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- What: /sys/class/devfreq/.../
- Date: September 2011
- Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
- Description:
- Provide a place in sysfs for the devfreq objects.
- This allows accessing various devfreq specific variables.
- The name of devfreq object denoted as ... is same as the
- name of device using devfreq.
- What: /sys/class/devfreq/.../governor
- Date: September 2011
- Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
- Description:
- The /sys/class/devfreq/.../governor show or set the name of the
- governor used by the corresponding devfreq object.
- What: /sys/class/devfreq/.../cur_freq
- Date: September 2011
- Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
- Description:
- The /sys/class/devfreq/.../cur_freq shows the current
- frequency of the corresponding devfreq object. Same as
- target_freq when get_cur_freq() is not implemented by
- devfreq driver.
- What: /sys/class/devfreq/.../target_freq
- Date: September 2012
- Contact: Rajagopal Venkat <rajagopal.venkat@linaro.org>
- Description:
- The /sys/class/devfreq/.../target_freq shows the next governor
- predicted target frequency of the corresponding devfreq object.
- What: /sys/class/devfreq/.../polling_interval
- Date: September 2011
- Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
- Description:
- The /sys/class/devfreq/.../polling_interval shows and sets
- the requested polling interval of the corresponding devfreq
- object. The values are represented in ms. If the value is
- less than 1 jiffy, it is considered to be 0, which means
- no polling. This value is meaningless if the governor is
- not polling; thus. If the governor is not using
- devfreq-provided central polling
- (/sys/class/devfreq/.../central_polling is 0), this value
- may be useless.
- What: /sys/class/devfreq/.../trans_stat
- Date: October 2012
- Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
- Descrtiption:
- This ABI shows the statistics of devfreq behavior on a
- specific device. It shows the time spent in each state and
- the number of transitions between states.
- In order to activate this ABI, the devfreq target device
- driver should provide the list of available frequencies
- with its profile.
- What: /sys/class/devfreq/.../userspace/set_freq
- Date: September 2011
- Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
- Description:
- The /sys/class/devfreq/.../userspace/set_freq shows and
- sets the requested frequency for the devfreq object if
- userspace governor is in effect.
- What: /sys/class/devfreq/.../available_frequencies
- Date: October 2012
- Contact: Nishanth Menon <nm@ti.com>
- Description:
- The /sys/class/devfreq/.../available_frequencies shows
- the available frequencies of the corresponding devfreq object.
- This is a snapshot of available frequencies and not limited
- by the min/max frequency restrictions.
- What: /sys/class/devfreq/.../available_governors
- Date: October 2012
- Contact: Nishanth Menon <nm@ti.com>
- Description:
- The /sys/class/devfreq/.../available_governors shows
- currently available governors in the system.
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