Re: [PATCH] iio: adc: stm32: fix scan of multiple channels with DMA

On Fri, 5 Jan 2018 15:34:54 +0100 Fabrice Gasnier wrote: > By default, watermark is set to '1'. Watermark is used to fine tune > cyclic dma buffer period. In case watermark is left untouched (e.g. 1) > and several channels are being scanned, buffer period is wrongly set > (e.g. to 1 sample). As a

[PATCH] iio: adc: stm32: fix scan of multiple channels with DMA

By default, watermark is set to '1'. Watermark is used to fine tune cyclic dma buffer period. In case watermark is left untouched (e.g. 1) and several channels are being scanned, buffer period is wrongly set (e.g. to 1 sample). As a consequence, data is never pushed to upper layer. Fix buffer perio