diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-block-rssd | 21 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 31 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-mtd | 17 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-power | 13 |
4 files changed, 53 insertions, 29 deletions
diff --git a/Documentation/ABI/testing/sysfs-block-rssd b/Documentation/ABI/testing/sysfs-block-rssd index 679ce3543122..beef30c046b0 100644 --- a/Documentation/ABI/testing/sysfs-block-rssd +++ b/Documentation/ABI/testing/sysfs-block-rssd @@ -1,26 +1,5 @@ -What: /sys/block/rssd*/registers -Date: March 2012 -KernelVersion: 3.3 -Contact: Asai Thambi S P <asamymuthupa@micron.com> -Description: This is a read-only file. Dumps below driver information and - hardware registers. - - S ACTive - - Command Issue - - Completed - - PORT IRQ STAT - - HOST IRQ STAT - - Allocated - - Commands in Q - What: /sys/block/rssd*/status Date: April 2012 KernelVersion: 3.4 Contact: Asai Thambi S P <asamymuthupa@micron.com> Description: This is a read-only file. Indicates the status of the device. - -What: /sys/block/rssd*/flags -Date: May 2012 -KernelVersion: 3.5 -Contact: Asai Thambi S P <asamymuthupa@micron.com> -Description: This is a read-only file. Dumps the flags in port and driver - data structure diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 5bc8a476c15e..cfedf63cce15 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -219,6 +219,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale @@ -273,6 +274,7 @@ What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available What: /sys/.../iio:deviceX/in_voltageX_scale_available What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available What: /sys/.../iio:deviceX/out_voltageX_scale_available +What: /sys/.../iio:deviceX/out_altvoltageX_scale_available What: /sys/.../iio:deviceX/in_capacitance_scale_available KernelVersion: 2.635 Contact: linux-iio@vger.kernel.org @@ -298,14 +300,19 @@ Description: gives the 3dB frequency of the filter in Hz. What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: Raw (unscaled, no bias etc.) output voltage for channel Y. The number must always be specified and unique if the output corresponds to a single channel. + While DAC like devices typically use out_voltage, + a continuous frequency generating device, such as + a DDS or PLL should use out_altvoltage. What: /sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY&Z_raw KernelVersion: 2.6.37 Contact: linux-iio@vger.kernel.org Description: @@ -316,6 +323,8 @@ Description: What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown_mode +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown_mode KernelVersion: 2.6.38 Contact: linux-iio@vger.kernel.org Description: @@ -330,6 +339,8 @@ Description: What: /sys/.../iio:deviceX/out_votlageY_powerdown_mode_available What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available +What: /sys/.../iio:deviceX/out_altvotlageY_powerdown_mode_available +What: /sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available KernelVersion: 2.6.38 Contact: linux-iio@vger.kernel.org Description: @@ -338,6 +349,8 @@ Description: What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown KernelVersion: 2.6.38 Contact: linux-iio@vger.kernel.org Description: @@ -346,6 +359,24 @@ Description: normal operation. Y may be suppressed if all outputs are controlled together. +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency +KernelVersion: 3.4.0 +Contact: linux-iio@vger.kernel.org +Description: + Output frequency for channel Y in Hz. The number must always be + specified and unique if the output corresponds to a single + channel. + +What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase +KernelVersion: 3.4.0 +Contact: linux-iio@vger.kernel.org +Description: + Phase in radians of one frequency/clock output Y + (out_altvoltageY) relative to another frequency/clock output + (out_altvoltageZ) of the device X. The number must always be + specified and unique if the output corresponds to a single + channel. + What: /sys/bus/iio/devices/iio:deviceX/events KernelVersion: 2.6.35 Contact: linux-iio@vger.kernel.org diff --git a/Documentation/ABI/testing/sysfs-class-mtd b/Documentation/ABI/testing/sysfs-class-mtd index db1ad7e34fc3..938ef71e2035 100644 --- a/Documentation/ABI/testing/sysfs-class-mtd +++ b/Documentation/ABI/testing/sysfs-class-mtd @@ -142,13 +142,14 @@ KernelVersion: 3.4 Contact: linux-mtd@lists.infradead.org Description: This allows the user to examine and adjust the criteria by which - mtd returns -EUCLEAN from mtd_read(). If the maximum number of - bit errors that were corrected on any single region comprising - an ecc step (as reported by the driver) equals or exceeds this - value, -EUCLEAN is returned. Otherwise, absent an error, 0 is - returned. Higher layers (e.g., UBI) use this return code as an - indication that an erase block may be degrading and should be - scrutinized as a candidate for being marked as bad. + mtd returns -EUCLEAN from mtd_read() and mtd_read_oob(). If the + maximum number of bit errors that were corrected on any single + region comprising an ecc step (as reported by the driver) equals + or exceeds this value, -EUCLEAN is returned. Otherwise, absent + an error, 0 is returned. Higher layers (e.g., UBI) use this + return code as an indication that an erase block may be + degrading and should be scrutinized as a candidate for being + marked as bad. The initial value may be specified by the flash device driver. If not, then the default value is ecc_strength. @@ -167,7 +168,7 @@ Description: block degradation, but high enough to avoid the consequences of a persistent return value of -EUCLEAN on devices where sticky bitflips occur. Note that if bitflip_threshold exceeds - ecc_strength, -EUCLEAN is never returned by mtd_read(). + ecc_strength, -EUCLEAN is never returned by the read operations. Conversely, if bitflip_threshold is zero, -EUCLEAN is always returned, absent a hard error. diff --git a/Documentation/ABI/testing/sysfs-power b/Documentation/ABI/testing/sysfs-power index 31725ffeeb3a..217772615d02 100644 --- a/Documentation/ABI/testing/sysfs-power +++ b/Documentation/ABI/testing/sysfs-power @@ -231,3 +231,16 @@ Description: Reads from this file return a string consisting of the names of wakeup sources created with the help of /sys/power/wake_lock that are inactive at the moment, separated with spaces. + +What: /sys/power/pm_print_times +Date: May 2012 +Contact: Sameer Nanda <snanda@chromium.org> +Description: + The /sys/power/pm_print_times file allows user space to + control whether the time taken by devices to suspend and + resume is printed. These prints are useful for hunting down + devices that take too long to suspend or resume. + + Writing a "1" enables this printing while writing a "0" + disables it. The default value is "0". Reading from this file + will display the current value. |