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media: i2c: sc035gs support get real fps

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I35abf81ea047f7a9cea002aed41c43e693e7b51d
This commit is contained in:
Zefa Chen
2022-09-05 21:01:18 +08:00
committed by Tao Huang
parent 3baadab121
commit 5097c3461a
1 changed files with 22 additions and 3 deletions
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25
drivers/media/i2c/sc035gs.c
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@@ -126,6 +126,8 @@ struct sc035gs {
struct v4l2_ctrl *pixel_rate;
struct v4l2_ctrl *link_freq;
struct mutex mutex;
struct v4l2_fract cur_fps;
u32 cur_vts;
bool streaming;
bool power_on;
const struct sc035gs_mode *cur_mode;
@@ -455,6 +457,8 @@ static int sc035gs_set_fmt(struct v4l2_subdev *sd,
1, vblank_def);
__v4l2_ctrl_s_ctrl_int64(sc035gs->pixel_rate, mode->pixel_rate);
__v4l2_ctrl_s_ctrl(sc035gs->link_freq, mode->link_freq_index);
sc035gs->cur_vts = mode->vts_def;
sc035gs->cur_fps = mode->max_fps;
}
mutex_unlock(&sc035gs->mutex);
@@ -779,9 +783,10 @@ static int sc035gs_g_frame_interval(struct v4l2_subdev *sd,
struct sc035gs *sc035gs = to_sc035gs(sd);
const struct sc035gs_mode *mode = sc035gs->cur_mode;
mutex_lock(&sc035gs->mutex);
fi->interval = mode->max_fps;
mutex_unlock(&sc035gs->mutex);
if (sc035gs->streaming)
fi->interval = sc035gs->cur_fps;
else
fi->interval = mode->max_fps;
return 0;
}
@@ -974,6 +979,14 @@ static const struct v4l2_subdev_ops sc035gs_subdev_ops = {
.pad = &sc035gs_pad_ops,
};
static void sc035gs_modify_fps_info(struct sc035gs *sc035gs)
{
const struct sc035gs_mode *mode = sc035gs->cur_mode;
sc035gs->cur_fps.denominator = mode->max_fps.denominator * sc035gs->cur_vts /
mode->vts_def;
}
static int sc035gs_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct sc035gs *sc035gs = container_of(ctrl->handler,
@@ -1010,6 +1023,10 @@ static int sc035gs_set_ctrl(struct v4l2_ctrl *ctrl)
ret = sc035gs_write_reg(sc035gs->client, SC035GS_REG_VTS,
SC035GS_REG_VALUE_16BIT,
ctrl->val + sc035gs->cur_mode->height);
if (!ret)
sc035gs->cur_vts = ctrl->val + sc035gs->cur_mode->height;
if (sc035gs->cur_vts != sc035gs->cur_mode->vts_def)
sc035gs_modify_fps_info(sc035gs);
break;
case V4L2_CID_TEST_PATTERN:
ret = sc035gs_enable_test_pattern(sc035gs, ctrl->val);
@@ -1062,6 +1079,8 @@ static int sc035gs_initialize_controls(struct sc035gs *sc035gs)
sc035gs->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
vblank_def = mode->vts_def - mode->height;
sc035gs->cur_vts = mode->vts_def;
sc035gs->cur_fps = mode->max_fps;
sc035gs->vblank = v4l2_ctrl_new_std(handler, &sc035gs_ctrl_ops,
V4L2_CID_VBLANK, vblank_def,
SC035GS_VTS_MAX - mode->height,