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authorJohan Korsnes <johan.korsnes@gmail.com>2019-06-18 03:37:25 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-06-21 17:34:44 -0400
commit4938958f5374962e54cfdb04a7b041808af3d4c8 (patch)
tree884a7a8d86084036225b64637c88bec9f3e16e39 /drivers/media/platform/vivid/vivid-vid-cap.c
parent4ee895e71abb51de61f8ea4b7cdba68e474ccf16 (diff)
media: vivid: add CEC support to display present ctrl
Set/invalidate physical addresses based on the configuration of the display present control. This is relevant not only when the display present control is modified, but also when the Vivid instance EDID is set/cleared. Signed-off-by: Johan Korsnes <johan.korsnes@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/vivid/vivid-vid-cap.c')
-rw-r--r--drivers/media/platform/vivid/vivid-vid-cap.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c
index 6edb0325f25f..8cbaa0c998ed 100644
--- a/drivers/media/platform/vivid/vivid-vid-cap.c
+++ b/drivers/media/platform/vivid/vivid-vid-cap.c
@@ -1748,7 +1748,8 @@ int vidioc_s_edid(struct file *file, void *_fh,
{
struct vivid_dev *dev = video_drvdata(file);
u16 phys_addr;
- unsigned int i;
+ u32 display_present = 0;
+ unsigned int i, j;
int ret;
memset(edid->reserved, 0, sizeof(edid->reserved));
@@ -1758,6 +1759,8 @@ int vidioc_s_edid(struct file *file, void *_fh,
return -EINVAL;
if (edid->blocks == 0) {
dev->edid_blocks = 0;
+ v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, 0);
+ v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, 0);
phys_addr = CEC_PHYS_ADDR_INVALID;
goto set_phys_addr;
}
@@ -1776,13 +1779,23 @@ int vidioc_s_edid(struct file *file, void *_fh,
dev->edid_blocks = edid->blocks;
memcpy(dev->edid, edid->edid, edid->blocks * 128);
+ for (i = 0, j = 0; i < dev->num_outputs; i++)
+ if (dev->output_type[i] == HDMI)
+ display_present |=
+ dev->display_present[i] << j++;
+
+ v4l2_ctrl_s_ctrl(dev->ctrl_tx_edid_present, display_present);
+ v4l2_ctrl_s_ctrl(dev->ctrl_tx_hotplug, display_present);
+
set_phys_addr:
/* TODO: a proper hotplug detect cycle should be emulated here */
cec_s_phys_addr(dev->cec_rx_adap, phys_addr, false);
for (i = 0; i < MAX_OUTPUTS && dev->cec_tx_adap[i]; i++)
cec_s_phys_addr(dev->cec_tx_adap[i],
- v4l2_phys_addr_for_input(phys_addr, i + 1),
+ dev->display_present[i] ?
+ v4l2_phys_addr_for_input(phys_addr, i + 1) :
+ CEC_PHYS_ADDR_INVALID,
false);
return 0;
}