diff options
| author | Daniel Scally <djrscally@gmail.com> | 2021-11-23 03:00:10 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-11-30 12:56:40 +0300 |
| commit | d84d4ceea91e07dfed58fd8e7bb6b29264c195c9 (patch) | |
| tree | 1fb2b2309387fa1be3aad7b0f4609a0500fee618 /drivers/media | |
| parent | 9293aafe3745f2a2bb678a14eb589af4e6ee5ffe (diff) | |
| download | linux-d84d4ceea91e07dfed58fd8e7bb6b29264c195c9.tar.xz | |
media: i2c: Add hblank control to ov8865
Add a V4L2_CID_HBLANK control to the ov8865 driver. This is read only
with timing control intended to be done via vblanking alone.
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/i2c/ov8865.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/i2c/ov8865.c b/drivers/media/i2c/ov8865.c index 27043b9426a1..f1ee0e425adf 100644 --- a/drivers/media/i2c/ov8865.c +++ b/drivers/media/i2c/ov8865.c @@ -677,6 +677,7 @@ struct ov8865_state { struct ov8865_ctrls { struct v4l2_ctrl *link_freq; struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *hblank; struct v4l2_ctrl *vblank; struct v4l2_ctrl_handler handler; @@ -2513,6 +2514,7 @@ static int ov8865_ctrls_init(struct ov8865_sensor *sensor) const struct v4l2_ctrl_ops *ops = &ov8865_ctrl_ops; const struct ov8865_mode *mode = &ov8865_modes[0]; unsigned int vblank_max, vblank_def; + unsigned int hblank; int ret; v4l2_ctrl_handler_init(handler, 32); @@ -2550,6 +2552,13 @@ static int ov8865_ctrls_init(struct ov8865_sensor *sensor) 0, 0, ov8865_test_pattern_menu); /* Blanking */ + hblank = mode->hts - mode->output_size_x; + ctrls->hblank = v4l2_ctrl_new_std(handler, ops, V4L2_CID_HBLANK, hblank, + hblank, 1, hblank); + + if (ctrls->hblank) + ctrls->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + vblank_max = OV8865_TIMING_MAX_VTS - mode->output_size_y; vblank_def = mode->vts - mode->output_size_y; ctrls->vblank = v4l2_ctrl_new_std(handler, ops, V4L2_CID_VBLANK, @@ -2696,6 +2705,7 @@ static int ov8865_set_fmt(struct v4l2_subdev *subdev, struct v4l2_mbus_framefmt *mbus_format = &format->format; const struct ov8865_mode *mode; u32 mbus_code = 0; + unsigned int hblank; unsigned int index; int ret = 0; @@ -2740,6 +2750,10 @@ static int ov8865_set_fmt(struct v4l2_subdev *subdev, OV8865_TIMING_MAX_VTS - mode->output_size_y, 1, mode->vts - mode->output_size_y); + hblank = mode->hts - mode->output_size_x; + __v4l2_ctrl_modify_range(sensor->ctrls.hblank, hblank, hblank, 1, + hblank); + complete: mutex_unlock(&sensor->mutex); |