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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-29 10:47:25 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-04-29 10:47:25 -0700 |
commit | 6b06d2cc6d52830e3e0c001006b26255f47184dd (patch) | |
tree | 2df1fbc87b1d83b97b230c207dbe795e2c5c6423 /Documentation/sony-laptop.txt | |
parent | b9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff) | |
parent | aac60c11132d7ab0776cf036ac9fd6113a210859 (diff) | |
download | blackbird-op-linux-6b06d2cc6d52830e3e0c001006b26255f47184dd.tar.gz blackbird-op-linux-6b06d2cc6d52830e3e0c001006b26255f47184dd.zip |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (105 commits)
sonypi: use mutex instead of semaphore
sony-laptop: remove user visible camera controls as platform attributes
meye: make meye use sony-laptop instead of sonypi
sony-laptop: add a meye-usable include file for camera ops
sony-laptop: complete the motion eye camera support in sony-laptop
sonypi: try to detect if sony-laptop has already taken one of the known ioports
sonypi: suggest sonypi users to try sony-laptop instead
sony-laptop: add edge modem support (also called WWAN)
sony-laptop: add locking on accesses to the ioport and global vars
sony-laptop: add camera enable/disable parameter, better handle possible infinite loop
thinkpad-acpi: make drivers/misc/thinkpad_acpi:fan_mutex static
ACPI: thinkpad-acpi: add sysfs support to wan and bluetooth subdrivers
ACPI: thinkpad-acpi: add sysfs support to hotkey subdriver
ACPI: thinkpad-acpi: improve dock subdriver initialization
ACPI: thinkpad-acpi: improve debugging for acpi helpers
ACPI: thinkpad-acpi: improve fan control documentation
ACPI: thinkpad-acpi: map ENXIO to EINVAL for fan sysfs
ACPI: thinkpad-acpi: fix a fan watchdog invocation
ACPI: thinkpad-acpi: do not arm fan watchdog if it would not work
ACPI: thinkpad-acpi: add a fan-control feature master toggle
...
Diffstat (limited to 'Documentation/sony-laptop.txt')
-rw-r--r-- | Documentation/sony-laptop.txt | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/Documentation/sony-laptop.txt b/Documentation/sony-laptop.txt index dfd26df056f4..7a5c1a81905c 100644 --- a/Documentation/sony-laptop.txt +++ b/Documentation/sony-laptop.txt @@ -3,12 +3,18 @@ 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. +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. Backlight control: ------------------ @@ -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 (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 +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 -HANDLE_NAMES macro). +SNC_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 @@ -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 +useful info. + Bugs/Limitations: ----------------- |