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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-08-08 10:06:30 +0200 |
|---|---|---|
| committer | Hans Verkuil <hans.verkuil@cisco.com> | 2014-08-08 10:06:30 +0200 |
| commit | 0694075030e6290264953e48f225bc525aa6fa90 (patch) | |
| tree | 04d81e5fdacddac6ae45d68a26c9afbc572dedbe /utils | |
| parent | 086994e0497ba81b79cb0c8e15020797b3cf764c (diff) | |
v4l2-compliance: add test for S_EDID and the E2BIG corner case
If you try to write a larger EDID than the driver/hardware can handle,
the driver should return E2BIG and edid.blocks should be set to the
maximum number of blocks allowed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/v4l2-compliance/v4l2-test-io-config.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/utils/v4l2-compliance/v4l2-test-io-config.cpp b/utils/v4l2-compliance/v4l2-test-io-config.cpp index c75ea550..d7a27f22 100644 --- a/utils/v4l2-compliance/v4l2-test-io-config.cpp +++ b/utils/v4l2-compliance/v4l2-test-io-config.cpp @@ -372,6 +372,12 @@ static int checkEdid(struct node *node, unsigned pad, bool is_input) fail_on_test(!is_input); fail_on_test(ret); fail_on_test(check_0(edid.reserved, sizeof(edid.reserved))); + if (blocks == 256) + return 0; + edid.blocks = 256; + ret = doioctl(node, VIDIOC_S_EDID, &edid); + fail_on_test(ret != E2BIG); + fail_on_test(edid.blocks == 0 || edid.blocks >= 256); return 0; } |