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V4L/DVB (11211): gspca - vc032x: Simplify the i2c write function.

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Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-Francois Moine 2009-03-25 07:04:11 -03:00 committed by Mauro Carvalho Chehab
parent db786a3fde
commit 33f5b07e30
1 changed files with 5 additions and 19 deletions
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24
drivers/media/video/gspca/vc032x.c
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@ -2400,33 +2400,19 @@ static int vc032x_probe_sensor(struct gspca_dev *gspca_dev)
}
static void i2c_write(struct gspca_dev *gspca_dev,
__u8 reg, const __u8 *val, __u8 size)
u8 reg, const u8 *val,
u8 size) /* 1 or 2 */
{
struct usb_device *dev = gspca_dev->dev;
int retry;
#ifdef GSPCA_DEBUG
if (size > 3 || size < 1)
return;
#endif
reg_r(gspca_dev, 0xa1, 0xb33f, 1);
/*fixme:should check if (!(gspca_dev->usb_buf[0] & 0x02)) error*/
reg_w(dev, 0xa0, size, 0xb334);
reg_w(dev, 0xa0, reg, 0xb33a);
switch (size) {
case 1:
reg_w(dev, 0xa0, val[0], 0xb336);
break;
case 2:
reg_w(dev, 0xa0, val[0], 0xb336);
reg_w(dev, 0xa0, val[0], 0xb336);
if (size > 1)
reg_w(dev, 0xa0, val[1], 0xb337);
break;
default:
/* case 3: */
reg_w(dev, 0xa0, val[0], 0xb336);
reg_w(dev, 0xa0, val[1], 0xb337);
reg_w(dev, 0xa0, val[2], 0xb338);
break;
}
reg_w(dev, 0xa0, 0x01, 0xb339);
retry = 4;
do {