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Diffstat (limited to 'linux/drivers/media/video/uvc')
-rw-r--r--linux/drivers/media/video/uvc/uvc_driver.c15
-rw-r--r--linux/drivers/media/video/uvc/uvc_v4l2.c13
2 files changed, 17 insertions, 11 deletions
diff --git a/linux/drivers/media/video/uvc/uvc_driver.c b/linux/drivers/media/video/uvc/uvc_driver.c
index 7e102034d..4a2d09988 100644
--- a/linux/drivers/media/video/uvc/uvc_driver.c
+++ b/linux/drivers/media/video/uvc/uvc_driver.c
@@ -1663,7 +1663,7 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message)
return uvc_video_suspend(&dev->video);
}
-static int uvc_resume(struct usb_interface *intf)
+static int __uvc_resume(struct usb_interface *intf, int reset)
{
struct uvc_device *dev = usb_get_intfdata(intf);
int ret;
@@ -1672,7 +1672,7 @@ static int uvc_resume(struct usb_interface *intf)
intf->cur_altsetting->desc.bInterfaceNumber);
if (intf->cur_altsetting->desc.bInterfaceSubClass == SC_VIDEOCONTROL) {
- if ((ret = uvc_ctrl_resume_device(dev)) < 0)
+ if (reset && (ret = uvc_ctrl_resume_device(dev)) < 0)
return ret;
return uvc_status_resume(dev);
@@ -1687,6 +1687,16 @@ static int uvc_resume(struct usb_interface *intf)
return uvc_video_resume(&dev->video);
}
+static int uvc_resume(struct usb_interface *intf)
+{
+ return __uvc_resume(intf, 0);
+}
+
+static int uvc_reset_resume(struct usb_interface *intf)
+{
+ return __uvc_resume(intf, 1);
+}
+
/* ------------------------------------------------------------------------
* Driver initialization and cleanup
*/
@@ -1952,6 +1962,7 @@ struct uvc_driver uvc_driver = {
.disconnect = uvc_disconnect,
.suspend = uvc_suspend,
.resume = uvc_resume,
+ .reset_resume = uvc_reset_resume,
.id_table = uvc_ids,
.supports_autosuspend = 1,
},
diff --git a/linux/drivers/media/video/uvc/uvc_v4l2.c b/linux/drivers/media/video/uvc/uvc_v4l2.c
index d7bd71be4..d4758c8e1 100644
--- a/linux/drivers/media/video/uvc/uvc_v4l2.c
+++ b/linux/drivers/media/video/uvc/uvc_v4l2.c
@@ -400,15 +400,13 @@ static int uvc_has_privileges(struct uvc_fh *handle)
static int uvc_v4l2_open(struct inode *inode, struct file *file)
{
- struct video_device *vdev;
struct uvc_video_device *video;
struct uvc_fh *handle;
int ret = 0;
uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_open\n");
mutex_lock(&uvc_driver.open_mutex);
- vdev = video_devdata(file);
- video = video_get_drvdata(vdev);
+ video = video_drvdata(file);
if (video->dev->state & UVC_DEV_DISCONNECTED) {
ret = -ENODEV;
@@ -440,8 +438,7 @@ done:
static int uvc_v4l2_release(struct inode *inode, struct file *file)
{
- struct video_device *vdev = video_devdata(file);
- struct uvc_video_device *video = video_get_drvdata(vdev);
+ struct uvc_video_device *video = video_drvdata(file);
struct uvc_fh *handle = (struct uvc_fh *)file->private_data;
uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_release\n");
@@ -1031,8 +1028,7 @@ static struct vm_operations_struct uvc_vm_ops = {
static int uvc_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
{
- struct video_device *vdev = video_devdata(file);
- struct uvc_video_device *video = video_get_drvdata(vdev);
+ struct uvc_video_device *video = video_drvdata(file);
struct uvc_buffer *uninitialized_var(buffer);
struct page *page;
unsigned long addr, start, size;
@@ -1085,8 +1081,7 @@ done:
static unsigned int uvc_v4l2_poll(struct file *file, poll_table *wait)
{
- struct video_device *vdev = video_devdata(file);
- struct uvc_video_device *video = video_get_drvdata(vdev);
+ struct uvc_video_device *video = video_drvdata(file);
uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_poll\n");