mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-03 11:12:01 -04:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: fsl_asrc_dma: request dma channel from specific controller

Browse Source 
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: Robin Gong <yibin.gong@nxp.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1614935977-21638-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Robin Gong
2021-03-05 17:19:37 +08:00
committed by Mark Brown
parent 464b489a78
commit ee427ea4f1
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
sound/soc/fsl/fsl_asrc_dma.c
View File

@@ -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;