diff options
-rw-r--r-- | drivers/media/i2c/mt9v011.c | 29 | ||||
-rw-r--r-- | drivers/media/i2c/ov6650.c | 33 | ||||
-rw-r--r-- | drivers/media/i2c/ov7670.c | 22 | ||||
-rw-r--r-- | drivers/media/i2c/ov7740.c | 29 | ||||
-rw-r--r-- | drivers/media/i2c/tvp514x.c | 37 | ||||
-rw-r--r-- | drivers/media/i2c/vs6624.c | 27 | ||||
-rw-r--r-- | drivers/media/platform/atmel/atmel-isc.c | 10 | ||||
-rw-r--r-- | drivers/media/platform/atmel/atmel-isi.c | 12 | ||||
-rw-r--r-- | drivers/media/platform/blackfin/bfin_capture.c | 14 | ||||
-rw-r--r-- | drivers/media/platform/marvell-ccic/mcam-core.c | 12 | ||||
-rw-r--r-- | drivers/media/platform/soc_camera/soc_camera.c | 10 | ||||
-rw-r--r-- | drivers/media/platform/via-camera.c | 4 | ||||
-rw-r--r-- | drivers/media/usb/em28xx/em28xx-video.c | 36 |
13 files changed, 110 insertions, 165 deletions
diff --git a/drivers/media/i2c/mt9v011.c b/drivers/media/i2c/mt9v011.c index 5e29064fae91..46ef74a2ca36 100644 --- a/drivers/media/i2c/mt9v011.c +++ b/drivers/media/i2c/mt9v011.c @@ -364,33 +364,22 @@ static int mt9v011_set_fmt(struct v4l2_subdev *sd, return 0; } -static int mt9v011_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) +static int mt9v011_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { - struct v4l2_captureparm *cp = &parms->parm.capture; - - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - memset(cp, 0, sizeof(struct v4l2_captureparm)); - cp->capability = V4L2_CAP_TIMEPERFRAME; calc_fps(sd, - &cp->timeperframe.numerator, - &cp->timeperframe.denominator); + &ival->interval.numerator, + &ival->interval.denominator); return 0; } -static int mt9v011_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) +static int mt9v011_s_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { - struct v4l2_captureparm *cp = &parms->parm.capture; - struct v4l2_fract *tpf = &cp->timeperframe; + struct v4l2_fract *tpf = &ival->interval; u16 speed; - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (cp->extendedmode != 0) - return -EINVAL; - speed = calc_speed(sd, tpf->numerator, tpf->denominator); mt9v011_write(sd, R0A_MT9V011_CLK_SPEED, speed); @@ -469,8 +458,8 @@ static const struct v4l2_subdev_core_ops mt9v011_core_ops = { }; static const struct v4l2_subdev_video_ops mt9v011_video_ops = { - .g_parm = mt9v011_g_parm, - .s_parm = mt9v011_s_parm, + .g_frame_interval = mt9v011_g_frame_interval, + .s_frame_interval = mt9v011_s_frame_interval, }; static const struct v4l2_subdev_pad_ops mt9v011_pad_ops = { diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c index 8975d16b2b24..17a34b4a819d 100644 --- a/drivers/media/i2c/ov6650.c +++ b/drivers/media/i2c/ov6650.c @@ -201,7 +201,7 @@ struct ov6650 { struct v4l2_rect rect; /* sensor cropping window */ unsigned long pclk_limit; /* from host */ unsigned long pclk_max; /* from resolution and format */ - struct v4l2_fract tpf; /* as requested with s_parm */ + struct v4l2_fract tpf; /* as requested with s_frame_interval */ u32 code; enum v4l2_colorspace colorspace; }; @@ -723,42 +723,31 @@ static int ov6650_enum_mbus_code(struct v4l2_subdev *sd, return 0; } -static int ov6650_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) +static int ov6650_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { struct i2c_client *client = v4l2_get_subdevdata(sd); struct ov6650 *priv = to_ov6650(client); - struct v4l2_captureparm *cp = &parms->parm.capture; - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - memset(cp, 0, sizeof(*cp)); - cp->capability = V4L2_CAP_TIMEPERFRAME; - cp->timeperframe.numerator = GET_CLKRC_DIV(to_clkrc(&priv->tpf, + ival->interval.numerator = GET_CLKRC_DIV(to_clkrc(&priv->tpf, priv->pclk_limit, priv->pclk_max)); - cp->timeperframe.denominator = FRAME_RATE_MAX; + ival->interval.denominator = FRAME_RATE_MAX; dev_dbg(&client->dev, "Frame interval: %u/%u s\n", - cp->timeperframe.numerator, cp->timeperframe.denominator); + ival->interval.numerator, ival->interval.denominator); return 0; } -static int ov6650_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) +static int ov6650_s_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { struct i2c_client *client = v4l2_get_subdevdata(sd); struct ov6650 *priv = to_ov6650(client); - struct v4l2_captureparm *cp = &parms->parm.capture; - struct v4l2_fract *tpf = &cp->timeperframe; + struct v4l2_fract *tpf = &ival->interval; int div, ret; u8 clkrc; - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (cp->extendedmode != 0) - return -EINVAL; - if (tpf->numerator == 0 || tpf->denominator == 0) div = 1; /* Reset to full rate */ else @@ -921,8 +910,8 @@ static int ov6650_s_mbus_config(struct v4l2_subdev *sd, static const struct v4l2_subdev_video_ops ov6650_video_ops = { .s_stream = ov6650_s_stream, - .g_parm = ov6650_g_parm, - .s_parm = ov6650_s_parm, + .g_frame_interval = ov6650_g_frame_interval, + .s_frame_interval = ov6650_s_frame_interval, .g_mbus_config = ov6650_g_mbus_config, .s_mbus_config = ov6650_s_mbus_config, }; diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c index 28571de1c2f6..31b0c33cfc5b 100644 --- a/drivers/media/i2c/ov7670.c +++ b/drivers/media/i2c/ov7670.c @@ -1100,30 +1100,24 @@ static int ov7670_get_fmt(struct v4l2_subdev *sd, * Implement G/S_PARM. There is a "high quality" mode we could try * to do someday; for now, we just do the frame rate tweak. */ -static int ov7670_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) +static int ov7670_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { - struct v4l2_captureparm *cp = &parms->parm.capture; struct ov7670_info *info = to_state(sd); - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - cp->capability = V4L2_CAP_TIMEPERFRAME; - info->devtype->get_framerate(sd, &cp->timeperframe); + info->devtype->get_framerate(sd, &ival->interval); return 0; } -static int ov7670_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) +static int ov7670_s_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { - struct v4l2_captureparm *cp = &parms->parm.capture; - struct v4l2_fract *tpf = &cp->timeperframe; + struct v4l2_fract *tpf = &ival->interval; struct ov7670_info *info = to_state(sd); - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - cp->capability = V4L2_CAP_TIMEPERFRAME; return info->devtype->set_framerate(sd, tpf); } @@ -1636,8 +1630,8 @@ static const struct v4l2_subdev_core_ops ov7670_core_ops = { }; static const struct v4l2_subdev_video_ops ov7670_video_ops = { - .s_parm = ov7670_s_parm, - .g_parm = ov7670_g_parm, + .s_frame_interval = ov7670_s_frame_interval, + .g_frame_interval = ov7670_g_frame_interval, }; static const struct v4l2_subdev_pad_ops ov7670_pad_ops = { diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c index fc9dbbcae56e..e1a44a18d9a8 100644 --- a/drivers/media/i2c/ov7740.c +++ b/drivers/media/i2c/ov7740.c @@ -624,17 +624,11 @@ err_unlock: return ret; } -static int ov7740_get_parm(struct v4l2_subdev *sd, - struct v4l2_streamparm *parms) +static int ov7740_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { - struct v4l2_captureparm *cp = &parms->parm.capture; - struct v4l2_fract *tpf = &cp->timeperframe; + struct v4l2_fract *tpf = &ival->interval; - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - memset(cp, 0, sizeof(struct v4l2_captureparm)); - cp->capability = V4L2_CAP_TIMEPERFRAME; tpf->numerator = 1; tpf->denominator = 60; @@ -642,18 +636,11 @@ static int ov7740_get_parm(struct v4l2_subdev *sd, return 0; } -static int ov7740_set_parm(struct v4l2_subdev *sd, - struct v4l2_streamparm *parms) +static int ov7740_s_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { - struct v4l2_captureparm *cp = &parms->parm.capture; - struct v4l2_fract *tpf = &cp->timeperframe; - - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (cp->extendedmode != 0) - return -EINVAL; + struct v4l2_fract *tpf = &ival->interval; - cp->capability = V4L2_CAP_TIMEPERFRAME; tpf->numerator = 1; tpf->denominator = 60; @@ -663,8 +650,8 @@ static int ov7740_set_parm(struct v4l2_subdev *sd, static struct v4l2_subdev_video_ops ov7740_subdev_video_ops = { .s_stream = ov7740_set_stream, - .s_parm = ov7740_set_parm, - .g_parm = ov7740_get_parm, + .s_frame_interval = ov7740_s_frame_interval, + .g_frame_interval = ov7740_g_frame_interval, }; static const struct reg_sequence ov7740_format_yuyv[] = { diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c index 8b0aa9297bde..310f9fce520d 100644 --- a/drivers/media/i2c/tvp514x.c +++ b/drivers/media/i2c/tvp514x.c @@ -747,60 +747,47 @@ static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl) } /** - * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm + * tvp514x_g_frame_interval() - V4L2 decoder interface handler * @sd: pointer to standard V4L2 sub-device structure - * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure + * @a: pointer to a v4l2_subdev_frame_interval structure * * Returns the decoder's video CAPTURE parameters. */ static int -tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) +tvp514x_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { struct tvp514x_decoder *decoder = to_decoder(sd); - struct v4l2_captureparm *cparm; enum tvp514x_std current_std; - if (a == NULL) - return -EINVAL; - - if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - /* only capture is supported */ - return -EINVAL; /* get the current standard */ current_std = decoder->current_std; - cparm = &a->parm.capture; - cparm->capability = V4L2_CAP_TIMEPERFRAME; - cparm->timeperframe = + ival->interval = decoder->std_list[current_std].standard.frameperiod; return 0; } /** - * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm + * tvp514x_s_frame_interval() - V4L2 decoder interface handler * @sd: pointer to standard V4L2 sub-device structure - * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure + * @a: pointer to a v4l2_subdev_frame_interval structure * * Configures the decoder to use the input parameters, if possible. If * not possible, returns the appropriate error code. */ static int -tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) +tvp514x_s_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { struct tvp514x_decoder *decoder = to_decoder(sd); struct v4l2_fract *timeperframe; enum tvp514x_std current_std; - if (a == NULL) - return -EINVAL; - - if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - /* only capture is supported */ - return -EINVAL; - timeperframe = &a->parm.capture.timeperframe; + timeperframe = &ival->interval; /* get the current standard */ current_std = decoder->current_std; @@ -961,8 +948,8 @@ static const struct v4l2_subdev_video_ops tvp514x_video_ops = { .s_std = tvp514x_s_std, .s_routing = tvp514x_s_routing, .querystd = tvp514x_querystd, - .g_parm = tvp514x_g_parm, - .s_parm = tvp514x_s_parm, + .g_frame_interval = tvp514x_g_frame_interval, + .s_frame_interval = tvp514x_s_frame_interval, .s_stream = tvp514x_s_stream, }; diff --git a/drivers/media/i2c/vs6624.c b/drivers/media/i2c/vs6624.c index 560738213c00..1658816a9844 100644 --- a/drivers/media/i2c/vs6624.c +++ b/drivers/media/i2c/vs6624.c @@ -657,31 +657,22 @@ static int vs6624_get_fmt(struct v4l2_subdev *sd, return 0; } -static int vs6624_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) +static int vs6624_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { struct vs6624 *sensor = to_vs6624(sd); - struct v4l2_captureparm *cp = &parms->parm.capture; - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - memset(cp, 0, sizeof(*cp)); - cp->capability = V4L2_CAP_TIMEPERFRAME; - cp->timeperframe.numerator = sensor->frame_rate.denominator; - cp->timeperframe.denominator = sensor->frame_rate.numerator; + ival->interval.numerator = sensor->frame_rate.denominator; + ival->interval.denominator = sensor->frame_rate.numerator; return 0; } -static int vs6624_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms) +static int vs6624_s_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *ival) { struct vs6624 *sensor = to_vs6624(sd); - struct v4l2_captureparm *cp = &parms->parm.capture; - struct v4l2_fract *tpf = &cp->timeperframe; + struct v4l2_fract *tpf = &ival->interval; - if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (cp->extendedmode != 0) - return -EINVAL; if (tpf->numerator == 0 || tpf->denominator == 0 || (tpf->denominator > tpf->numerator * MAX_FRAME_RATE)) { @@ -738,8 +729,8 @@ static const struct v4l2_subdev_core_ops vs6624_core_ops = { }; static const struct v4l2_subdev_video_ops vs6624_video_ops = { - .s_parm = vs6624_s_parm, - .g_parm = vs6624_g_parm, + .s_frame_interval = vs6624_s_frame_interval, + .g_frame_interval = vs6624_g_frame_interval, .s_stream = vs6624_s_stream, }; diff --git a/drivers/media/platform/atmel/atmel-isc.c b/drivers/media/platform/atmel/atmel-isc.c index 34676409ca08..92d695b29fa9 100644 --- a/drivers/media/platform/atmel/atmel-isc.c +++ b/drivers/media/platform/atmel/atmel-isc.c @@ -1417,20 +1417,14 @@ static int isc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) { struct isc_device *isc = video_drvdata(file); - if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - return v4l2_subdev_call(isc->current_subdev->sd, video, g_parm, a); + return v4l2_g_parm_cap(video_devdata(file), isc->current_subdev->sd, a); } static int isc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) { struct isc_device *isc = video_drvdata(file); - if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - return v4l2_subdev_call(isc->current_subdev->sd, video, s_parm, a); + return v4l2_s_parm_cap(video_devdata(file), isc->current_subdev->sd, a); } static int isc_enum_framesizes(struct file *file, void *fh, diff --git a/drivers/media/platform/atmel/atmel-isi.c b/drivers/media/platform/atmel/atmel-isi.c index 9958918e2449..e5be21a31640 100644 --- a/drivers/media/platform/atmel/atmel-isi.c +++ b/drivers/media/platform/atmel/atmel-isi.c @@ -689,22 +689,14 @@ static int isi_g_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, 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, diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 41f179117fb0..b7660b1000fd 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -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) diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c index 7b7250b1cff8..80670eeee142 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.c +++ b/drivers/media/platform/marvell-ccic/mcam-core.c @@ -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; } diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index c86dd2fdab84..1318512c8fe3 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -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, diff --git a/drivers/media/platform/via-camera.c b/drivers/media/platform/via-camera.c index f77be9302120..e9a02639554b 100644 --- a/drivers/media/platform/via-camera.c +++ b/drivers/media/platform/via-camera.c @@ -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; diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index a2ba2d905952..2724e3b99af2 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -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, |