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V4L/DVB: gspca - vc032x: Force main register write at probe time (poxxxx) 

On laptops, the webcam sometimes disconnects when writing the first main
register (b300). This patch prevents the creation of a new /dev/video<n>
on streaming start.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine 2010-07-27 05:34:49 -03:00 committed by Mauro Carvalho Chehab
parent bb44f5682b
commit 3d217c8656
1 changed files with 1 additions and 1 deletions
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2
drivers/media/video/gspca/vc032x.c
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@ -3520,8 +3520,8 @@ static int sd_init(struct gspca_dev *gspca_dev)
if (gspca_dev->usb_buf[0] != 0) { if (gspca_dev->usb_buf[0] != 0) {
reg_w(gspca_dev, 0xa0, 0x26, 0xb300); reg_w(gspca_dev, 0xa0, 0x26, 0xb300);
reg_w(gspca_dev, 0xa0, 0x04, 0xb300); reg_w(gspca_dev, 0xa0, 0x04, 0xb300);
reg_w(gspca_dev, 0xa0, 0x00, 0xb300);
} }
reg_w(gspca_dev, 0xa0, 0x00, 0xb300);
} }
} }
return gspca_dev->usb_err; return gspca_dev->usb_err;