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media: i2c: sc3338 support get real fps

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: Ic2ca1b79f75a9831c01796ec6e7f62908fbbd0e5
This commit is contained in:
Zefa Chen
2022-09-01 09:56:51 +08:00
committed by Tao Huang
parent c1250fd2fe
commit ffd4aa940d
1 changed files with 17 additions and 3 deletions
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20
drivers/media/i2c/sc3338.c
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@@ -145,6 +145,7 @@ struct sc3338 {
struct v4l2_ctrl *vblank;
struct v4l2_ctrl *test_pattern;
struct mutex mutex;
struct v4l2_fract cur_fps;
bool streaming;
bool power_on;
const struct sc3338_mode *cur_mode;
@@ -542,6 +543,7 @@ static int sc3338_set_fmt(struct v4l2_subdev *sd,
__v4l2_ctrl_modify_range(sc3338->vblank, vblank_def,
SC3338_VTS_MAX - mode->height,
1, vblank_def);
sc3338->cur_fps = mode->max_fps;
}
mutex_unlock(&sc3338->mutex);
@@ -634,9 +636,10 @@ static int sc3338_g_frame_interval(struct v4l2_subdev *sd,
struct sc3338 *sc3338 = to_sc3338(sd);
const struct sc3338_mode *mode = sc3338->cur_mode;
mutex_lock(&sc3338->mutex);
fi->interval = mode->max_fps;
mutex_unlock(&sc3338->mutex);
if (sc3338->streaming)
fi->interval = sc3338->cur_fps;
else
fi->interval = mode->max_fps;
return 0;
}
@@ -713,6 +716,7 @@ static long sc3338_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
__v4l2_ctrl_modify_range(sc3338->hblank, w, w, 1, w);
__v4l2_ctrl_modify_range(sc3338->vblank, h,
SC3338_VTS_MAX - sc3338->cur_mode->height, 1, h);
sc3338->cur_fps = sc3338->cur_mode->max_fps;
}
break;
case PREISP_CMD_SET_HDRAE_EXP:
@@ -1124,6 +1128,14 @@ static const struct v4l2_subdev_ops sc3338_subdev_ops = {
.pad = &sc3338_pad_ops,
};
static void sc3338_modify_fps_info(struct sc3338 *sc3338)
{
const struct sc3338_mode *mode = sc3338->cur_mode;
sc3338->cur_fps.denominator = mode->max_fps.denominator * sc3338->cur_vts /
mode->vts_def;
}
static int sc3338_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct sc3338 *sc3338 = container_of(ctrl->handler,
@@ -1186,6 +1198,8 @@ static int sc3338_set_ctrl(struct v4l2_ctrl *ctrl)
(ctrl->val + sc3338->cur_mode->height)
& 0xff);
sc3338->cur_vts = ctrl->val + sc3338->cur_mode->height;
if (sc3338->cur_vts != sc3338->cur_mode->vts_def)
sc3338_modify_fps_info(sc3338);
break;
case V4L2_CID_TEST_PATTERN:
ret = sc3338_enable_test_pattern(sc3338, ctrl->val);