diff options
| -rw-r--r-- | Documentation/sony-laptop.txt | 25 | ||||
| -rw-r--r-- | drivers/misc/Kconfig | 9 |
2 files changed, 22 insertions, 12 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 | |||
| 3 | Copyright (C) 2004- 2005 Stelian Pop <stelian@popies.net> | 3 | Copyright (C) 2004- 2005 Stelian Pop <stelian@popies.net> |
| 4 | Copyright (C) 2007 Mattia Dongili <malattia@linux.it> | 4 | Copyright (C) 2007 Mattia Dongili <malattia@linux.it> |
| 5 | 5 | ||
| 6 | This mini-driver drives the SNC device present in the ACPI BIOS of | 6 | This mini-driver drives the SNC and SPIC device present in the ACPI BIOS of the |
| 7 | the Sony Vaio laptops. | 7 | Sony Vaio laptops. This driver mixes both devices functions under the same |
| 8 | (hopefully consistent) interface. This also means that the sonypi driver is | ||
| 9 | obsoleted by sony-laptop now. | ||
| 8 | 10 | ||
| 9 | It gives access to some extra laptop functionalities. In its current | 11 | Fn keys (hotkeys): |
| 10 | form, this driver let the user set or query the screen brightness | 12 | ------------------ |
| 11 | through the backlight subsystem and remove/apply power to some devices. | 13 | Some models report hotkeys through the SNC or SPIC devices, such events are |
| 14 | reported both through the ACPI subsystem as acpi events and through the INPUT | ||
| 15 | subsystem. See the logs of acpid or /proc/acpi/event and | ||
| 16 | /proc/bus/input/devices to find out what those events are and which input | ||
| 17 | devices are created by the driver. | ||
| 12 | 18 | ||
| 13 | Backlight control: | 19 | Backlight control: |
| 14 | ------------------ | 20 | ------------------ |
| @@ -39,6 +45,8 @@ The files are: | |||
| 39 | audiopower power on/off the internal sound card | 45 | audiopower power on/off the internal sound card |
| 40 | lanpower power on/off the internal ethernet card | 46 | lanpower power on/off the internal ethernet card |
| 41 | (only in debug mode) | 47 | (only in debug mode) |
| 48 | bluetoothpower power on/off the internal bluetooth device | ||
| 49 | fanspeed get/set the fan speed | ||
| 42 | 50 | ||
| 43 | Note that some files may be missing if they are not supported | 51 | Note that some files may be missing if they are not supported |
| 44 | by your particular laptop model. | 52 | by your particular laptop model. |
| @@ -76,9 +84,9 @@ The sony-laptop driver creates, for some of those methods (the most | |||
| 76 | current ones found on several Vaio models), an entry under | 84 | current ones found on several Vaio models), an entry under |
| 77 | /sys/devices/platform/sony-laptop, just like the 'cdpower' one. | 85 | /sys/devices/platform/sony-laptop, just like the 'cdpower' one. |
| 78 | You can create other entries corresponding to your own laptop methods by | 86 | You can create other entries corresponding to your own laptop methods by |
| 79 | further editing the source (see the 'sony_acpi_values' table, and add a new | 87 | further editing the source (see the 'sony_nc_values' table, and add a new |
| 80 | entry to this table with your get/set method names using the | 88 | entry to this table with your get/set method names using the |
| 81 | HANDLE_NAMES macro). | 89 | SNC_HANDLE_NAMES macro). |
| 82 | 90 | ||
| 83 | Your mission, should you accept it, is to try finding out what | 91 | Your mission, should you accept it, is to try finding out what |
| 84 | those entries are for, by reading/writing random values from/to those | 92 | 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. | |||
| 87 | Should you find anything interesting, please report it back to me, | 95 | Should you find anything interesting, please report it back to me, |
| 88 | I will not disavow all knowledge of your actions :) | 96 | I will not disavow all knowledge of your actions :) |
| 89 | 97 | ||
| 98 | See also http://www.linux.it/~malattia/wiki/index.php/Sony_drivers for other | ||
| 99 | useful info. | ||
| 100 | |||
| 90 | Bugs/Limitations: | 101 | Bugs/Limitations: |
| 91 | ----------------- | 102 | ----------------- |
| 92 | 103 | ||
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 80b199fa0aa9..4fb951b693ad 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig | |||
| @@ -112,12 +112,11 @@ config SONY_LAPTOP | |||
| 112 | depends on X86 && ACPI | 112 | depends on X86 && ACPI |
| 113 | select BACKLIGHT_CLASS_DEVICE | 113 | select BACKLIGHT_CLASS_DEVICE |
| 114 | ---help--- | 114 | ---help--- |
| 115 | This mini-driver drives the SNC device present in the ACPI BIOS of | 115 | This mini-driver drives the SNC and SPIC devices present in the ACPI |
| 116 | the Sony Vaio laptops. | 116 | BIOS of the Sony Vaio laptops. |
| 117 | 117 | ||
| 118 | It gives access to some extra laptop functionalities. In its current | 118 | It gives access to some extra laptop functionalities like Bluetooth, |
| 119 | form, this driver let the user set or query the screen brightness | 119 | screen brightness control, Fn keys and allows powering on/off some |
| 120 | through the backlight subsystem and remove/apply power to some | ||
| 121 | devices. | 120 | devices. |
| 122 | 121 | ||
| 123 | Read <file:Documentation/sony-laptop.txt> for more information. | 122 | Read <file:Documentation/sony-laptop.txt> for more information. |
