diff options
| -rw-r--r-- | drivers/media/video/gspca/gspca.c | 3 | ||||
| -rw-r--r-- | drivers/media/video/gspca/gspca.h | 3 | ||||
| -rw-r--r-- | drivers/media/video/gspca/nw80x.c | 1 | ||||
| -rw-r--r-- | drivers/media/video/gspca/sn9c20x.c | 1 | ||||
| -rw-r--r-- | drivers/media/video/gspca/spca561.c | 1 |
5 files changed, 8 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index a8643bcd2ecb..b044c8a10a1d 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -638,7 +638,8 @@ static u32 which_bandwidth(struct gspca_dev *gspca_dev) bandwidth = gspca_dev->cam.cam_mode[i].sizeimage; /* if the image is compressed, estimate its mean size */ - if (bandwidth < gspca_dev->cam.cam_mode[i].width * + if (!gspca_dev->cam.needs_full_bandwidth && + bandwidth < gspca_dev->cam.cam_mode[i].width * gspca_dev->cam.cam_mode[i].height) bandwidth = bandwidth * 3 / 8; /* 0.375 */ diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index 5f1f46c8e373..589009f4496f 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -69,6 +69,9 @@ struct cam { u8 bulk; /* image transfer by 0:isoc / 1:bulk */ u8 npkt; /* number of packets in an ISOC message * 0 is the default value: 32 packets */ + u8 needs_full_bandwidth;/* Set this flag to notify the bandwidth calc. + * code that the cam fills all image buffers to + * the max, even when using compression. */ }; struct gspca_dev; diff --git a/drivers/media/video/gspca/nw80x.c b/drivers/media/video/gspca/nw80x.c index 3830054a683e..09f7db8ceffd 100644 --- a/drivers/media/video/gspca/nw80x.c +++ b/drivers/media/video/gspca/nw80x.c @@ -1764,6 +1764,7 @@ static int sd_config(struct gspca_dev *gspca_dev, webcam = 0; sd->webcam = webcam; gspca_dev->cam.ctrls = sd->ctrls; + gspca_dev->cam.needs_full_bandwidth = 1; sd->ag_cnt = -1; /* diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c index 86e07a139a16..7350718c613a 100644 --- a/drivers/media/video/gspca/sn9c20x.c +++ b/drivers/media/video/gspca/sn9c20x.c @@ -2048,6 +2048,7 @@ static int sd_config(struct gspca_dev *gspca_dev, struct cam *cam; cam = &gspca_dev->cam; + cam->needs_full_bandwidth = 1; sd->sensor = (id->driver_info >> 8) & 0xff; sd->i2c_addr = id->driver_info & 0xff; diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index 61743d425584..8a6e258abf30 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -451,6 +451,7 @@ static int sd_config(struct gspca_dev *gspca_dev, } cam = &gspca_dev->cam; + cam->needs_full_bandwidth = 1; sd->chip_revision = id->driver_info; if (sd->chip_revision == Rev012A) { |