From 5f7f65f13c5027574640590d220b5a69a1057e57 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Sun, 1 Jan 2012 16:35:01 -0300
Subject: [PATCH] --- yaml --- r: 285685 b: refs/heads/master c:
 eb3fb7c9633f79077c7c650efe0edec1840926da h: refs/heads/master i:   285683:
 90b9a1489fded22048dc9cd3f7fadb9868ea3c39 v: v3

---
 [refs]                                    | 2 +-
 trunk/drivers/media/video/gspca/gspca.c   | 3 ++-
 trunk/drivers/media/video/gspca/gspca.h   | 3 +++
 trunk/drivers/media/video/gspca/nw80x.c   | 1 +
 trunk/drivers/media/video/gspca/sn9c20x.c | 1 +
 trunk/drivers/media/video/gspca/spca561.c | 1 +
 6 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 663c2d20bfb9..f072d5f2ac8c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 51e23be28418cf836287615cf78b237af13ea1b3
+refs/heads/master: eb3fb7c9633f79077c7c650efe0edec1840926da
diff --git a/trunk/drivers/media/video/gspca/gspca.c b/trunk/drivers/media/video/gspca/gspca.c
index a8643bcd2ecb..b044c8a10a1d 100644
--- a/trunk/drivers/media/video/gspca/gspca.c
+++ b/trunk/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/trunk/drivers/media/video/gspca/gspca.h b/trunk/drivers/media/video/gspca/gspca.h
index 5f1f46c8e373..589009f4496f 100644
--- a/trunk/drivers/media/video/gspca/gspca.h
+++ b/trunk/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/trunk/drivers/media/video/gspca/nw80x.c b/trunk/drivers/media/video/gspca/nw80x.c
index 3830054a683e..09f7db8ceffd 100644
--- a/trunk/drivers/media/video/gspca/nw80x.c
+++ b/trunk/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/trunk/drivers/media/video/gspca/sn9c20x.c b/trunk/drivers/media/video/gspca/sn9c20x.c
index 86e07a139a16..7350718c613a 100644
--- a/trunk/drivers/media/video/gspca/sn9c20x.c
+++ b/trunk/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/trunk/drivers/media/video/gspca/spca561.c b/trunk/drivers/media/video/gspca/spca561.c
index 61743d425584..8a6e258abf30 100644
--- a/trunk/drivers/media/video/gspca/spca561.c
+++ b/trunk/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) {