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media: stm32-dcmi: return buffer in error state on dma error

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Return buffer to V4L2 in error state if DMA error occurs.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hugues Fruchet 2018-06-11 05:50:25 -04:00 • committed by Mauro Carvalho Chehab
parent b53a24fc28
commit a331df3cb3
1 changed files with 3 additions and 0 deletions
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3
drivers/media/platform/stm32/stm32-dcmi.c
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@ -261,6 +261,9 @@ static void dcmi_dma_callback(void *param)
break;
case DMA_ERROR:
dev_err(dcmi->dev, "%s: Received DMA_ERROR\n", __func__);
/* Return buffer to V4L2 in error state */
dcmi_buffer_done(dcmi, buf, 0, -EIO);
break;
case DMA_COMPLETE:
dev_dbg(dcmi->dev, "%s: Received DMA_COMPLETE\n", __func__);