File: //lib/python3.6/site-packages/tuned/plugins/__pycache__/plugin_usb.cpython-36.pyc
3
]�b� � @ sP d dl mZ d dlT ddlZddlmZ ddlZejj � Z
G dd� dej �Z dS )� )�base)�*� N)�commandsc @ sj e Zd ZdZdd� Zdd� Zedd� �Zdd � Zd
d � Z d d
� Z
e ddd�dd� �Z e
d�ddd��ZdS )� USBPlugina�
`usb`::
Sets autosuspend timeout of USB devices to the value specified by the
[option]`autosuspend` option in seconds. If the [option]`devices`
option is specified, the [option]`autosuspend` option applies to only
the USB devices specified, otherwise it applies to all USB devices.
+
The value `0` means that autosuspend is disabled.
+
.To turn off USB autosuspend for USB devices `1-1` and `1-2`
====
----
[usb]
devices=1-1,1-2
autosuspend=0
----
====
c C sN d| _ t� | _t� | _x*| jjd�jdd�D ]}| jj|j� q,W t � | _
d S )NT�usbZDEVTYPEZ
usb_device) Z_devices_supported�setZ
_free_devicesZ_assigned_devices�_hardware_inventoryZ get_devicesZmatch_property�addZsys_namer �_cmd)�self�device� r � /usr/lib/python3.6/plugin_usb.py�
_init_devices s zUSBPlugin._init_devicesc s � fdd�|D �S )Nc s g | ]}� j jd |��qS )r )r Z
get_device)�.0�x)r r r �
<listcomp>) s z1USBPlugin._get_device_objects.<locals>.<listcomp>r )r Zdevicesr )r r �_get_device_objects( s z USBPlugin._get_device_objectsc C s dd iS )N� autosuspendr )r r r r �_get_config_options+ s z USBPlugin._get_config_optionsc C s d|_ d|_d S )NTF)Z_has_static_tuningZ_has_dynamic_tuning)r �instancer r r �_instance_init1 s zUSBPlugin._instance_initc C s d S )Nr )r r r r r �_instance_cleanup5 s zUSBPlugin._instance_cleanupc C s d| S )Nz)/sys/bus/usb/devices/%s/power/autosuspendr )r r
r r r �_autosuspend_sysfile8 s z USBPlugin._autosuspend_sysfiler T)Z
per_devicec C sB | j |�}|d krd S |r dnd}|s>| j|�}| jj||� |S )N�1�0)Z _option_boolr r Z
write_to_file)r �valuer
Zsim�enable�val�sys_filer r r �_set_autosuspend; s
zUSBPlugin._set_autosuspendFc C s | j |�}| jj||d�j� S )N)Zno_error)r r Z read_file�strip)r r
Zignore_missingr r r r �_get_autosuspendG s
zUSBPlugin._get_autosuspendN)F)�__name__�
__module__� __qualname__�__doc__r r � classmethodr r r r Z command_setr! Z command_getr# r r r r r s
r )
� r Z
decoratorsZ
tuned.logsZtunedZtuned.utils.commandsr ZglobZlogs�get�logZPluginr r r r r �<module> s