Lines Matching refs:PWM
47 and PWM output control functions. Using this parameter
66 up to 5 PWM outputs pwm[1-3,5-6] for controlling fan speeds both manually and
170 PWM Output Control
173 This chip features 5 PWM outputs. PWM outputs 1-3 are associated with fan
174 inputs 1-3 and PWM outputs 5-6 are associated with fan inputs 5-6. PWM outputs
176 the appropriate enable attribute accordingly. PWM outputs 5-6 can only operate
179 appropriate PWM attribute. In automatic mode, the PWM attribute returns the
180 current duty-cycle as set by the fan controller in the chip. All PWM outputs
183 In automatic mode, the chip supports the setting of the PWM ramp rate which
184 defines how fast the PWM output is adjusting to changes of the associated
185 temperature input. Associating PWM outputs to temperature inputs is done via
188 be retrieved via the zone[1-3]_auto_channels_temp attributes. Each PWM output
190 pwm[1-3]_auto_channels_zone attributes. Each PWM output has 3 distinct output
215 all PWM outputs are set to 100% duty-cycle.
279 zone[1-3]_auto_point1_temp_hyst RW Auto PWM temp point1 hysteresis. The
280 output of the corresponding PWM is set
284 zone[1-3]_auto_point[1-3]_temp RW Auto PWM temp points. Auto_point1 is
287 temp at which all PWM outputs are set
303 pmw[1-3,5-6] RO/RW Duty-cycle of PWM output. Supported
305 writeable if the associated PWM is in
307 pwm[1-3]_enable RW Enable of PWM outputs 1-3. Supported
313 pwm[5-6]_enable RO Enable of PWM outputs 5-6. Always
316 pmw[1-3,5-6]_freq RW Frequency of PWM output. Supported
319 pmw[1-3]_ramp_rate RW Ramp rate of PWM output. Determines how
320 fast the PWM duty-cycle will change
321 when the PWM is in automatic mode.
322 Expressed in ms per PWM step. Supported
326 pwm[1-3]_auto_channels_zone RW PWM output to temperature zone mapping.
335 pwm[1-3]_auto_pwm_min RW Auto PWM min pwm. Minimum PWM duty-
338 pwm[1-3]_auto_point1_pwm RW Auto PWM pwm point. Auto_point1 is the
340 pwm[1-3]_auto_point2_pwm RO Auto PWM pwm point. Auto_point2 is the