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Linux/Documentation/ABI/testing/sysfs-bus-iio-dac-ltc2688

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Diff markup

Differences between /Documentation/ABI/testing/sysfs-bus-iio-dac-ltc2688 (Version linux-6.12-rc7) and /Documentation/ABI/testing/sysfs-bus-iio-dac-ltc2688 (Version linux-6.4.16)


  1 What:           /sys/bus/iio/devices/iio:devic      1 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_dither_en
  2 KernelVersion:  5.18                                2 KernelVersion:  5.18
  3 Contact:        linux-iio@vger.kernel.org           3 Contact:        linux-iio@vger.kernel.org
  4 Description:                                        4 Description:
  5                 Dither enable. Write 1 to enab      5                 Dither enable. Write 1 to enable dither or 0 to disable it. This is useful
  6                 for changing the dither parame      6                 for changing the dither parameters. They way it should be done is:
  7                                                     7 
  8                 - disable dither operation;         8                 - disable dither operation;
  9                 - change dither parameters (eg      9                 - change dither parameters (eg: frequency, phase...);
 10                 - enabled dither operation         10                 - enabled dither operation
 11                                                    11 
 12 What:           /sys/bus/iio/devices/iio:devic     12 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_dither_raw
 13 KernelVersion:  5.18                               13 KernelVersion:  5.18
 14 Contact:        linux-iio@vger.kernel.org          14 Contact:        linux-iio@vger.kernel.org
 15 Description:                                       15 Description:
 16                 This raw, unscaled value refer     16                 This raw, unscaled value refers to the dither signal amplitude.
 17                 The same scale as in out_volta     17                 The same scale as in out_voltageY_raw applies. However, the
 18                 offset might be different as i     18                 offset might be different as it's always 0 for this attribute.
 19                                                    19 
 20 What:           /sys/bus/iio/devices/iio:devic     20 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_dither_raw_available
 21 KernelVersion:  5.18                               21 KernelVersion:  5.18
 22 Contact:        linux-iio@vger.kernel.org          22 Contact:        linux-iio@vger.kernel.org
 23 Description:                                       23 Description:
 24                 Available range for dither raw     24                 Available range for dither raw amplitude values.
 25                                                    25 
 26 What:           /sys/bus/iio/devices/iio:devic     26 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_dither_offset
 27 KernelVersion:  5.18                               27 KernelVersion:  5.18
 28 Contact:        linux-iio@vger.kernel.org          28 Contact:        linux-iio@vger.kernel.org
 29 Description:                                       29 Description:
 30                 Offset applied to out_voltageY     30                 Offset applied to out_voltageY_dither_raw. Read only attribute
 31                 always set to 0.                   31                 always set to 0.
 32                                                    32 
 33 What:           /sys/bus/iio/devices/iio:devic     33 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_dither_frequency
 34 KernelVersion:  5.18                               34 KernelVersion:  5.18
 35 Contact:        linux-iio@vger.kernel.org          35 Contact:        linux-iio@vger.kernel.org
 36 Description:                                       36 Description:
 37                 Sets the dither signal frequen     37                 Sets the dither signal frequency. Units are in Hz.
 38                                                    38 
 39 What:           /sys/bus/iio/devices/iio:devic     39 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_dither_frequency_available
 40 KernelVersion:  5.18                               40 KernelVersion:  5.18
 41 Contact:        linux-iio@vger.kernel.org          41 Contact:        linux-iio@vger.kernel.org
 42 Description:                                       42 Description:
 43                 Returns the available values f     43                 Returns the available values for the dither frequency.
 44                                                    44 
 45 What:           /sys/bus/iio/devices/iio:devic     45 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_dither_phase
 46 KernelVersion:  5.18                               46 KernelVersion:  5.18
 47 Contact:        linux-iio@vger.kernel.org          47 Contact:        linux-iio@vger.kernel.org
 48 Description:                                       48 Description:
 49                 Sets the dither signal phase.      49                 Sets the dither signal phase. Units are in Radians.
 50                                                    50 
 51 What:           /sys/bus/iio/devices/iio:devic     51 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_dither_phase_available
 52 KernelVersion:  5.18                               52 KernelVersion:  5.18
 53 Contact:        linux-iio@vger.kernel.org          53 Contact:        linux-iio@vger.kernel.org
 54 Description:                                       54 Description:
 55                 Returns the available values f     55                 Returns the available values for the dither phase.
                                                   >>  56 
                                                   >>  57 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_toggle_en
                                                   >>  58 KernelVersion:  5.18
                                                   >>  59 Contact:        linux-iio@vger.kernel.org
                                                   >>  60 Description:
                                                   >>  61                 Toggle enable. Write 1 to enable toggle or 0 to disable it. This is
                                                   >>  62                 useful when one wants to change the DAC output codes. The way it should
                                                   >>  63                 be done is:
                                                   >>  64 
                                                   >>  65                 - disable toggle operation;
                                                   >>  66                 - change out_voltageY_raw0 and out_voltageY_raw1;
                                                   >>  67                 - enable toggle operation.
                                                   >>  68 
                                                   >>  69 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw0
                                                   >>  70 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw1
                                                   >>  71 KernelVersion:  5.18
                                                   >>  72 Contact:        linux-iio@vger.kernel.org
                                                   >>  73 Description:
                                                   >>  74                 It has the same meaning as out_voltageY_raw. This attribute is
                                                   >>  75                 specific to toggle enabled channels and refers to the DAC output
                                                   >>  76                 code in INPUT_A (_raw0) and INPUT_B (_raw1). The same scale and offset
                                                   >>  77                 as in out_voltageY_raw applies.
                                                   >>  78 
                                                   >>  79 What:           /sys/bus/iio/devices/iio:deviceX/out_voltageY_symbol
                                                   >>  80 KernelVersion:  5.18
                                                   >>  81 Contact:        linux-iio@vger.kernel.org
                                                   >>  82 Description:
                                                   >>  83                 Performs a SW toggle. This attribute is specific to toggle
                                                   >>  84                 enabled channels and allows to toggle between out_voltageY_raw0
                                                   >>  85                 and out_voltageY_raw1 through software. Writing 0 will select
                                                   >>  86                 out_voltageY_raw0 while 1 selects out_voltageY_raw1.
                                                      

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