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path: root/drivers/media/video/gspca/sq905.c
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Diffstat (limited to 'drivers/media/video/gspca/sq905.c')
-rw-r--r--drivers/media/video/gspca/sq905.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/media/video/gspca/sq905.c b/drivers/media/video/gspca/sq905.c
index 2fe3c29bd6b7..04f54654a026 100644
--- a/drivers/media/video/gspca/sq905.c
+++ b/drivers/media/video/gspca/sq905.c
@@ -232,7 +232,11 @@ static void sq905_dostream(struct work_struct *work)
frame_sz = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].sizeimage
+ FRAME_HEADER_LEN;
- while (gspca_dev->present && gspca_dev->streaming) {
+ while (gspca_dev->dev && gspca_dev->streaming) {
+#ifdef CONFIG_PM
+ if (gspca_dev->frozen)
+ break;
+#endif
/* request some data and then read it until we have
* a complete frame. */
bytes_left = frame_sz;
@@ -242,7 +246,7 @@ static void sq905_dostream(struct work_struct *work)
we must finish reading an entire frame, otherwise the
next time we stream we start reading in the middle of a
frame. */
- while (bytes_left > 0 && gspca_dev->present) {
+ while (bytes_left > 0 && gspca_dev->dev) {
data_len = bytes_left > SQ905_MAX_TRANSFER ?
SQ905_MAX_TRANSFER : bytes_left;
ret = sq905_read_data(gspca_dev, buffer, data_len, 1);
@@ -274,7 +278,7 @@ static void sq905_dostream(struct work_struct *work)
gspca_frame_add(gspca_dev, LAST_PACKET,
NULL, 0);
}
- if (gspca_dev->present) {
+ if (gspca_dev->dev) {
/* acknowledge the frame */
mutex_lock(&gspca_dev->usb_lock);
ret = sq905_ack_frame(gspca_dev);
@@ -284,7 +288,7 @@ static void sq905_dostream(struct work_struct *work)
}
}
quit_stream:
- if (gspca_dev->present) {
+ if (gspca_dev->dev) {
mutex_lock(&gspca_dev->usb_lock);
sq905_command(gspca_dev, SQ905_CLEAR);
mutex_unlock(&gspca_dev->usb_lock);
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