From: Hans Verkuil <hans.verk...@cisco.com>
This fixes the v4l2-compliance failures.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/i2c/adv7511.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c
index f98acf4..8acc8c5 100644
--- a/drivers/media/i2c/adv7511.c
+++ b/drivers/media/i2c/adv7511.c
@@ -779,21 +779,28 @@ static int adv7511_get_edid(struct v4l2_subdev *sd,
struct v4l2_edid *edid)
{
struct adv7511_state *state = get_adv7511_state(sd);
+ memset(edid->reserved, 0, sizeof(edid->reserved));
+
if (edid->pad != 0)
return -EINVAL;
- if ((edid->blocks == 0) || (edid->blocks > 256))
- return -EINVAL;
- if (!state->edid.segments) {
- v4l2_dbg(1, debug, sd, "EDID segment 0 not found\n");
- return -ENODATA;
+
+ if (edid->start_block == 0 && edid->blocks == 0) {
+ edid->blocks = state->edid.segments * 2;
+ return 0;
}
+
+ if (state->edid.segments == 0)
+ return -ENODATA;
+
if (edid->start_block >= state->edid.segments * 2)
- return -E2BIG;
- if ((edid->blocks + edid->start_block) >= state->edid.segments * 2)
+ return -EINVAL;
+
+ if (edid->start_block + edid->blocks > state->edid.segments * 2)
edid->blocks = state->edid.segments * 2 - edid->start_block;
memcpy(edid->edid, &state->edid.data[edid->start_block * 128],
128 * edid->blocks);
+
return 0;
}
--
2.1.1
--
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