[media] gspca - spca1528: Increase the status waiting time

Some webcams ask for a greater time to start.
This patch increases the delay before timeout error on capture start.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/gspca/spca1528.c b/drivers/media/video/gspca/spca1528.c
index 4131be5..565c2f1 100644 (file)
--- a/drivers/media/video/gspca/spca1528.c
+++ b/drivers/media/video/gspca/spca1528.c
@@ -226,14 +226,16 @@ static void reg_wb(struct gspca_dev *gspca_dev,
 
 static void wait_status_0(struct gspca_dev *gspca_dev)
 {
-       int i;
+       int i, w;
 
-       i = 20;
+       i = 16;
+       w = 0;
        do {
                reg_r(gspca_dev, 0x21, 0x0000, 1);
                if (gspca_dev->usb_buf[0] == 0)
                        return;
-               msleep(30);
+               w += 15;
+               msleep(w);
        } while (--i > 0);
        PDEBUG(D_ERR, "wait_status_0 timeout");
        gspca_dev->usb_err = -ETIME;