| Message ID | 1537793699-2555-1-git-send-email-hugues.fruchet@st.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: stm32-dcmi: only enable IT frame on JPEG capture | expand |
diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c index ba3e2ee..d6b00eda 100644 --- a/drivers/media/platform/stm32/stm32-dcmi.c +++ b/drivers/media/platform/stm32/stm32-dcmi.c @@ -659,7 +659,10 @@ static int dcmi_start_streaming(struct vb2_queue *vq, unsigned int count) } /* Enable interruptions */ - reg_set(dcmi->regs, DCMI_IER, IT_FRAME | IT_OVR | IT_ERR); + if (dcmi->sd_format->fourcc == V4L2_PIX_FMT_JPEG) + reg_set(dcmi->regs, DCMI_IER, IT_FRAME | IT_OVR | IT_ERR); + else + reg_set(dcmi->regs, DCMI_IER, IT_OVR | IT_ERR); return 0;
Only enable IT frame on JPEG capture, this saves some CPU interruptions and processing on all the other cases. Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> --- drivers/media/platform/stm32/stm32-dcmi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)