Unverified Commit ee427ea4 authored by Robin Gong's avatar Robin Gong Committed by Mark Brown
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ASoC: fsl_asrc_dma: request dma channel from specific controller 



Request dma channel from specific dma controller instead of generic
dma controller list, otherwise, may get the wrong dma controller
if there are multi dma controllers such as i.MX8MP.

Signed-off-by: default avatarRobin Gong <yibin.gong@nxp.com>
Signed-off-by: default avatarShengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1614935977-21638-1-git-send-email-shengjiu.wang@nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 464b489a

sound/soc/fsl/fsl_asrc_dma.c

+4 −1
Original line number Diff line number Diff line
@@ -141,6 +141,7 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, 
	struct dma_slave_config config_fe, config_be;

	enum asrc_pair_index index = pair->index;

	struct device *dev = component->dev;

	struct device_node *of_dma_node;

	int stream = substream->stream;

	struct imx_dma_data *tmp_data;

	struct snd_soc_dpcm *dpcm;
@@ -231,8 +232,10 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component, 
		pair->dma_data.priority = tmp_data->priority;

		dma_release_channel(tmp_chan);



		of_dma_node = pair->dma_chan[!dir]->device->dev->of_node;

		pair->dma_chan[dir] =

			dma_request_channel(mask, filter, &pair->dma_data);

			__dma_request_channel(&mask, filter, &pair->dma_data,

					      of_dma_node);

		pair->req_dma_chan = true;

	} else {

		pair->dma_chan[dir] = tmp_chan;