media: convert g/s_parm to g/s_frame_interval in subdevs
Convert all g/s_parm calls to g/s_frame_interval. This allows us to remove the g/s_parm ops since those are a duplicate of g/s_frame_interval. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Родитель
672de9a79c
Коммит
4471109e38
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@ -364,33 +364,22 @@ static int mt9v011_set_fmt(struct v4l2_subdev *sd,
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return 0;
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}
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static int mt9v011_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
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static int mt9v011_g_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct v4l2_captureparm *cp = &parms->parm.capture;
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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memset(cp, 0, sizeof(struct v4l2_captureparm));
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cp->capability = V4L2_CAP_TIMEPERFRAME;
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calc_fps(sd,
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&cp->timeperframe.numerator,
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&cp->timeperframe.denominator);
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&ival->interval.numerator,
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&ival->interval.denominator);
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return 0;
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}
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static int mt9v011_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
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static int mt9v011_s_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct v4l2_captureparm *cp = &parms->parm.capture;
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struct v4l2_fract *tpf = &cp->timeperframe;
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struct v4l2_fract *tpf = &ival->interval;
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u16 speed;
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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if (cp->extendedmode != 0)
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return -EINVAL;
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speed = calc_speed(sd, tpf->numerator, tpf->denominator);
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mt9v011_write(sd, R0A_MT9V011_CLK_SPEED, speed);
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@ -469,8 +458,8 @@ static const struct v4l2_subdev_core_ops mt9v011_core_ops = {
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};
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static const struct v4l2_subdev_video_ops mt9v011_video_ops = {
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.g_parm = mt9v011_g_parm,
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.s_parm = mt9v011_s_parm,
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.g_frame_interval = mt9v011_g_frame_interval,
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.s_frame_interval = mt9v011_s_frame_interval,
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};
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static const struct v4l2_subdev_pad_ops mt9v011_pad_ops = {
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@ -201,7 +201,7 @@ struct ov6650 {
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struct v4l2_rect rect; /* sensor cropping window */
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unsigned long pclk_limit; /* from host */
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unsigned long pclk_max; /* from resolution and format */
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struct v4l2_fract tpf; /* as requested with s_parm */
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struct v4l2_fract tpf; /* as requested with s_frame_interval */
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u32 code;
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enum v4l2_colorspace colorspace;
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};
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@ -723,42 +723,31 @@ static int ov6650_enum_mbus_code(struct v4l2_subdev *sd,
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return 0;
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}
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static int ov6650_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
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static int ov6650_g_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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struct ov6650 *priv = to_ov6650(client);
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struct v4l2_captureparm *cp = &parms->parm.capture;
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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memset(cp, 0, sizeof(*cp));
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cp->capability = V4L2_CAP_TIMEPERFRAME;
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cp->timeperframe.numerator = GET_CLKRC_DIV(to_clkrc(&priv->tpf,
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ival->interval.numerator = GET_CLKRC_DIV(to_clkrc(&priv->tpf,
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priv->pclk_limit, priv->pclk_max));
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cp->timeperframe.denominator = FRAME_RATE_MAX;
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ival->interval.denominator = FRAME_RATE_MAX;
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dev_dbg(&client->dev, "Frame interval: %u/%u s\n",
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cp->timeperframe.numerator, cp->timeperframe.denominator);
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ival->interval.numerator, ival->interval.denominator);
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return 0;
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}
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static int ov6650_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
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static int ov6650_s_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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struct ov6650 *priv = to_ov6650(client);
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struct v4l2_captureparm *cp = &parms->parm.capture;
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struct v4l2_fract *tpf = &cp->timeperframe;
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struct v4l2_fract *tpf = &ival->interval;
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int div, ret;
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u8 clkrc;
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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if (cp->extendedmode != 0)
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return -EINVAL;
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if (tpf->numerator == 0 || tpf->denominator == 0)
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div = 1; /* Reset to full rate */
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else
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@ -921,8 +910,8 @@ static int ov6650_s_mbus_config(struct v4l2_subdev *sd,
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static const struct v4l2_subdev_video_ops ov6650_video_ops = {
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.s_stream = ov6650_s_stream,
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.g_parm = ov6650_g_parm,
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.s_parm = ov6650_s_parm,
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.g_frame_interval = ov6650_g_frame_interval,
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.s_frame_interval = ov6650_s_frame_interval,
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.g_mbus_config = ov6650_g_mbus_config,
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.s_mbus_config = ov6650_s_mbus_config,
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};
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@ -1100,30 +1100,24 @@ static int ov7670_get_fmt(struct v4l2_subdev *sd,
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* Implement G/S_PARM. There is a "high quality" mode we could try
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* to do someday; for now, we just do the frame rate tweak.
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*/
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static int ov7670_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
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static int ov7670_g_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct v4l2_captureparm *cp = &parms->parm.capture;
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struct ov7670_info *info = to_state(sd);
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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cp->capability = V4L2_CAP_TIMEPERFRAME;
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info->devtype->get_framerate(sd, &cp->timeperframe);
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info->devtype->get_framerate(sd, &ival->interval);
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return 0;
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}
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static int ov7670_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
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static int ov7670_s_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct v4l2_captureparm *cp = &parms->parm.capture;
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struct v4l2_fract *tpf = &cp->timeperframe;
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struct v4l2_fract *tpf = &ival->interval;
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struct ov7670_info *info = to_state(sd);
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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cp->capability = V4L2_CAP_TIMEPERFRAME;
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return info->devtype->set_framerate(sd, tpf);
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}
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@ -1636,8 +1630,8 @@ static const struct v4l2_subdev_core_ops ov7670_core_ops = {
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};
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static const struct v4l2_subdev_video_ops ov7670_video_ops = {
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.s_parm = ov7670_s_parm,
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.g_parm = ov7670_g_parm,
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.s_frame_interval = ov7670_s_frame_interval,
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.g_frame_interval = ov7670_g_frame_interval,
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};
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static const struct v4l2_subdev_pad_ops ov7670_pad_ops = {
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@ -624,17 +624,11 @@ err_unlock:
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return ret;
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}
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static int ov7740_get_parm(struct v4l2_subdev *sd,
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struct v4l2_streamparm *parms)
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static int ov7740_g_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct v4l2_captureparm *cp = &parms->parm.capture;
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struct v4l2_fract *tpf = &cp->timeperframe;
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struct v4l2_fract *tpf = &ival->interval;
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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memset(cp, 0, sizeof(struct v4l2_captureparm));
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cp->capability = V4L2_CAP_TIMEPERFRAME;
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tpf->numerator = 1;
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tpf->denominator = 60;
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@ -642,18 +636,11 @@ static int ov7740_get_parm(struct v4l2_subdev *sd,
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return 0;
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}
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static int ov7740_set_parm(struct v4l2_subdev *sd,
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struct v4l2_streamparm *parms)
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static int ov7740_s_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct v4l2_captureparm *cp = &parms->parm.capture;
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struct v4l2_fract *tpf = &cp->timeperframe;
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struct v4l2_fract *tpf = &ival->interval;
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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if (cp->extendedmode != 0)
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return -EINVAL;
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cp->capability = V4L2_CAP_TIMEPERFRAME;
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tpf->numerator = 1;
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tpf->denominator = 60;
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@ -663,8 +650,8 @@ static int ov7740_set_parm(struct v4l2_subdev *sd,
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static struct v4l2_subdev_video_ops ov7740_subdev_video_ops = {
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.s_stream = ov7740_set_stream,
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.s_parm = ov7740_set_parm,
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.g_parm = ov7740_get_parm,
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.s_frame_interval = ov7740_s_frame_interval,
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.g_frame_interval = ov7740_g_frame_interval,
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};
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static const struct reg_sequence ov7740_format_yuyv[] = {
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@ -747,60 +747,47 @@ static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl)
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}
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/**
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* tvp514x_g_parm() - V4L2 decoder interface handler for g_parm
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* tvp514x_g_frame_interval() - V4L2 decoder interface handler
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* @sd: pointer to standard V4L2 sub-device structure
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* @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure
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* @a: pointer to a v4l2_subdev_frame_interval structure
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*
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* Returns the decoder's video CAPTURE parameters.
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*/
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static int
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tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
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tvp514x_g_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct tvp514x_decoder *decoder = to_decoder(sd);
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struct v4l2_captureparm *cparm;
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enum tvp514x_std current_std;
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if (a == NULL)
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return -EINVAL;
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if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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/* only capture is supported */
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return -EINVAL;
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/* get the current standard */
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current_std = decoder->current_std;
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cparm = &a->parm.capture;
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cparm->capability = V4L2_CAP_TIMEPERFRAME;
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cparm->timeperframe =
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ival->interval =
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decoder->std_list[current_std].standard.frameperiod;
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return 0;
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}
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/**
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* tvp514x_s_parm() - V4L2 decoder interface handler for s_parm
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* tvp514x_s_frame_interval() - V4L2 decoder interface handler
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* @sd: pointer to standard V4L2 sub-device structure
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* @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure
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* @a: pointer to a v4l2_subdev_frame_interval structure
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*
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* Configures the decoder to use the input parameters, if possible. If
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* not possible, returns the appropriate error code.
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*/
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static int
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tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
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tvp514x_s_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct tvp514x_decoder *decoder = to_decoder(sd);
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struct v4l2_fract *timeperframe;
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enum tvp514x_std current_std;
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if (a == NULL)
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return -EINVAL;
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if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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/* only capture is supported */
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return -EINVAL;
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timeperframe = &a->parm.capture.timeperframe;
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timeperframe = &ival->interval;
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/* get the current standard */
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current_std = decoder->current_std;
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@ -961,8 +948,8 @@ static const struct v4l2_subdev_video_ops tvp514x_video_ops = {
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.s_std = tvp514x_s_std,
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.s_routing = tvp514x_s_routing,
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.querystd = tvp514x_querystd,
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.g_parm = tvp514x_g_parm,
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.s_parm = tvp514x_s_parm,
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.g_frame_interval = tvp514x_g_frame_interval,
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.s_frame_interval = tvp514x_s_frame_interval,
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.s_stream = tvp514x_s_stream,
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};
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@ -657,31 +657,22 @@ static int vs6624_get_fmt(struct v4l2_subdev *sd,
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return 0;
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}
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static int vs6624_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
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static int vs6624_g_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct vs6624 *sensor = to_vs6624(sd);
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struct v4l2_captureparm *cp = &parms->parm.capture;
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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memset(cp, 0, sizeof(*cp));
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cp->capability = V4L2_CAP_TIMEPERFRAME;
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cp->timeperframe.numerator = sensor->frame_rate.denominator;
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cp->timeperframe.denominator = sensor->frame_rate.numerator;
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ival->interval.numerator = sensor->frame_rate.denominator;
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ival->interval.denominator = sensor->frame_rate.numerator;
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return 0;
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}
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static int vs6624_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
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static int vs6624_s_frame_interval(struct v4l2_subdev *sd,
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struct v4l2_subdev_frame_interval *ival)
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{
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struct vs6624 *sensor = to_vs6624(sd);
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struct v4l2_captureparm *cp = &parms->parm.capture;
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struct v4l2_fract *tpf = &cp->timeperframe;
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struct v4l2_fract *tpf = &ival->interval;
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if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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if (cp->extendedmode != 0)
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return -EINVAL;
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if (tpf->numerator == 0 || tpf->denominator == 0
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|| (tpf->denominator > tpf->numerator * MAX_FRAME_RATE)) {
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@ -738,8 +729,8 @@ static const struct v4l2_subdev_core_ops vs6624_core_ops = {
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};
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static const struct v4l2_subdev_video_ops vs6624_video_ops = {
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.s_parm = vs6624_s_parm,
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.g_parm = vs6624_g_parm,
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.s_frame_interval = vs6624_s_frame_interval,
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.g_frame_interval = vs6624_g_frame_interval,
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.s_stream = vs6624_s_stream,
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};
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@ -1417,20 +1417,14 @@ static int isc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
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{
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struct isc_device *isc = video_drvdata(file);
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if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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return v4l2_subdev_call(isc->current_subdev->sd, video, g_parm, a);
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return v4l2_g_parm_cap(video_devdata(file), isc->current_subdev->sd, a);
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}
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static int isc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
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{
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struct isc_device *isc = video_drvdata(file);
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if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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return v4l2_subdev_call(isc->current_subdev->sd, video, s_parm, a);
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return v4l2_s_parm_cap(video_devdata(file), isc->current_subdev->sd, a);
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}
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static int isc_enum_framesizes(struct file *file, void *fh,
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@ -689,22 +689,14 @@ static int isi_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
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|||
{
|
||||
struct atmel_isi *isi = video_drvdata(file);
|
||||
|
||||
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
return -EINVAL;
|
||||
|
||||
a->parm.capture.readbuffers = 2;
|
||||
return v4l2_subdev_call(isi->entity.subdev, video, g_parm, a);
|
||||
return v4l2_g_parm_cap(video_devdata(file), isi->entity.subdev, a);
|
||||
}
|
||||
|
||||
static int isi_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
|
||||
{
|
||||
struct atmel_isi *isi = video_drvdata(file);
|
||||
|
||||
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
return -EINVAL;
|
||||
|
||||
a->parm.capture.readbuffers = 2;
|
||||
return v4l2_subdev_call(isi->entity.subdev, video, s_parm, a);
|
||||
return v4l2_s_parm_cap(video_devdata(file), isi->entity.subdev, a);
|
||||
}
|
||||
|
||||
static int isi_enum_framesizes(struct file *file, void *fh,
|
||||
|
|
|
@ -712,24 +712,18 @@ static int bcap_querycap(struct file *file, void *priv,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int bcap_g_parm(struct file *file, void *fh,
|
||||
struct v4l2_streamparm *a)
|
||||
static int bcap_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
|
||||
{
|
||||
struct bcap_device *bcap_dev = video_drvdata(file);
|
||||
|
||||
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
return -EINVAL;
|
||||
return v4l2_subdev_call(bcap_dev->sd, video, g_parm, a);
|
||||
return v4l2_g_parm_cap(video_devdata(file), bcap_dev->sd, a);
|
||||
}
|
||||
|
||||
static int bcap_s_parm(struct file *file, void *fh,
|
||||
struct v4l2_streamparm *a)
|
||||
static int bcap_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
|
||||
{
|
||||
struct bcap_device *bcap_dev = video_drvdata(file);
|
||||
|
||||
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
return -EINVAL;
|
||||
return v4l2_subdev_call(bcap_dev->sd, video, s_parm, a);
|
||||
return v4l2_s_parm_cap(video_devdata(file), bcap_dev->sd, a);
|
||||
}
|
||||
|
||||
static int bcap_log_status(struct file *file, void *priv)
|
||||
|
|
|
@ -1443,24 +1443,24 @@ static int mcam_vidioc_s_input(struct file *filp, void *priv, unsigned int i)
|
|||
* the level which controls the number of read buffers.
|
||||
*/
|
||||
static int mcam_vidioc_g_parm(struct file *filp, void *priv,
|
||||
struct v4l2_streamparm *parms)
|
||||
struct v4l2_streamparm *a)
|
||||
{
|
||||
struct mcam_camera *cam = video_drvdata(filp);
|
||||
int ret;
|
||||
|
||||
ret = sensor_call(cam, video, g_parm, parms);
|
||||
parms->parm.capture.readbuffers = n_dma_bufs;
|
||||
ret = v4l2_g_parm_cap(video_devdata(filp), cam->sensor, a);
|
||||
a->parm.capture.readbuffers = n_dma_bufs;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mcam_vidioc_s_parm(struct file *filp, void *priv,
|
||||
struct v4l2_streamparm *parms)
|
||||
struct v4l2_streamparm *a)
|
||||
{
|
||||
struct mcam_camera *cam = video_drvdata(filp);
|
||||
int ret;
|
||||
|
||||
ret = sensor_call(cam, video, s_parm, parms);
|
||||
parms->parm.capture.readbuffers = n_dma_bufs;
|
||||
ret = v4l2_s_parm_cap(video_devdata(filp), cam->sensor, a);
|
||||
a->parm.capture.readbuffers = n_dma_bufs;
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
|
@ -1788,17 +1788,19 @@ static int default_s_selection(struct soc_camera_device *icd,
|
|||
}
|
||||
|
||||
static int default_g_parm(struct soc_camera_device *icd,
|
||||
struct v4l2_streamparm *parm)
|
||||
struct v4l2_streamparm *a)
|
||||
{
|
||||
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
|
||||
return v4l2_subdev_call(sd, video, g_parm, parm);
|
||||
|
||||
return v4l2_g_parm_cap(icd->vdev, sd, a);
|
||||
}
|
||||
|
||||
static int default_s_parm(struct soc_camera_device *icd,
|
||||
struct v4l2_streamparm *parm)
|
||||
struct v4l2_streamparm *a)
|
||||
{
|
||||
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
|
||||
return v4l2_subdev_call(sd, video, s_parm, parm);
|
||||
|
||||
return v4l2_s_parm_cap(icd->vdev, sd, a);
|
||||
}
|
||||
|
||||
static int default_enum_framesizes(struct soc_camera_device *icd,
|
||||
|
|
|
@ -1112,7 +1112,7 @@ static int viacam_g_parm(struct file *filp, void *priv,
|
|||
int ret;
|
||||
|
||||
mutex_lock(&cam->lock);
|
||||
ret = sensor_call(cam, video, g_parm, parm);
|
||||
ret = v4l2_g_parm_cap(video_devdata(filp), cam->sensor, parm);
|
||||
mutex_unlock(&cam->lock);
|
||||
parm->parm.capture.readbuffers = cam->n_cap_bufs;
|
||||
return ret;
|
||||
|
@ -1125,7 +1125,7 @@ static int viacam_s_parm(struct file *filp, void *priv,
|
|||
int ret;
|
||||
|
||||
mutex_lock(&cam->lock);
|
||||
ret = sensor_call(cam, video, s_parm, parm);
|
||||
ret = v4l2_s_parm_cap(video_devdata(filp), cam->sensor, parm);
|
||||
mutex_unlock(&cam->lock);
|
||||
parm->parm.capture.readbuffers = cam->n_cap_bufs;
|
||||
return ret;
|
||||
|
|
|
@ -1582,17 +1582,26 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
|
|||
static int vidioc_g_parm(struct file *file, void *priv,
|
||||
struct v4l2_streamparm *p)
|
||||
{
|
||||
struct v4l2_subdev_frame_interval ival = { 0 };
|
||||
struct em28xx *dev = video_drvdata(file);
|
||||
struct em28xx_v4l2 *v4l2 = dev->v4l2;
|
||||
int rc = 0;
|
||||
|
||||
if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
|
||||
p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
|
||||
return -EINVAL;
|
||||
|
||||
p->parm.capture.readbuffers = EM28XX_MIN_BUF;
|
||||
if (dev->board.is_webcam)
|
||||
p->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
|
||||
if (dev->board.is_webcam) {
|
||||
rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0,
|
||||
video, g_parm, p);
|
||||
else
|
||||
video, g_frame_interval, &ival);
|
||||
if (!rc)
|
||||
p->parm.capture.timeperframe = ival.interval;
|
||||
} else {
|
||||
v4l2_video_std_frame_period(v4l2->norm,
|
||||
&p->parm.capture.timeperframe);
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
@ -1601,10 +1610,27 @@ static int vidioc_s_parm(struct file *file, void *priv,
|
|||
struct v4l2_streamparm *p)
|
||||
{
|
||||
struct em28xx *dev = video_drvdata(file);
|
||||
struct v4l2_subdev_frame_interval ival = {
|
||||
0,
|
||||
p->parm.capture.timeperframe
|
||||
};
|
||||
int rc = 0;
|
||||
|
||||
if (!dev->board.is_webcam)
|
||||
return -ENOTTY;
|
||||
|
||||
if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
|
||||
p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
|
||||
return -EINVAL;
|
||||
|
||||
memset(&p->parm, 0, sizeof(p->parm));
|
||||
p->parm.capture.readbuffers = EM28XX_MIN_BUF;
|
||||
return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev,
|
||||
0, video, s_parm, p);
|
||||
p->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
|
||||
rc = v4l2_device_call_until_err(&dev->v4l2->v4l2_dev, 0,
|
||||
video, s_frame_interval, &ival);
|
||||
if (!rc)
|
||||
p->parm.capture.timeperframe = ival.interval;
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int vidioc_enum_input(struct file *file, void *priv,
|
||||
|
|
Загрузка…
Ссылка в новой задаче