In order to have v4l2-compliance tool pass the G/S_EDID some modifications
where needed in the driver.
In particular, the edid.reserved zone must be blanked.
Signed-off-by: Jean-Michel Hautbois <jean-michel.hautb...@vodalys.com>
---
drivers/media/i2c/adv7604.c | 24 ++++++++++++++++--------
1 file changed, 16 insertions(+), 8 deletions(-)
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 47795ff..0848ee7 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1997,16 +1997,23 @@ static int adv7604_get_edid(struct v4l2_subdev *sd,
struct v4l2_edid *edid)
struct adv7604_state *state = to_state(sd);
u8 *data = NULL;
+ memset(edid->reserved, 0, sizeof(edid->reserved));
if (edid->pad > ADV7604_PAD_HDMI_PORT_D)
return -EINVAL;
- if (edid->blocks == 0)
- return -EINVAL;
- if (edid->blocks > 2)
- return -EINVAL;
- if (edid->start_block > 1)
+
+ if (edid->start_block == 0 && edid->blocks == 0) {
+ edid->blocks = state->edid.blocks;
+ return 0;
+ }
+
+ if (state->edid.blocks == 0)
+ return -ENODATA;
+
+ if (edid->start_block >= state->edid.blocks)
return -EINVAL;
- if (edid->start_block == 1)
- edid->blocks = 1;
+
+ if (edid->start_block + edid->blocks > state->edid.blocks)
+ edid->blocks = state->edid.blocks - edid->start_block;
if (edid->blocks > state->edid.blocks)
edid->blocks = state->edid.blocks;
@@ -2068,6 +2075,8 @@ static int adv7604_set_edid(struct v4l2_subdev *sd,
struct v4l2_edid *edid)
int err;
int i;
+ memset(edid->reserved, 0, sizeof(edid->reserved));
+
if (edid->pad > ADV7604_PAD_HDMI_PORT_D)
return -EINVAL;
if (edid->start_block != 0)
@@ -2164,7 +2173,6 @@ static int adv7604_set_edid(struct v4l2_subdev *sd,
struct v4l2_edid *edid)
return -EIO;
}
-
/* enable hotplug after 100 ms */
queue_delayed_work(state->work_queues,
&state->delayed_work_enable_hotplug, HZ / 10);
--
2.1.2
--
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