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path: root/drivers/media/video/gspca/gspca.c
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Diffstat (limited to 'drivers/media/video/gspca/gspca.c')
-rw-r--r--drivers/media/video/gspca/gspca.c69
1 files changed, 56 insertions, 13 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 4076f8e5a6fc..bd6214d4ab3b 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -304,7 +304,6 @@ void gspca_frame_add(struct gspca_dev *gspca_dev,
j = gspca_dev->fr_queue[i];
gspca_dev->cur_frame = &gspca_dev->frame[j];
}
- return;
}
EXPORT_SYMBOL(gspca_frame_add);
@@ -321,7 +320,7 @@ static int gspca_is_compressed(__u32 format)
return 0;
}
-static void *rvmalloc(unsigned long size)
+static void *rvmalloc(long size)
{
void *mem;
unsigned long adr;
@@ -329,7 +328,7 @@ static void *rvmalloc(unsigned long size)
mem = vmalloc_32(size);
if (mem != NULL) {
adr = (unsigned long) mem;
- while ((long) size > 0) {
+ while (size > 0) {
SetPageReserved(vmalloc_to_page((void *) adr));
adr += PAGE_SIZE;
size -= PAGE_SIZE;
@@ -768,6 +767,7 @@ static int vidioc_g_register(struct file *file, void *priv,
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = gspca_dev->sd_desc->get_register(gspca_dev, reg);
else
@@ -791,6 +791,7 @@ static int vidioc_s_register(struct file *file, void *priv,
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = gspca_dev->sd_desc->set_register(gspca_dev, reg);
else
@@ -812,6 +813,7 @@ static int vidioc_g_chip_ident(struct file *file, void *priv,
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = gspca_dev->sd_desc->get_chip_ident(gspca_dev, chip);
else
@@ -983,11 +985,40 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
return -EINVAL;
}
+static int vidioc_enum_frameintervals(struct file *filp, void *priv,
+ struct v4l2_frmivalenum *fival)
+{
+ struct gspca_dev *gspca_dev = priv;
+ int mode = wxh_to_mode(gspca_dev, fival->width, fival->height);
+ __u32 i;
+
+ if (gspca_dev->cam.mode_framerates == NULL ||
+ gspca_dev->cam.mode_framerates[mode].nrates == 0)
+ return -EINVAL;
+
+ if (fival->pixel_format !=
+ gspca_dev->cam.cam_mode[mode].pixelformat)
+ return -EINVAL;
+
+ for (i = 0; i < gspca_dev->cam.mode_framerates[mode].nrates; i++) {
+ if (fival->index == i) {
+ fival->type = V4L2_FRMSIZE_TYPE_DISCRETE;
+ fival->discrete.numerator = 1;
+ fival->discrete.denominator =
+ gspca_dev->cam.mode_framerates[mode].rates[i];
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
static void gspca_release(struct video_device *vfd)
{
struct gspca_dev *gspca_dev = container_of(vfd, struct gspca_dev, vdev);
- PDEBUG(D_PROBE, "/dev/video%d released", gspca_dev->vdev.num);
+ PDEBUG(D_PROBE, "%s released",
+ video_device_node_name(&gspca_dev->vdev));
kfree(gspca_dev->usb_buf);
kfree(gspca_dev);
@@ -1053,6 +1084,7 @@ static int dev_close(struct file *file)
if (gspca_dev->capt_file == file) {
if (gspca_dev->streaming) {
mutex_lock(&gspca_dev->usb_lock);
+ gspca_dev->usb_err = 0;
gspca_stream_off(gspca_dev);
mutex_unlock(&gspca_dev->usb_lock);
}
@@ -1143,12 +1175,14 @@ static int vidioc_queryctrl(struct file *file, void *priv,
continue;
ctrls = &gspca_dev->sd_desc->ctrls[i];
}
+ if (ctrls == NULL)
+ return -EINVAL;
} else {
ctrls = get_ctrl(gspca_dev, id);
+ if (ctrls == NULL)
+ return -EINVAL;
i = ctrls - gspca_dev->sd_desc->ctrls;
}
- if (ctrls == NULL)
- return -EINVAL;
memcpy(q_ctrl, ctrls, sizeof *q_ctrl);
if (gspca_dev->ctrl_inac & (1 << i))
q_ctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
@@ -1172,6 +1206,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
PDEBUG(D_CONF, "set ctrl [%08x] = %d", ctrl->id, ctrl->value);
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = ctrls->set(gspca_dev, ctrl->value);
else
@@ -1193,6 +1228,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = ctrls->get(gspca_dev, &ctrl->value);
else
@@ -1307,6 +1343,7 @@ static int vidioc_reqbufs(struct file *file, void *priv,
/* stop streaming */
if (gspca_dev->streaming) {
mutex_lock(&gspca_dev->usb_lock);
+ gspca_dev->usb_err = 0;
gspca_stream_off(gspca_dev);
mutex_unlock(&gspca_dev->usb_lock);
}
@@ -1398,6 +1435,7 @@ static int vidioc_streamoff(struct file *file, void *priv,
ret = -ERESTARTSYS;
goto out;
}
+ gspca_dev->usb_err = 0;
gspca_stream_off(gspca_dev);
mutex_unlock(&gspca_dev->usb_lock);
@@ -1423,6 +1461,7 @@ static int vidioc_g_jpegcomp(struct file *file, void *priv,
return -EINVAL;
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = gspca_dev->sd_desc->get_jcomp(gspca_dev, jpegcomp);
else
@@ -1441,6 +1480,7 @@ static int vidioc_s_jpegcomp(struct file *file, void *priv,
return -EINVAL;
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = gspca_dev->sd_desc->set_jcomp(gspca_dev, jpegcomp);
else
@@ -1461,6 +1501,7 @@ static int vidioc_g_parm(struct file *filp, void *priv,
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = gspca_dev->sd_desc->get_streamparm(gspca_dev,
parm);
@@ -1490,6 +1531,7 @@ static int vidioc_s_parm(struct file *filp, void *priv,
if (mutex_lock_interruptible(&gspca_dev->usb_lock))
return -ERESTARTSYS;
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
ret = gspca_dev->sd_desc->set_streamparm(gspca_dev,
parm);
@@ -1613,7 +1655,7 @@ static int dev_mmap(struct file *file, struct vm_area_struct *vma)
size -= PAGE_SIZE;
}
- vma->vm_ops = (struct vm_operations_struct *) &gspca_vm_ops;
+ vma->vm_ops = &gspca_vm_ops;
vma->vm_private_data = frame;
gspca_vm_open(vma);
ret = 0;
@@ -1661,6 +1703,7 @@ static int frame_wait(struct gspca_dev *gspca_dev,
if (gspca_dev->sd_desc->dq_callback) {
mutex_lock(&gspca_dev->usb_lock);
+ gspca_dev->usb_err = 0;
if (gspca_dev->present)
gspca_dev->sd_desc->dq_callback(gspca_dev);
mutex_unlock(&gspca_dev->usb_lock);
@@ -1772,6 +1815,8 @@ static int vidioc_qbuf(struct file *file, void *priv,
/* put the buffer in the 'queued' queue */
i = gspca_dev->fr_q;
gspca_dev->fr_queue[i] = index;
+ if (gspca_dev->fr_i == i)
+ gspca_dev->cur_frame = frame;
gspca_dev->fr_q = (i + 1) % gspca_dev->nframes;
PDEBUG(D_FRAM, "qbuf q:%d i:%d o:%d",
gspca_dev->fr_q,
@@ -1973,6 +2018,7 @@ static const struct v4l2_ioctl_ops dev_ioctl_ops = {
.vidioc_g_parm = vidioc_g_parm,
.vidioc_s_parm = vidioc_s_parm,
.vidioc_enum_framesizes = vidioc_enum_framesizes,
+ .vidioc_enum_frameintervals = vidioc_enum_frameintervals,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
@@ -1988,7 +2034,6 @@ static struct video_device gspca_template = {
.fops = &dev_fops,
.ioctl_ops = &dev_ioctl_ops,
.release = gspca_release,
- .minor = -1,
};
/*
@@ -2049,9 +2094,6 @@ int gspca_dev_probe(struct usb_interface *intf,
ret = sd_desc->init(gspca_dev);
if (ret < 0)
goto out;
- ret = gspca_set_alt0(gspca_dev);
- if (ret < 0)
- goto out;
gspca_set_default_mode(gspca_dev);
mutex_init(&gspca_dev->usb_lock);
@@ -2073,7 +2115,7 @@ int gspca_dev_probe(struct usb_interface *intf,
}
usb_set_intfdata(intf, gspca_dev);
- PDEBUG(D_PROBE, "/dev/video%d created", gspca_dev->vdev.num);
+ PDEBUG(D_PROBE, "%s created", video_device_node_name(&gspca_dev->vdev));
return 0;
out:
kfree(gspca_dev->usb_buf);
@@ -2092,7 +2134,8 @@ void gspca_disconnect(struct usb_interface *intf)
{
struct gspca_dev *gspca_dev = usb_get_intfdata(intf);
- PDEBUG(D_PROBE, "/dev/video%d disconnect", gspca_dev->vdev.num);
+ PDEBUG(D_PROBE, "%s disconnect",
+ video_device_node_name(&gspca_dev->vdev));
mutex_lock(&gspca_dev->usb_lock);
gspca_dev->present = 0;