diff options
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/imx/imx-pcm-dma-mx2.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c index c78c000e2afe..93272966b848 100644 --- a/sound/soc/imx/imx-pcm-dma-mx2.c +++ b/sound/soc/imx/imx-pcm-dma-mx2.c | |||
@@ -70,7 +70,12 @@ static void imx_ssi_dma_callback(int channel, void *data) | |||
70 | 70 | ||
71 | static void snd_imx_dma_err_callback(int channel, void *data, int err) | 71 | static void snd_imx_dma_err_callback(int channel, void *data, int err) |
72 | { | 72 | { |
73 | pr_err("DMA error callback called\n"); | 73 | struct snd_pcm_substream *substream = data; |
74 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | ||
75 | struct imx_pcm_dma_params *dma_params = rtd->dai->cpu_dai->dma_data; | ||
76 | struct snd_pcm_runtime *runtime = substream->runtime; | ||
77 | struct imx_pcm_runtime_data *iprtd = runtime->private_data; | ||
78 | int ret; | ||
74 | 79 | ||
75 | pr_err("DMA timeout on channel %d -%s%s%s%s\n", | 80 | pr_err("DMA timeout on channel %d -%s%s%s%s\n", |
76 | channel, | 81 | channel, |
@@ -78,6 +83,14 @@ static void snd_imx_dma_err_callback(int channel, void *data, int err) | |||
78 | err & IMX_DMA_ERR_REQUEST ? " request" : "", | 83 | err & IMX_DMA_ERR_REQUEST ? " request" : "", |
79 | err & IMX_DMA_ERR_TRANSFER ? " transfer" : "", | 84 | err & IMX_DMA_ERR_TRANSFER ? " transfer" : "", |
80 | err & IMX_DMA_ERR_BUFFER ? " buffer" : ""); | 85 | err & IMX_DMA_ERR_BUFFER ? " buffer" : ""); |
86 | |||
87 | imx_dma_disable(iprtd->dma); | ||
88 | ret = imx_dma_setup_sg(iprtd->dma, iprtd->sg_list, iprtd->sg_count, | ||
89 | IMX_DMA_LENGTH_LOOP, dma_params->dma_addr, | ||
90 | substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? | ||
91 | DMA_MODE_WRITE : DMA_MODE_READ); | ||
92 | if (!ret) | ||
93 | imx_dma_enable(iprtd->dma); | ||
81 | } | 94 | } |
82 | 95 | ||
83 | static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream) | 96 | static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream) |