diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 19 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-frequency-ad9523 | 8 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 | 2 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb | 89 |
4 files changed, 20 insertions, 98 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index dda81ffae5c..39c8de0e53d 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -351,6 +351,7 @@ Description: 6kohm_to_gnd: connected to ground via a 6kOhm resistor, 20kohm_to_gnd: connected to ground via a 20kOhm resistor, 100kohm_to_gnd: connected to ground via an 100kOhm resistor, + 500kohm_to_gnd: connected to ground via a 500kOhm resistor, three_state: left floating. For a list of available output power down options read outX_powerdown_mode_available. If Y is not present the @@ -792,3 +793,21 @@ Contact: linux-iio@vger.kernel.org Description: This attribute is used to read the amount of quadrature error present in the device at a given time. + +What: /sys/.../iio:deviceX/in_accelX_power_mode +KernelVersion: 3.11 +Contact: linux-iio@vger.kernel.org +Description: + Specifies the chip power mode. + low_noise: reduce noise level from ADC, + low_power: enable low current consumption. + For a list of available output power modes read + in_accel_power_mode_available. + +What: /sys/bus/iio/devices/iio:deviceX/store_eeprom +KernelVersion: 3.4.0 +Contact: linux-iio@vger.kernel.org +Description: + Writing '1' stores the current device configuration into + on-chip EEPROM. After power-up or chip reset the device will + automatically load the saved configuration. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-frequency-ad9523 b/Documentation/ABI/testing/sysfs-bus-iio-frequency-ad9523 index 2ce9c3f68ee..a91aeabe7b2 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-frequency-ad9523 +++ b/Documentation/ABI/testing/sysfs-bus-iio-frequency-ad9523 @@ -18,14 +18,6 @@ Description: Reading returns either '1' or '0'. '1' means that the pllY is locked. -What: /sys/bus/iio/devices/iio:deviceX/store_eeprom -KernelVersion: 3.4.0 -Contact: linux-iio@vger.kernel.org -Description: - Writing '1' stores the current device configuration into - on-chip EEPROM. After power-up or chip reset the device will - automatically load the saved configuration. - What: /sys/bus/iio/devices/iio:deviceX/sync_dividers KernelVersion: 3.4.0 Contact: linux-iio@vger.kernel.org diff --git a/Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 b/Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 index d89aded01c5..1254457a726 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 +++ b/Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4350 @@ -18,4 +18,4 @@ Description: adjust the reference frequency accordingly. The value written has no effect until out_altvoltageY_frequency is updated. Consider to use out_altvoltageY_powerdown to power - down the PLL and it's RFOut buffers during REFin changes. + down the PLL and its RFOut buffers during REFin changes. diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index 9759b8c9133..1430f584b26 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -1,81 +1,3 @@ -What: /sys/bus/usb/devices/.../power/autosuspend -Date: March 2007 -KernelVersion: 2.6.21 -Contact: Alan Stern <stern@rowland.harvard.edu> -Description: - Each USB device directory will contain a file named - power/autosuspend. This file holds the time (in seconds) - the device must be idle before it will be autosuspended. - 0 means the device will be autosuspended as soon as - possible. Negative values will prevent the device from - being autosuspended at all, and writing a negative value - will resume the device if it is already suspended. - - The autosuspend delay for newly-created devices is set to - the value of the usbcore.autosuspend module parameter. - -What: /sys/bus/usb/devices/.../power/persist -Date: May 2007 -KernelVersion: 2.6.23 -Contact: Alan Stern <stern@rowland.harvard.edu> -Description: - If CONFIG_USB_PERSIST is set, then each USB device directory - will contain a file named power/persist. The file holds a - boolean value (0 or 1) indicating whether or not the - "USB-Persist" facility is enabled for the device. Since the - facility is inherently dangerous, it is disabled by default - for all devices except hubs. For more information, see - Documentation/usb/persist.txt. - -What: /sys/bus/usb/device/.../power/connected_duration -Date: January 2008 -KernelVersion: 2.6.25 -Contact: Sarah Sharp <sarah.a.sharp@intel.com> -Description: - If CONFIG_PM_RUNTIME is enabled then this file - is present. When read, it returns the total time (in msec) - that the USB device has been connected to the machine. This - file is read-only. -Users: - PowerTOP <power@bughost.org> - http://www.lesswatts.org/projects/powertop/ - -What: /sys/bus/usb/device/.../power/active_duration -Date: January 2008 -KernelVersion: 2.6.25 -Contact: Sarah Sharp <sarah.a.sharp@intel.com> -Description: - If CONFIG_PM_RUNTIME is enabled then this file - is present. When read, it returns the total time (in msec) - that the USB device has been active, i.e. not in a suspended - state. This file is read-only. - - Tools can use this file and the connected_duration file to - compute the percentage of time that a device has been active. - For example, - echo $((100 * `cat active_duration` / `cat connected_duration`)) - will give an integer percentage. Note that this does not - account for counter wrap. -Users: - PowerTOP <power@bughost.org> - http://www.lesswatts.org/projects/powertop/ - -What: /sys/bus/usb/device/<busnum>-<devnum>...:<config num>-<interface num>/supports_autosuspend -Date: January 2008 -KernelVersion: 2.6.27 -Contact: Sarah Sharp <sarah.a.sharp@intel.com> -Description: - When read, this file returns 1 if the interface driver - for this interface supports autosuspend. It also - returns 1 if no driver has claimed this interface, as an - unclaimed interface will not stop the device from being - autosuspended if all other interface drivers are idle. - The file returns 0 if autosuspend support has not been - added to the driver. -Users: - USB PM tool - git://git.moblin.org/users/sarah/usb-pm-tool/ - What: /sys/bus/usb/device/.../authorized Date: July 2008 KernelVersion: 2.6.26 @@ -172,17 +94,6 @@ Description: device IDs, exactly like reading from the entry "/sys/bus/usb/drivers/.../new_id" -What: /sys/bus/usb/device/.../avoid_reset_quirk -Date: December 2009 -Contact: Oliver Neukum <oliver@neukum.org> -Description: - Writing 1 to this file tells the kernel that this - device will morph into another mode when it is reset. - Drivers will not use reset for error handling for - such devices. -Users: - usb_modeswitch - What: /sys/bus/usb/devices/.../power/usb2_hardware_lpm Date: September 2011 Contact: Andiry Xu <andiry.xu@amd.com> |