[alsa-devel] [PATCH v2 04/15] dmaengine: Pass no_wakeup parameter via device_prep_dma_cyclic() callback

Vinod Koul vinod.koul at linux.intel.com
Fri Sep 14 05:24:00 CEST 2012

On Thu, 2012-09-13 at 16:37 +0300, Peter Ujfalusi wrote:
> Change the parameter list of device_prep_dma_cyclic() so the DMA drivers
> can receive the no_wakeup request coming from client drivers.
> This feature can be used during audio operation to disable all audio
> related interrupts.
We already have a flag to indicate this, see 
* @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion  of
*  this transaction

Unfortunately, the addition of cyclic API missed having this flag. So
right way would be to add flag argument in the API.


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