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path: root/drivers/media/video/pwc/pwc-v4l.c
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Diffstat (limited to 'drivers/media/video/pwc/pwc-v4l.c')
-rw-r--r--drivers/media/video/pwc/pwc-v4l.c90
1 files changed, 72 insertions, 18 deletions
diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c
index 80e25842e84a..f495eeb5403a 100644
--- a/drivers/media/video/pwc/pwc-v4l.c
+++ b/drivers/media/video/pwc/pwc-v4l.c
@@ -493,16 +493,11 @@ static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f)
(pixelformat>>24)&255);
ret = pwc_set_video_mode(pdev, f->fmt.pix.width, f->fmt.pix.height,
- pdev->vframes, &compression);
+ pixelformat, 30, &compression, 0);
PWC_DEBUG_IOCTL("pwc_set_video_mode(), return=%d\n", ret);
- if (ret == 0) {
- pdev->pixfmt = pixelformat;
- pwc_vidioc_fill_fmt(f, pdev->width, pdev->height,
- pdev->pixfmt);
- }
-
+ pwc_vidioc_fill_fmt(f, pdev->width, pdev->height, pdev->pixfmt);
leave:
mutex_unlock(&pdev->udevlock);
return ret;
@@ -777,33 +772,33 @@ static int pwc_set_autogain_expo(struct pwc_device *pdev)
static int pwc_set_motor(struct pwc_device *pdev)
{
int ret;
- u8 buf[4];
- buf[0] = 0;
+ pdev->ctrl_buf[0] = 0;
if (pdev->motor_pan_reset->is_new)
- buf[0] |= 0x01;
+ pdev->ctrl_buf[0] |= 0x01;
if (pdev->motor_tilt_reset->is_new)
- buf[0] |= 0x02;
+ pdev->ctrl_buf[0] |= 0x02;
if (pdev->motor_pan_reset->is_new || pdev->motor_tilt_reset->is_new) {
ret = send_control_msg(pdev, SET_MPT_CTL,
- PT_RESET_CONTROL_FORMATTER, buf, 1);
+ PT_RESET_CONTROL_FORMATTER,
+ pdev->ctrl_buf, 1);
if (ret < 0)
return ret;
}
- memset(buf, 0, sizeof(buf));
+ memset(pdev->ctrl_buf, 0, 4);
if (pdev->motor_pan->is_new) {
- buf[0] = pdev->motor_pan->val & 0xFF;
- buf[1] = (pdev->motor_pan->val >> 8);
+ pdev->ctrl_buf[0] = pdev->motor_pan->val & 0xFF;
+ pdev->ctrl_buf[1] = (pdev->motor_pan->val >> 8);
}
if (pdev->motor_tilt->is_new) {
- buf[2] = pdev->motor_tilt->val & 0xFF;
- buf[3] = (pdev->motor_tilt->val >> 8);
+ pdev->ctrl_buf[2] = pdev->motor_tilt->val & 0xFF;
+ pdev->ctrl_buf[3] = (pdev->motor_tilt->val >> 8);
}
if (pdev->motor_pan->is_new || pdev->motor_tilt->is_new) {
ret = send_control_msg(pdev, SET_MPT_CTL,
PT_RELATIVE_CONTROL_FORMATTER,
- buf, sizeof(buf));
+ pdev->ctrl_buf, 4);
if (ret < 0)
return ret;
}
@@ -1094,6 +1089,63 @@ static int pwc_enum_frameintervals(struct file *file, void *fh,
return 0;
}
+static int pwc_g_parm(struct file *file, void *fh,
+ struct v4l2_streamparm *parm)
+{
+ struct pwc_device *pdev = video_drvdata(file);
+
+ if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ memset(parm, 0, sizeof(*parm));
+
+ parm->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ parm->parm.capture.readbuffers = MIN_FRAMES;
+ parm->parm.capture.capability |= V4L2_CAP_TIMEPERFRAME;
+ parm->parm.capture.timeperframe.denominator = pdev->vframes;
+ parm->parm.capture.timeperframe.numerator = 1;
+
+ return 0;
+}
+
+static int pwc_s_parm(struct file *file, void *fh,
+ struct v4l2_streamparm *parm)
+{
+ struct pwc_device *pdev = video_drvdata(file);
+ int compression = 0;
+ int ret, fps;
+
+ if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+ parm->parm.capture.timeperframe.numerator == 0)
+ return -EINVAL;
+
+ if (pwc_test_n_set_capt_file(pdev, file))
+ return -EBUSY;
+
+ fps = parm->parm.capture.timeperframe.denominator /
+ parm->parm.capture.timeperframe.numerator;
+
+ mutex_lock(&pdev->udevlock);
+ if (!pdev->udev) {
+ ret = -ENODEV;
+ goto leave;
+ }
+
+ if (pdev->iso_init) {
+ ret = -EBUSY;
+ goto leave;
+ }
+
+ ret = pwc_set_video_mode(pdev, pdev->width, pdev->height, pdev->pixfmt,
+ fps, &compression, 0);
+
+ pwc_g_parm(file, fh, parm);
+
+leave:
+ mutex_unlock(&pdev->udevlock);
+ return ret;
+}
+
static int pwc_log_status(struct file *file, void *priv)
{
struct pwc_device *pdev = video_drvdata(file);
@@ -1120,4 +1172,6 @@ const struct v4l2_ioctl_ops pwc_ioctl_ops = {
.vidioc_log_status = pwc_log_status,
.vidioc_enum_framesizes = pwc_enum_framesizes,
.vidioc_enum_frameintervals = pwc_enum_frameintervals,
+ .vidioc_g_parm = pwc_g_parm,
+ .vidioc_s_parm = pwc_s_parm,
};