Re: [PATCH 4/4] iio: dac: stm32: add support for waveform generator

2017-04-08 Thread Jonathan Cameron
On 05/04/17 17:46, Fabrice Gasnier wrote: > JonathanOn 04/02/2017 02:19 PM, Jonathan Cameron wrote: >> On 31/03/17 12:45, Fabrice Gasnier wrote: >>> STM32 DAC has built-in noise or triangle waveform generator. >>> Waveform generator requires trigger to be configured. >>> - "wave" extended attribute

Re: [PATCH 4/4] iio: dac: stm32: add support for waveform generator

2017-04-05 Thread Fabrice Gasnier
JonathanOn 04/02/2017 02:19 PM, Jonathan Cameron wrote: > On 31/03/17 12:45, Fabrice Gasnier wrote: >> STM32 DAC has built-in noise or triangle waveform generator. >> Waveform generator requires trigger to be configured. >> - "wave" extended attribute selects noise or triangle. >> - "mamp" extended

Re: [PATCH 4/4] iio: dac: stm32: add support for waveform generator

2017-04-02 Thread Jonathan Cameron
On 31/03/17 12:45, Fabrice Gasnier wrote: > STM32 DAC has built-in noise or triangle waveform generator. > Waveform generator requires trigger to be configured. > - "wave" extended attribute selects noise or triangle. > - "mamp" extended attribute selects either LFSR (linear feedback > shift regi

[PATCH 4/4] iio: dac: stm32: add support for waveform generator

2017-03-31 Thread Fabrice Gasnier
STM32 DAC has built-in noise or triangle waveform generator. Waveform generator requires trigger to be configured. - "wave" extended attribute selects noise or triangle. - "mamp" extended attribute selects either LFSR (linear feedback shift register) mask for noise waveform, OR triangle amplitude