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Editing: plugin_audio.cpython-36.pyc
3 �<�e� � @ sn d dl mZ d dlT ddlZddlmZ ddlZddlZddl Z ddl Z ej j � Z e� ZG dd� dej�ZdS )� )�hotplug)�*� N)�commandsc @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zed d � �Z d d � Z dd� Z e ddd�dd� �Z ed�d dd��Ze ddd�dd� �Zed�d dd ��Zd S ) � AudioPlugina� `audio`:: Sets audio cards power saving options. The plug-in sets the auto suspend timeout for audio codecs to the value specified by the [option]`timeout` option. + Currently, the `snd_hda_intel` and `snd_ac97_codec` codecs are supported and the [option]`timeout` value is in seconds. To disable auto suspend for these codecs, set the [option]`timeout` value to `0`. To enforce the controller reset, set the option [option]`reset_controller` to `true`. Note that power management is supported per module. Hence, the kernel module names are used as device names. + .Set the timeout value to 10s and enforce the controller reset ==== ---- [audio] timeout=10 reset_controller=true ---- ==== c C sT d| _ t� | _t� | _x8| jjd�jd�D ]"}| j|�}|dkr*| jj|� q*W d S )NTZsoundzcard*� snd_hda_intel�snd_ac97_codec)r r ) Z_devices_supported�setZ_assigned_devicesZ _free_devicesZ_hardware_inventoryZ get_devicesZmatch_sys_name�_device_module_name�add)�self�deviceZ module_name� r �"/usr/lib/python3.6/plugin_audio.py� _init_devices( s zAudioPlugin._init_devicesc C s d|_ d|_d S )NTF)Z_has_static_tuningZ_has_dynamic_tuning)r �instancer r r �_instance_init2 s zAudioPlugin._instance_initc C s d S )Nr )r r r r r �_instance_cleanup6 s z AudioPlugin._instance_cleanupc C s y|j jS d S d S )N)�parentZdriver)r r r r r r 9 s z AudioPlugin._device_module_namec C s ddd�S )Nr F)�timeout�reset_controllerr )�clsr r r �_get_config_options? s z AudioPlugin._get_config_optionsc C s d| S )Nz$/sys/module/%s/parameters/power_saver )r r r r r � _timeout_pathF s zAudioPlugin._timeout_pathc C s d| S )Nz//sys/module/%s/parameters/power_save_controllerr )r r r r r �_reset_controller_pathI s z"AudioPlugin._reset_controller_pathr T)Z per_devicec C sr y t |�}W n" tk r. tjd| � d S X |dkrj| j|�}|sftj|d| |r^tjgndd� |S d S d S )Nz!timeout value '%s' is not integerr z%dF)�no_error) �int� ValueError�log�errorr �cmd� write_to_file�errno�ENOENT)r �valuer �sim�remover �sys_filer r r � _set_timeoutL s zAudioPlugin._set_timeoutFc C s, | j |�}tj||d�}t|�dkr(|S d S )N)r r )r r � read_file�len)r r �ignore_missingr' r$ r r r � _get_timeout\ s zAudioPlugin._get_timeoutr c C sH t j|�}| j|�}tjj|�rD|s@t j|||r8tjgndd� |S d S )NF)r ) r �get_boolr �os�path�existsr! r" r# )r r$ r r% r& �vr' r r r �_set_reset_controllerd s z!AudioPlugin._set_reset_controllerc C s: | j |�}tjj|�r6tj|�}t|�dkr6tj|�S d S )Nr )r r. r/ r0 r r) r* r- )r r r+ r' r$ r r r �_get_reset_controllero s z!AudioPlugin._get_reset_controllerN)F)F)�__name__� __module__� __qualname__�__doc__r r r r � classmethodr r r Z command_setr( Z command_getr, r2 r3 r r r r r s r )� r Z decoratorsZ tuned.logsZtunedZtuned.utils.commandsr r. r" �structZglobZlogs�getr r ZPluginr r r r r �<module> s
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