling the
> -screen brightness, but it may do more in the future.
> -
> -You should probably start by trying the sonypi driver, and try
> -sony_acpi only if sonypi doesn't work for you.
> -
> -Usage:
> -------
> -
> -Loading the sony_acpi module will create a /proc/acpi/sony/
> -directory populated with a couple of files.
> -
> -You then read/write integer values from/to those files by using
> -standard UNIX tools.
> -
> -The files are:
> -	brightness		current screen brightness
> -	brightness_default	screen brightness which will be set
> -				when the laptop will be rebooted
> -	cdpower			power on/off the internal CD drive
> -
> -Note that some files may be missing if they are not supported
> -by your particular laptop model.
> -
> -Example usage:
> -	# echo "1" > /proc/acpi/sony/brightness
> -sets the lowest screen brightness,
> -	# echo "8" > /proc/acpi/sony/brightness
> -sets the highest screen brightness,
> -	# cat /proc/acpi/sony/brightness
> -retrieves the current screen brightness.
> -
> -Development:
> -------------
> -
> -If you want to help with the development of this driver (and
> -you are not afraid of any side effects doing strange things with
> -your ACPI BIOS could have on your laptop), load the driver and
> -pass the option 'debug=1'.
> -
> -REPEAT: DON'T DO THIS IF YOU DON'T LIKE RISKY BUSINESS.
> -
> -In your kernel logs you will find the list of all ACPI methods
> -the SNC device has on your laptop. You can see the GBRT/SBRT methods
> -used to get/set the brightness, but there are others.
> -
> -I HAVE NO IDEA WHAT THOSE METHODS DO.
> -
> -The sony_acpi driver creates, for some of those methods (the most
> -current ones found on several Vaio models), an entry under
> -/proc/acpi/sony/, just like the 'brightness' one. You can create
> -other entries corresponding to your own laptop methods by further
> -editing the source (see the 'sony_acpi_values' table, and add a new
> -structure to this table with your get/set method names).
> -
> -Your mission, should you accept it, is to try finding out what
> -those entries are for, by reading/writing random values from/to those
> -files and find out what is the impact on your laptop.
> -
> -Should you find anything interesting, please report it back to me,
> -I will not disavow all knowledge of your actions :)
> -
> -Bugs/Limitations:
> ------------------
> -
> -* This driver is not based on official documentation from Sony
> -  (because there is none), so there is no guarantee this driver
> -  will work at all, or do the right thing. Although this hasn't
> -  happened to me, this driver could do very bad things to your
> -  laptop, including permanent damage.
> -
> -* The sony_acpi and sonypi drivers do not interact at all. In the
> -  future, sonypi could use sony_acpi to do (part of) its business.
> -
> -* spicctrl, which is the userspace tool used to communicate with the
> -  sonypi driver (through /dev/sonypi) does not try to use the
> -  sony_acpi driver. In the future, spicctrl could try sonypi first,
> -  and if it isn't present, try sony_acpi instead.
> -
> diff --git a/Documentation/sony-laptop.txt b/Documentation/sony-laptop.txt
> new file mode 100644
> index 0000000..dfd26df
> --- /dev/null
> +++ b/Documentation/sony-laptop.txt
> @@ -0,0 +1,106 @@
> +Sony Notebook Control Driver (SNC) Readme
> +-----------------------------------------
> +	Copyright (C) 2004- 2005 Stelian Pop <stelian@popies.net>
> +	Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
> +
> +This mini-driver drives the SNC device present in the ACPI BIOS of
> +the Sony Vaio laptops.
> +
> +It gives access to some extra laptop functionalities. In its current
> +form, this driver let the user set or query the screen brightness
> +through the backlight subsystem and remove/apply power to some devices.
> +
> +Backlight control:
> +------------------
> +If your laptop model supports it, you will find sysfs files in the
> +/sys/class/backlight/sony/
> +directory. You will be able to query and set the current screen
> +brightness:
> +	brightness		get/set screen brightness (an iteger
> +				between 0 and 7)
> +	actual_brightness	reading from this file will query the HW
> +				to get real brightness value
> +	max_brightness		the maximum brightness value
> +
> +
> +Platform specific:
> +------------------
> +Loading the sony-laptop module will create a
> +/sys/devices/platform/sony-laptop/
> +directory populated with some files.
> +
> +You then read/write integer values from/to those files by using
> +standard UNIX tools.
> +
> +The files are:
> +	brightness_default	screen brightness which will be set
> +				when the laptop will be rebooted
> +	cdpower			power on/off the internal CD drive
> +	audiopower		power on/off the internal sound card
> +	lanpower		power on/off the internal ethernet card
> +				(only in debug mode)
> +
> +Note that some files may be missing if they are not supported
> +by your particular laptop model.
> +
> +Example usage:
> +	# echo "1" > /sys/devices/platform/sony-laptop/brightness_default
> +sets the lowest screen brightness for the next and later reboots,
> +	# echo "8" > /sys/devices/platform/sony-laptop/brightness_default
> +sets the highest screen brightness for the next and later reboots,
> +	# cat /sys/devices/platform/sony-laptop/brightness_default
> +retrieves the value.
> +
> +	# echo "0" > /sys/devices/platform/sony-laptop/audiopower
> +powers off the sound card,
> +	# echo "1" > /sys/devices/platform/sony-laptop/audiopower
> +powers on the sound card.
> +
> +Development:
> +------------
> +
> +If you want to help with the development of this driver (and
> +you are not afraid of any side effects doing strange things with
> +your ACPI BIOS could have on your laptop), load the driver and
> +pass the option 'debug=1'.
> +
> +REPEAT: DON'T DO THIS IF YOU DON'T LIKE RISKY BUSINESS.
> +
> +In your kernel logs you will find the list of all ACPI methods
> +the SNC device has on your laptop. You can see the GCDP/GCDP methods
> +used to pwer on/off the CD drive, but there are others.
> +
> +I HAVE NO IDEA WHAT THOSE METHODS DO.
> +
> +The sony-laptop driver creates, for some of those methods (the most
> +current ones found on several Vaio models), an entry under
> +/sys/devices/platform/sony-laptop, just like the 'cdpower' one.
> +You can create other entries corresponding to your own laptop methods by
> +further editing the source (see the 'sony_acpi_values' table, and add a new
> +entry to this table with your get/set method names using the
> +HANDLE_NAMES macro).
> +
> +Your mission, should you accept it, is to try finding out what
> +those entries are for, by reading/writing random values from/to those
> +files and find out what is the impact on your laptop.
> +
> +Should you find anything interesting, please report it back to me,
> +I will not disavow all knowledge of your actions :)
> +
> +Bugs/Limitations:
> +-----------------
> +
> +* This driver is not based on official documentation from Sony
> +  (because there is none), so there is no guarantee this driver
> +  will work at all, or do the right thing. Although this hasn't
> +  happened to me, this driver could do very bad things to your
> +  laptop, including permanent damage.
> +
> +* The sony-laptop and sonypi drivers do not interact at all. In the
> +  future, sonypi could use sony-laptop to do (part of) its business.
> +
> +* spicctrl, which is the userspace tool used to communicate with the
> +  sonypi driver (through /dev/sonypi) does not try to use the
> +  sony-laptop driver. In the future, spicctrl could try sonypi first,
> +  and if it isn't present, try sony-laptop instead.
> +
> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> index 926ae11..8c409dc 100644
> --- a/drivers/misc/Kconfig
> +++ b/drivers/misc/Kconfig
> @@ -112,14 +112,14 @@ config SONY_LAPTOP
>  	depends on X86 && ACPI
>  	select BACKLIGHT_CLASS_DEVICE
>  	  ---help---
> -	  This mini-driver drives the ACPI SNC device present in the
> -	  ACPI BIOS of the Sony Vaio laptops.
> +	  This mini-driver drives the SNC device present in the ACPI BIOS of
> +	  the Sony Vaio laptops.
>  
> -	  It gives access to some extra laptop functionalities. In
> -	  its current form, the only thing this driver does is letting
> -	  the user set or query the screen brightness and remove/apply
> -	  power to some devices.
> +	  It gives access to some extra laptop functionalities. In its current
> +	  form, this driver let the user set or query the screen brightness
> +	  through the backlight subsystem and remove/apply power to some
> +	  devices.
>  
> -	  Read <file:Documentation/acpi/sony_acpi.txt> for more information.
> +	  Read <file:Documentation/sony-laptop.txt> for more information.
>  
>  endmenu

^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] Add new sony laptop drivers maintainer
  2007-02-09  6:44   ` [PATCH 1/2] Add new sony laptop drivers maintainer Len Brown
@ 2007-02-09 13:34     ` Stelian Pop
  2007-02-09 14:01       ` Mattia Dongili
  0 siblings, 1 reply; 15+ messages in thread
From: Stelian Pop @ 2007-02-09 13:34 UTC (permalink / raw)
  To: Len Brown; +Cc: malattia, linux-acpi

Le vendredi 09 février 2007 à 01:44 -0500, Len Brown a écrit :
> On Thursday 08 February 2007 14:16, malattia@linux.it wrote:
> > From: Mattia Dongili <malattia@linux.it>
> > 
> > Signed-off-by: Mattia Dongili <malattia@linux.it>
> > ---
> >  MAINTAINERS |    2 ++
> >  1 files changed, 2 insertions(+), 0 deletions(-)
> > 
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index efca26a..ec97723 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -3012,6 +3012,8 @@ S:	Maintained
> >  SONY VAIO CONTROL DEVICE DRIVER
> >  P:	Stelian Pop
> >  M:	stelian@popies.net
> > +P:	Mattia Dongili
> > +M:	malattia@linux.it
> >  W:	http://popies.net/sonypi/
> >  S:	Maintained
> 
> Stelian, are you still actively maintaining Sony support,

Actively definately not, though I still answer a lot of support
questions about sonypi.

I even receive patches from time to time :)

> or should we simply replace your name here with Mattia?

>From what I recall, Mattia took over sony_acpi but didn't want to handle
sonypi as well, at least not for the time being. 

If he changed his mind I'm hapily handing over the maintenance to him.

If not, maybe the MAINTAINERS entry should be clarified to say that
Mattia maintains sony_acpi and sonypi is currently not maintained.

-- 
Stelian Pop <stelian@popies.net>

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^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: [PATCH 1/2] Add new sony laptop drivers maintainer
  2007-02-09 13:34     ` Stelian Pop
@ 2007-02-09 14:01       ` Mattia Dongili
  2007-02-09 16:58         ` sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer) Len Brown
  0 siblings, 1 reply; 15+ messages in thread
From: Mattia Dongili @ 2007-02-09 14:01 UTC (permalink / raw)
  To: Stelian Pop; +Cc: Len Brown, linux-acpi

On Fri, February 9, 2007 2:34 pm, Stelian Pop said:
> Le vendredi 09 février 2007 à 01:44 -0500, Len Brown a écrit :
>> On Thursday 08 February 2007 14:16, malattia@linux.it wrote:
>> > From: Mattia Dongili <malattia@linux.it>
>> >
>> > Signed-off-by: Mattia Dongili <malattia@linux.it>
>> > ---
>> >  MAINTAINERS |    2 ++
>> >  1 files changed, 2 insertions(+), 0 deletions(-)
>> >
>> > diff --git a/MAINTAINERS b/MAINTAINERS
>> > index efca26a..ec97723 100644
>> > --- a/MAINTAINERS
>> > +++ b/MAINTAINERS
>> > @@ -3012,6 +3012,8 @@ S:	Maintained
>> >  SONY VAIO CONTROL DEVICE DRIVER
>> >  P:	Stelian Pop
>> >  M:	stelian@popies.net
>> > +P:	Mattia Dongili
>> > +M:	malattia@linux.it
>> >  W:	http://popies.net/sonypi/
>> >  S:	Maintained
>>
>> Stelian, are you still actively maintaining Sony support,
>
> Actively definately not, though I still answer a lot of support
> questions about sonypi.
>
> I even receive patches from time to time :)
>
>> or should we simply replace your name here with Mattia?
>
>>From what I recall, Mattia took over sony_acpi but didn't want to handle
> sonypi as well, at least not for the time being.
>
> If he changed his mind I'm hapily handing over the maintenance to him.
>
> If not, maybe the MAINTAINERS entry should be clarified to say that
> Mattia maintains sony_acpi and sonypi is currently not maintained.

Well, I'd hate losing possibly useful patches because the driver results
unmaintained. :)
Sooo... updated MAINTAINERS patch will follow soon.

One question though: which subsystem should sonypi patches flow through?

-- 
mattia
:wq!


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^ permalink raw reply	[flat|nested] 15+ messages in thread

* sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer)
  2007-02-09 14:01       ` Mattia Dongili
@ 2007-02-09 16:58         ` Len Brown
  2007-02-09 19:25           ` Mattia Dongili
  2007-02-10 21:59           ` Stelian Pop
  0 siblings, 2 replies; 15+ messages in thread
From: Len Brown @ 2007-02-09 16:58 UTC (permalink / raw)
  To: Mattia Dongili; +Cc: Stelian Pop, linux-acpi

On Friday 09 February 2007 09:01, Mattia Dongili wrote:
> On Fri, February 9, 2007 2:34 pm, Stelian Pop said:
> > Le vendredi 09 février 2007 à 01:44 -0500, Len Brown a écrit :
> >> On Thursday 08 February 2007 14:16, malattia@linux.it wrote:
> >> > From: Mattia Dongili <malattia@linux.it>
> >> >
> >> > Signed-off-by: Mattia Dongili <malattia@linux.it>
> >> > ---
> >> >  MAINTAINERS |    2 ++
> >> >  1 files changed, 2 insertions(+), 0 deletions(-)
> >> >
> >> > diff --git a/MAINTAINERS b/MAINTAINERS
> >> > index efca26a..ec97723 100644
> >> > --- a/MAINTAINERS
> >> > +++ b/MAINTAINERS
> >> > @@ -3012,6 +3012,8 @@ S:	Maintained
> >> >  SONY VAIO CONTROL DEVICE DRIVER
> >> >  P:	Stelian Pop
> >> >  M:	stelian@popies.net
> >> > +P:	Mattia Dongili
> >> > +M:	malattia@linux.it
> >> >  W:	http://popies.net/sonypi/
> >> >  S:	Maintained
> >>
> >> Stelian, are you still actively maintaining Sony support,
> >
> > Actively definately not, though I still answer a lot of support
> > questions about sonypi.
> >
> > I even receive patches from time to time :)
> >
> >> or should we simply replace your name here with Mattia?
> >
> >>From what I recall, Mattia took over sony_acpi but didn't want to handle
> > sonypi as well, at least not for the time being.
> >
> > If he changed his mind I'm hapily handing over the maintenance to him.
> >
> > If not, maybe the MAINTAINERS entry should be clarified to say that
> > Mattia maintains sony_acpi and sonypi is currently not maintained.
> 
> Well, I'd hate losing possibly useful patches because the driver results
> unmaintained. :)
> Sooo... updated MAINTAINERS patch will follow soon.

sonypi is an interesting beast, and I do mean beast.
It pre-dates Linux ACPI support by several years
and is chock-full of reverse engineered magic numbers.

It is much more complicated than sony-laptop.
It has a device file, ioctls, it registers for and handles irqs,
it tickles bluetooth, the camera, the hotkeys, jog dial --
and it also registers with ACPI on SONY6001
and talks to the ACPI EC -- with or without ACPI present.

Presumably there is some application that talks to those ioctls.

Happily it already registers all the input events with
the input layer.

I think one of the major decisions you need to make going forward
is if it makes sense to maintain the parts of sonypi
that are reverse engineered AML -- rather than simply
running in ACPI mode and invoking the AML in the BIOS.

To be effective at this, you need a machine on hand that
actually runs the sonypi features.  Lacking that, you need
active testers and a copy of their acpidump.

Personally, I think that invoking machine specific AML
has its risks, but invoking C-ized machine specific AML
sucked into a platform specific driver borders on the insane.
(but Linux didn't have ACPI in 2000, so maybe "determined"
would be a more appropriate word:-)

Stelian,
I think if you can list what you know actually works on what models,
and what may not work, and what you think about the code needs to
be changed, that would help Mattia enormously.

I suggest that the goal might be to have a single consolidated
sony-laptop driver.  Ie. port the working features one by one
from sonypi into sony-laptop, and when sony-laptop can do everything
that sonypi can do (though maybe not with the same ioctl interface etc)
the schedule sonypi for deletion.  But in the mean time, on the
assumption the people actually use sonypi to make their vaio's
dance in useful ways, I would leave it alone for their benefit.

Or, it may be possible to make a gradual transition --
this would spread the migration pain over a longer period,
but would also spread the testing over a longer period
and probably end up with a better driver in the end.
You'd have to convince both drivers to load at the same
time and to not conflict.  Maybe some shared state could
tell them which features are handled by which, so you could
test if the new driver is working by flipping some load-time
bits...  I don't know if this is possible or not -- depends on
how the features and the models interact with each other.

In any case, I think it would make sense to cook up a transition plan
and to let the users know what you are thinking before you do it.
If you don't have folks testing it on the models you don't have
then you'll be unable to make progress.

> One question though: which subsystem should sonypi patches flow through?

In the interest of making ACPI use in the platform specific drivers
sane and uniform, I'll be happy to be the conduit to upstream
to clean this up.  In particular, I'd really like to see the
reverse engineered AML implemented as C IO reads and writes go away.

thanks,
-Len
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^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer)
  2007-02-09 16:58         ` sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer) Len Brown
@ 2007-02-09 19:25           ` Mattia Dongili
  2007-02-09 21:02             ` Mattia Dongili
  2007-02-10 22:07             ` Stelian Pop
  2007-02-10 21:59           ` Stelian Pop
  1 sibling, 2 replies; 15+ messages in thread
From: Mattia Dongili @ 2007-02-09 19:25 UTC (permalink / raw)
  To: Len Brown; +Cc: Stelian Pop, linux-acpi

On Fri, Feb 09, 2007 at 11:58:18AM -0500, Len Brown wrote:
> On Friday 09 February 2007 09:01, Mattia Dongili wrote:
[...]
> 
> sonypi is an interesting beast, and I do mean beast.
> It pre-dates Linux ACPI support by several years
> and is chock-full of reverse engineered magic numbers.
> 
> It is much more complicated than sony-laptop.
> It has a device file, ioctls, it registers for and handles irqs,
> it tickles bluetooth, the camera, the hotkeys, jog dial --
> and it also registers with ACPI on SONY6001
> and talks to the ACPI EC -- with or without ACPI present.
> 
> Presumably there is some application that talks to those ioctls.

Yep, sonypid spicctrl sjog sonykeyd just to name a few.

> Happily it already registers all the input events with
> the input layer.
> 
> I think one of the major decisions you need to make going forward
> is if it makes sense to maintain the parts of sonypi
> that are reverse engineered AML -- rather than simply
> running in ACPI mode and invoking the AML in the BIOS.

My secret plan was to try to write an ACPI only version of the driver,
so I started seriously reading acpi spec, dissecting DSDT, etc. But I
need some time and possibly help and trial and error.
I'm lucky though, there's some code already in place that does that.

> To be effective at this, you need a machine on hand that
> actually runs the sonypi features.  Lacking that, you need
> active testers and a copy of their acpidump.

Fortunately I own a type2 and a couple of type3 laptops but none of
which has a motion eye camera.
And one of the type3 has problem with sonypi so this is a good starting
point :)

> Personally, I think that invoking machine specific AML
> has its risks, but invoking C-ized machine specific AML
> sucked into a platform specific driver borders on the insane.
> (but Linux didn't have ACPI in 2000, so maybe "determined"
> would be a more appropriate word:-)
> 
> Stelian,
> I think if you can list what you know actually works on what models,
> and what may not work, and what you think about the code needs to
> be changed, that would help Mattia enormously.
> 
> I suggest that the goal might be to have a single consolidated
> sony-laptop driver.  Ie. port the working features one by one
> from sonypi into sony-laptop, and when sony-laptop can do everything
> that sonypi can do (though maybe not with the same ioctl interface etc)
> the schedule sonypi for deletion.  But in the mean time, on the
> assumption the people actually use sonypi to make their vaio's
> dance in useful ways, I would leave it alone for their benefit.
> 
> Or, it may be possible to make a gradual transition --
> this would spread the migration pain over a longer period,
> but would also spread the testing over a longer period
> and probably end up with a better driver in the end.
> You'd have to convince both drivers to load at the same
> time and to not conflict.  Maybe some shared state could
> tell them which features are handled by which, so you could
> test if the new driver is working by flipping some load-time
> bits...  I don't know if this is possible or not -- depends on
> how the features and the models interact with each other.

Probably I could start moving functionalities to sony-laptop and expose
functions so that sonypi will use those instead of its own (kind of a
mix of your 2 suggestions). Modprobe will handle loading of both when
needed.
Backlight control is already one of the features that could be moved
away from sonypi.

At one point sonypi could just implement the ioctls and device file
needed for backward compatibility.
But I need to start playing seriously with sonypi's code before getting
a clear idea if this is really doable or not.

Stelian: thoughts?
I remember an (very?) old discussion where you've been asked to
implement sonypi using acpi functions and the answer was something like
"if acpi will allow that..."

> In any case, I think it would make sense to cook up a transition plan
> and to let the users know what you are thinking before you do it.
> If you don't have folks testing it on the models you don't have
> then you'll be unable to make progress.
> 
> > One question though: which subsystem should sonypi patches flow through?
> 
> In the interest of making ACPI use in the platform specific drivers
> sane and uniform, I'll be happy to be the conduit to upstream
> to clean this up.  In particular, I'd really like to see the
> reverse engineered AML implemented as C IO reads and writes go away.

Ok, thanks.
-- 
mattia
:wq!

^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer)
  2007-02-09 19:25           ` Mattia Dongili
@ 2007-02-09 21:02             ` Mattia Dongili
  2007-02-10 22:07             ` Stelian Pop
  1 sibling, 0 replies; 15+ messages in thread
From: Mattia Dongili @ 2007-02-09 21:02 UTC (permalink / raw)
  To: Len Brown; +Cc: Stelian Pop, linux-acpi

On Fri, Feb 09, 2007 at 08:25:13PM +0100, Mattia Dongili wrote:
> On Fri, Feb 09, 2007 at 11:58:18AM -0500, Len Brown wrote:
[...]
> > > One question though: which subsystem should sonypi patches flow through?
> > 
> > In the interest of making ACPI use in the platform specific drivers
> > sane and uniform, I'll be happy to be the conduit to upstream
> > to clean this up.  In particular, I'd really like to see the
> > reverse engineered AML implemented as C IO reads and writes go away.

BTW: can I add 
L:	linux-acpi@vger.kernel.org

as contact list?
-- 
mattia
:wq!

^ permalink raw reply	[flat|nested] 15+ messages in thread

* [PATCH 1/1] New sony laptop drivers maintainer
  2007-02-08 19:16 ` [PATCH 1/2] Add new sony laptop drivers maintainer malattia
  2007-02-08 19:16   ` [PATCH 2/2] Update sony-laptop docs malattia
  2007-02-09  6:44   ` [PATCH 1/2] Add new sony laptop drivers maintainer Len Brown
@ 2007-02-10 18:06   ` Mattia Dongili
  2 siblings, 0 replies; 15+ messages in thread
From: Mattia Dongili @ 2007-02-10 18:06 UTC (permalink / raw)
  To: lenb; +Cc: linux-acpi

New Sony Vaio control device driver maintainer

Signed-off-by: Mattia Dongili <malattia@linux.it>
---
 MAINTAINERS |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index efca26a..7ff8df7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3010,9 +3010,9 @@ L:	netdev@vger.kernel.org
 S:	Maintained
 
 SONY VAIO CONTROL DEVICE DRIVER
-P:	Stelian Pop
-M:	stelian@popies.net
-W:	http://popies.net/sonypi/
+P:	Mattia Dongili
+M:	malattia@linux.it
+L:	linux-acpi@vger.kernel.org
 S:	Maintained
 
 SOUND
-- 
1.4.4.3


^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer)
  2007-02-09 16:58         ` sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer) Len Brown
  2007-02-09 19:25           ` Mattia Dongili
@ 2007-02-10 21:59           ` Stelian Pop
  2007-02-11  9:20             ` Mattia Dongili
  1 sibling, 1 reply; 15+ messages in thread
From: Stelian Pop @ 2007-02-10 21:59 UTC (permalink / raw)
  To: Len Brown; +Cc: Mattia Dongili, linux-acpi

Le vendredi 09 février 2007 à 11:58 -0500, Len Brown a écrit :

> sonypi is an interesting beast, and I do mean beast.
> It pre-dates Linux ACPI support by several years
> and is chock-full of reverse engineered magic numbers.

Yep. It was Andrew Trigdell (with friends) who reverse engineered some
of those magic numbers in the first place, and even I never knew what
were they good for.

[...]

> I think one of the major decisions you need to make going forward
> is if it makes sense to maintain the parts of sonypi
> that are reverse engineered AML -- rather than simply
> running in ACPI mode and invoking the AML in the BIOS.

Personaly I think that running without ACPI today is no longer an
option, especially on laptops. So I would indeed go in this direction.

[...]

> Personally, I think that invoking machine specific AML
> has its risks, but invoking C-ized machine specific AML
> sucked into a platform specific driver borders on the insane.
> (but Linux didn't have ACPI in 2000, so maybe "determined"
> would be a more appropriate word:-)

I'll take that as a compliment then :)

> Stelian,
> I think if you can list what you know actually works on what models,
> and what may not work, and what you think about the code needs to
> be changed, that would help Mattia enormously.

Unfortunately, this is something I always wanted to do and never get
around to. I don't have such a list, I only have a rather big mail
folder containing sony related mail.

I don't remember if I already said this, but I think it would be a good
idea to start a wiki to create some sort of documentation.

> I suggest that the goal might be to have a single consolidated
> sony-laptop driver.  Ie. port the working features one by one
> from sonypi into sony-laptop, and when sony-laptop can do everything
> that sonypi can do (though maybe not with the same ioctl interface etc)
> the schedule sonypi for deletion.  But in the mean time, on the
> assumption the people actually use sonypi to make their vaio's
> dance in useful ways, I would leave it alone for their benefit.

It seems a reasonable way to pursue.

Thanks,

-- 
Stelian Pop <stelian@popies.net>

-
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^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer)
  2007-02-09 19:25           ` Mattia Dongili
  2007-02-09 21:02             ` Mattia Dongili
@ 2007-02-10 22:07             ` Stelian Pop
  1 sibling, 0 replies; 15+ messages in thread
From: Stelian Pop @ 2007-02-10 22:07 UTC (permalink / raw)
  To: Mattia Dongili; +Cc: Len Brown, linux-acpi

Le vendredi 09 février 2007 à 20:25 +0100, Mattia Dongili a écrit :

> > Presumably there is some application that talks to those ioctls.
> 
> Yep, sonypid spicctrl sjog sonykeyd just to name a few.

Don't forget also kde and hal...

[...]

> Fortunately I own a type2 and a couple of type3 laptops but none of
> which has a motion eye camera.

Leave the motion eye camera alone, the Linux support for the motion eye
camera is only for a very old specific model of the motion eye camera
(the PCI one made by Kawasaki). All the recent (last 5 years) Vaio
laptops with "Motion Eye" cameras are completly different hardware.

[...]

> At one point sonypi could just implement the ioctls and device file
> needed for backward compatibility.
> But I need to start playing seriously with sonypi's code before getting
> a clear idea if this is really doable or not.
> 
> Stelian: thoughts?
> I remember an (very?) old discussion where you've been asked to
> implement sonypi using acpi functions and the answer was something like
> "if acpi will allow that..."

Hmm, this was probably from a time when the ACPI layer had zero external
APIs. Things have changed since then and should be much easier now,
especially since you have Len's support :)

-- 
Stelian Pop <stelian@popies.net>

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^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer)
  2007-02-10 21:59           ` Stelian Pop
@ 2007-02-11  9:20             ` Mattia Dongili
  2007-02-11  9:23               ` Stelian Pop
  0 siblings, 1 reply; 15+ messages in thread
From: Mattia Dongili @ 2007-02-11  9:20 UTC (permalink / raw)
  To: Stelian Pop; +Cc: Len Brown, linux-acpi

On Sat, Feb 10, 2007 at 10:59:43PM +0100, Stelian Pop wrote:
> Le vendredi 09 février 2007 à 11:58 -0500, Len Brown a écrit :
[...]
> > Stelian,
> > I think if you can list what you know actually works on what models,
> > and what may not work, and what you think about the code needs to
> > be changed, that would help Mattia enormously.
> 
> Unfortunately, this is something I always wanted to do and never get
> around to. I don't have such a list, I only have a rather big mail
> folder containing sony related mail.
> 
> I don't remember if I already said this, but I think it would be a good
> idea to start a wiki to create some sort of documentation.

Yep, I'm (actually no me, some credit is due here) trying to setup a
wiki to list such information. I'll post the address and maybe a call
for help on some list to start growing the list.

Oh, Stelian: I'd also like to take a copy of you sonypi webpage there,
would you allow that?

-- 
mattia
:wq!
-
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^ permalink raw reply	[flat|nested] 15+ messages in thread

* Re: sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer)
  2007-02-11  9:20             ` Mattia Dongili
@ 2007-02-11  9:23               ` Stelian Pop
  0 siblings, 0 replies; 15+ messages in thread
From: Stelian Pop @ 2007-02-11  9:23 UTC (permalink / raw)
  To: Mattia Dongili; +Cc: Len Brown, linux-acpi

Le dimanche 11 février 2007 à 10:20 +0100, Mattia Dongili a écrit :
> On Sat, Feb 10, 2007 at 10:59:43PM +0100, Stelian Pop wrote:
> > Le vendredi 09 février 2007 à 11:58 -0500, Len Brown a écrit :
> [...]
> > > Stelian,
> > > I think if you can list what you know actually works on what models,
> > > and what may not work, and what you think about the code needs to
> > > be changed, that would help Mattia enormously.
> > 
> > Unfortunately, this is something I always wanted to do and never get
> > around to. I don't have such a list, I only have a rather big mail
> > folder containing sony related mail.
> > 
> > I don't remember if I already said this, but I think it would be a good
> > idea to start a wiki to create some sort of documentation.
> 
> Yep, I'm (actually no me, some credit is due here) trying to setup a
> wiki to list such information. I'll post the address and maybe a call
> for help on some list to start growing the list.
> 
> Oh, Stelian: I'd also like to take a copy of you sonypi webpage there,
> would you allow that?

No problem with that, even better, once the content is elsewhere I'll
remove it from my page and put a redirection to the wiki instead.

-- 
Stelian Pop <stelian@popies.net>

-
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^ permalink raw reply	[flat|nested] 15+ messages in thread

end of thread, other threads:[~2007-02-11  9:23 UTC | newest]

Thread overview: 15+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-02-08 19:16 [PATCH 0/2] sony-laptop: docs and maintainer update malattia
2007-02-08 19:16 ` [PATCH 1/2] Add new sony laptop drivers maintainer malattia
2007-02-08 19:16   ` [PATCH 2/2] Update sony-laptop docs malattia
2007-02-09  6:52     ` Len Brown
2007-02-09  6:44   ` [PATCH 1/2] Add new sony laptop drivers maintainer Len Brown
2007-02-09 13:34     ` Stelian Pop
2007-02-09 14:01       ` Mattia Dongili
2007-02-09 16:58         ` sony-laptop vs sonypi (Re: [PATCH 1/2] Add new sony laptop drivers maintainer) Len Brown
2007-02-09 19:25           ` Mattia Dongili
2007-02-09 21:02             ` Mattia Dongili
2007-02-10 22:07             ` Stelian Pop
2007-02-10 21:59           ` Stelian Pop
2007-02-11  9:20             ` Mattia Dongili
2007-02-11  9:23               ` Stelian Pop
2007-02-10 18:06   ` [PATCH 1/1] New sony laptop drivers maintainer Mattia Dongili

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