V4L/DVB (9075): gspca: Bad check of returned status in i2c_read() spca561.

This makes auto gain functional on 04fc:0561.

Signed-off-by: Shane <gnome42@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Shane 2008-09-14 04:17:46 -03:00 committed by Mauro Carvalho Chehab
parent fe6c700ff3
commit 05d3c1e2fb

View File

@ -225,7 +225,7 @@ static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
reg_w_val(gspca_dev->dev, 0x8802, (mode | 0x01));
do {
reg_r(gspca_dev, 0x8803, 1);
if (!gspca_dev->usb_buf)
if (!gspca_dev->usb_buf[0])
break;
} while (--retry);
if (retry == 0)