github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 18:13:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

media: adv7511-v4l2: add support for the EEODB

Browse Source 
Support the HDMI Forum EDID Extension Override Data Block
by using the new v4l2_num_edid_blocks helper function.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Hans Verkuil 2025-01-27 12:03:13 +01:00 committed by Mauro Carvalho Chehab
parent e31668e7b6
commit 023081281c
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/media/i2c/adv7511-v4l2.c
View File

@ -1664,7 +1664,9 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
if (!err) {
adv7511_dbg_dump_edid(2, debug, sd, segment, &state->edid.data[segment * 256]);
if (segment == 0) {
state->edid.blocks = state->edid.data[0x7e] + 1;
state->edid.blocks =
v4l2_num_edid_blocks(state->edid.data,
EDID_MAX_SEGM * 2);
v4l2_dbg(1, debug, sd, "%s: %d blocks in total\n",
__func__, state->edid.blocks);
}
@ -1682,7 +1684,7 @@ static bool adv7511_check_edid_status(struct v4l2_subdev *sd)
/* one more segment read ok */
state->edid.segments = segment + 1;
v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x1);
if (((state->edid.data[0x7e] >> 1) + 1) > state->edid.segments) {
if (state->edid.blocks > state->edid.segments * 2) {
/* Request next EDID segment */
v4l2_dbg(1, debug, sd, "%s: request segment %d\n", __func__, state->edid.segments);
adv7511_wr(sd, 0xc9, 0xf);