Author: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
AuthorDate: Mon Apr 9 19:31:16 2007 +0200
Committer: Len Brown <[EMAIL PROTECTED]>
CommitDate: Tue Apr 10 16:01:19 2007 -0400
sony-laptop: update documentation and Kconfig help
Signed-off-by: Mattia Dongili <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
Documentation/sony-laptop.txt | 25 ++++++++++++++++++-------
drivers/misc/Kconfig | 9 ++++-----
2 files changed, 22 insertions(+), 12 deletions(-)
diff --git a/Documentation/sony-laptop.txt b/Documentation/sony-laptop.txt
index dfd26df..7a5c1a8 100644
@@ -3,12 +3,18 @@ Sony Notebook Control Driver (SNC) Readme
Copyright (C) 2004- 2005 Stelian Pop <[EMAIL PROTECTED]>
Copyright (C) 2007 Mattia Dongili <[EMAIL PROTECTED]>
-This mini-driver drives the SNC device present in the ACPI BIOS of
-the Sony Vaio laptops.
+This mini-driver drives the SNC and SPIC device present in the ACPI BIOS of the
+Sony Vaio laptops. This driver mixes both devices functions under the same
+(hopefully consistent) interface. This also means that the sonypi driver is
+obsoleted by sony-laptop now.
-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.
+Fn keys (hotkeys):
+Some models report hotkeys through the SNC or SPIC devices, such events are
+reported both through the ACPI subsystem as acpi events and through the INPUT
+subsystem. See the logs of acpid or /proc/acpi/event and
+/proc/bus/input/devices to find out what those events are and which input
+devices are created by the driver.
@@ -39,6 +45,8 @@ The files are:
audiopower power on/off the internal sound card
lanpower power on/off the internal ethernet card
(only in debug mode)
+ bluetoothpower power on/off the internal bluetooth device
+ fanspeed get/set the fan speed
Note that some files may be missing if they are not supported
by your particular laptop model.
@@ -76,9 +84,9 @@ The sony-laptop driver creates, for some of those methods
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
+further editing the source (see the 'sony_nc_values' table, and add a new
entry to this table with your get/set method names using the
Your mission, should you accept it, is to try finding out what
those entries are for, by reading/writing random values from/to those
@@ -87,6 +95,9 @@ 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 :)
+See also http://www.linux.it/~malattia/wiki/index.php/Sony_drivers for other
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 80b199f..4fb951b 100644
@@ -112,12 +112,11 @@ config SONY_LAPTOP
depends on X86 && ACPI
- This mini-driver drives the SNC device present in the ACPI BIOS of
- the Sony Vaio laptops.
+ This mini-driver drives the SNC and SPIC devices 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
+ It gives access to some extra laptop functionalities like Bluetooth,
+ screen brightness control, Fn keys and allows powering on/off some
Read <file:Documentation/sony-laptop.txt> for more information.
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