github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-09 07:03:37 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

camera:ov5642 read register after write for dc vsync error

Browse Source
This commit is contained in:
ddl 2011-01-03 22:25:40 +08:00
parent 656c7bf8cb
commit 298510f0bd
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/media/video/ov5642.c
View File

@ -2254,7 +2254,7 @@ static struct reginfo sensor_sxga[] =
/* 800X600 SVGA*/
static struct reginfo sensor_svga[] =
{
#if 0
#if 1
{0x3000,0xf8},
{0x3001,0x48},
{0x3002,0x5c},
@ -3240,9 +3240,10 @@ static int sensor_read(struct i2c_client *client, u16 reg, u8 *val)
/* write a array of registers */
static int sensor_write_array(struct i2c_client *client, struct reginfo *regarray)
{
int err, cnt;
int err = 0, cnt;
int i = 0;
struct sensor *sensor = to_sensor(client);
char val00;
cnt = 0;
while (regarray[i].reg != 0)
@ -3267,7 +3268,13 @@ static int sensor_write_array(struct i2c_client *client, struct reginfo *regarra
err = -EPERM;
goto sensor_af_init_end;
}
} else {
sensor_read(client, regarray[i].reg, &val00);
if (val00 != regarray[i].val)
SENSOR_TR("%s Reg:0x%x write(0x%x, 0x%x) fail\n",SENSOR_NAME_STRING(), regarray[i].reg, regarray[i].val, val00);
}
i++;
}
@ -3821,8 +3828,11 @@ static int sensor_deactivate(struct v4l2_subdev *sd)
{
struct i2c_client *client = sd->priv;
struct sensor *sensor = to_sensor(client);
int ret;
SENSOR_DG("\n%s..%s enter \n",SENSOR_NAME_STRING(),__FUNCTION__);
ret = sensor_write(client, 0x3008, 0x80);
SENSOR_DG("\n%s..%s enter, reset ret:0x%x \n",SENSOR_NAME_STRING(),__FUNCTION__,ret);
msleep(5);
/* ddl@rock-chips.com : all sensor output pin must change to input for other sensor */
sensor_write(client, 0x3017, 0x00); // FREX,VSYNC,HREF,PCLK,D9-D6