In the .s_frame_interval() subdev op, don't accept or set a
frame interval with a zero numerator or denominator. This fixes
a v4l2-compliance failure:
fail: v4l2-test-formats.cpp(1146):
cap->timeperframe.numerator == 0 || cap->timeperframe.denominator == 0
test VIDIOC_G/S_PARM: FAIL
Signed-off-by: Steve Longerbeam <slongerb...@gmail.com>
---
drivers/staging/media/imx/imx-ic-prp.c | 9 +++++++--
drivers/staging/media/imx/imx-ic-prpencvf.c | 9 +++++++--
drivers/staging/media/imx/imx-media-csi.c | 5 ++++-
drivers/staging/media/imx/imx-media-vdic.c | 5 ++++-
4 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/media/imx/imx-ic-prp.c
b/drivers/staging/media/imx/imx-ic-prp.c
index 98923fc844ce..a2bb5c702d74 100644
--- a/drivers/staging/media/imx/imx-ic-prp.c
+++ b/drivers/staging/media/imx/imx-ic-prp.c
@@ -422,9 +422,14 @@ static int prp_s_frame_interval(struct v4l2_subdev *sd,
if (fi->pad >= PRP_NUM_PADS)
return -EINVAL;
- /* No limits on frame interval */
mutex_lock(&priv->lock);
- priv->frame_interval = fi->interval;
+
+ /* No limits on valid frame intervals */
+ if (fi->interval.numerator == 0 || fi->interval.denominator == 0)
+ fi->interval = priv->frame_interval;
+ else
+ priv->frame_interval = fi->interval;
+
mutex_unlock(&priv->lock);
return 0;
diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c
b/drivers/staging/media/imx/imx-ic-prpencvf.c
index 33ada6612fee..d35591e9933b 100644
--- a/drivers/staging/media/imx/imx-ic-prpencvf.c
+++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
@@ -1215,9 +1215,14 @@ static int prp_s_frame_interval(struct v4l2_subdev *sd,
if (fi->pad >= PRPENCVF_NUM_PADS)
return -EINVAL;
- /* No limits on frame interval */
mutex_lock(&priv->lock);
- priv->frame_interval = fi->interval;
+
+ /* No limits on valid frame intervals */
+ if (fi->interval.numerator == 0 || fi->interval.denominator == 0)
+ fi->interval = priv->frame_interval;
+ else
+ priv->frame_interval = fi->interval;
+
mutex_unlock(&priv->lock);
return 0;
diff --git a/drivers/staging/media/imx/imx-media-csi.c
b/drivers/staging/media/imx/imx-media-csi.c
index 555aa45e02e3..81f78a928048 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -905,7 +905,10 @@ static int csi_s_frame_interval(struct v4l2_subdev *sd,
switch (fi->pad) {
case CSI_SINK_PAD:
- /* No limits on input frame interval */
+ /* No limits on valid input frame intervals */
+ if (fi->interval.numerator == 0 ||
+ fi->interval.denominator == 0)
+ fi->interval = *input_fi;
/* Reset output intervals and frame skipping ratio to 1:1 */
priv->frame_interval[CSI_SRC_PAD_IDMAC] = fi->interval;
priv->frame_interval[CSI_SRC_PAD_DIRECT] = fi->interval;
diff --git a/drivers/staging/media/imx/imx-media-vdic.c
b/drivers/staging/media/imx/imx-media-vdic.c
index 4a890714193e..62e09a53d171 100644
--- a/drivers/staging/media/imx/imx-media-vdic.c
+++ b/drivers/staging/media/imx/imx-media-vdic.c
@@ -818,7 +818,10 @@ static int vdic_s_frame_interval(struct v4l2_subdev *sd,
switch (fi->pad) {
case VDIC_SINK_PAD_DIRECT:
case VDIC_SINK_PAD_IDMAC:
- /* No limits on input frame interval */
+ /* No limits on valid input frame intervals */
+ if (fi->interval.numerator == 0 ||
+ fi->interval.denominator == 0)
+ fi->interval = priv->frame_interval[fi->pad];
/* Reset output interval */
*output_fi = fi->interval;
if (priv->csi_direct)
--
2.17.1
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