Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 142486
b: refs/heads/master
c: 6b05550
h: refs/heads/master
v: v3
  • Loading branch information
Erik Andr?n authored and Mauro Carvalho Chehab committed Apr 7, 2009
1 parent 32b9422 commit 9f6ff60
Show file tree
Hide file tree
Showing 2 changed files with 18 additions and 6 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7136e705d8db46f22657523ee108be35c59ce3e9
refs/heads/master: 6b0555008e03209b1590054960b4a3506301071c
22 changes: 17 additions & 5 deletions trunk/drivers/media/video/gspca/m5602/m5602_ov9650.c
Original file line number Diff line number Diff line change
Expand Up @@ -218,6 +218,7 @@ static void ov9650_dump_registers(struct sd *sd);

int ov9650_probe(struct sd *sd)
{
int err = 0;
u8 prod_id = 0, ver_id = 0, i;

if (force_sensor) {
Expand All @@ -233,15 +234,18 @@ int ov9650_probe(struct sd *sd)
info("Probing for an ov9650 sensor");

/* Run the pre-init to actually probe the unit */
for (i = 0; i < ARRAY_SIZE(preinit_ov9650); i++) {
for (i = 0; i < ARRAY_SIZE(preinit_ov9650) && !err; i++) {
u8 data = preinit_ov9650[i][2];
if (preinit_ov9650[i][0] == SENSOR)
m5602_write_sensor(sd,
err = m5602_write_sensor(sd,
preinit_ov9650[i][1], &data, 1);
else
m5602_write_bridge(sd, preinit_ov9650[i][1], data);
err = m5602_write_bridge(sd, preinit_ov9650[i][1], data);
}

if (err < 0)
return err;

if (m5602_read_sensor(sd, OV9650_PID, &prod_id, 1))
return -ENODEV;

Expand Down Expand Up @@ -458,7 +462,10 @@ int ov9650_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
u8 i2c_data;
struct sd *sd = (struct sd *) gspca_dev;

m5602_read_sensor(sd, OV9650_VREF, &i2c_data, 1);
err = m5602_read_sensor(sd, OV9650_VREF, &i2c_data, 1);
if (err < 0)
return err;

*val = (i2c_data & 0x03) << 8;

err = m5602_read_sensor(sd, OV9650_GAIN, &i2c_data, 1);
Expand All @@ -476,11 +483,16 @@ int ov9650_set_gain(struct gspca_dev *gspca_dev, __s32 val)
/* The 2 MSB */
/* Read the OV9650_VREF register first to avoid
corrupting the VREF high and low bits */
m5602_read_sensor(sd, OV9650_VREF, &i2c_data, 1);
err = m5602_read_sensor(sd, OV9650_VREF, &i2c_data, 1);
if (err < 0)
return err;

/* Mask away all uninteresting bits */
i2c_data = ((val & 0x0300) >> 2) |
(i2c_data & 0x3F);
err = m5602_write_sensor(sd, OV9650_VREF, &i2c_data, 1);
if (err < 0)
return err;

/* The 8 LSBs */
i2c_data = val & 0xff;
Expand Down

0 comments on commit 9f6ff60

Please sign in to comment.