mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-14 12:37:32 +00:00
Code Issues Releases Wiki Activity

V4L/DVB (8367): gspca: Light frequency filter / exposure / clean-up for sn9c103 ov7630.

Browse source 
Signed-off-by: Andoni Zubimendi <andoni.zubimendi@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Andoni Zubimendi 2008-07-17 05:35:52 -03:00 committed by Mauro Carvalho Chehab
parent a975a5279e
commit d87616f5a5
1 changed files with 19 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
drivers/media/video/gspca/sonixb.c
View file

@ -291,22 +291,9 @@ static const __u8 ov7630_sensor_init[][8] = {
{0xa0, 0x21, 0x76, 0x02, 0xbd, 0x06, 0xf6, 0x16},
{0xa0, 0x21, 0x00, 0x10, 0xbd, 0x06, 0xf6, 0x15}, /* gain */
};
static const __u8 ov7630_sensor_init_3[][5][8] = {
{ {0xa0, 0x21, 0x10, 0x36, 0xbd, 0x06, 0xf6, 0x16}, /* exposure */
{0xa0, 0x21, 0x76, 0x03, 0xbd, 0x06, 0xf6, 0x16},
{0xa0, 0x21, 0x11, 0x01, 0xbd, 0x06, 0xf6, 0x16},
{0xa0, 0x21, 0x00, 0x10, 0xbd, 0x06, 0xf6, 0x15}, /* gain */
{0xb0, 0x21, 0x2a, 0xa0, 0x1c, 0x06, 0xf6, 0x1d},
},
{ {0xa0, 0x21, 0x10, 0x83, 0xbd, 0x06, 0xf6, 0x16}, /* exposure */
{0xa0, 0x21, 0x76, 0x00, 0xbd, 0x06, 0xf6, 0x16},
{0xa0, 0x21, 0x11, 0x00, 0xbd, 0x06, 0xf6, 0x16},
{0xa0, 0x21, 0x00, 0x10, 0xbd, 0x06, 0xf6, 0x15}, /* gain */
/* {0xb0, 0x21, 0x2a, 0xc0, 0x3c, 0x06, 0xf6, 0x1d},
* a0 1c,a0 1f,c0 3c frame rate ?line interval from ov6630 */
/* {0xb0, 0x21, 0x2a, 0xa0, 0x1f, 0x06, 0xf6, 0x1d}, * from win */
{0xb0, 0x21, 0x2a, 0x80, 0x60, 0x06, 0xf6, 0x1d},
}
static const __u8 ov7630_sensor_init_3[][8] = {
{0xa0, 0x21, 0x2a, 0xa0, 0x00, 0x00, 0x00, 0x10},
{0xa0, 0x21, 0x2a, 0x80, 0x00, 0x00, 0x00, 0x10},
};
static const __u8 initPas106[] = {
@ -693,6 +680,15 @@ static void setexposure(struct gspca_dev *gspca_dev)
i2c[1] = sd->sensor_addr;
i2c[3] = reg10;
i2c[4] |= reg11 - 1;
if (sd->sensor == SENSOR_OV7630_3) {
__u8 reg76 = reg10 & 0x03;
__u8 i2c_reg76[] = {0xa0, 0x21, 0x76, 0x00,
0x00, 0x00, 0x00, 0x10};
reg10 >>= 2;
i2c_reg76[3] = reg76;
if (i2c_w(gspca_dev, i2c_reg76) < 0)
PDEBUG(D_ERR, "i2c error exposure");
}
if (i2c_w(gspca_dev, i2c) < 0)
PDEBUG(D_ERR, "i2c error exposure");
break;
@ -705,12 +701,13 @@ static void setfreq(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
switch (sd->sensor) {
case SENSOR_OV6650: {
case SENSOR_OV6650:
case SENSOR_OV7630_3: {
/* Framerate adjust register for artificial light 50 hz flicker
compensation, identical to ov6630 0x2b register, see ov6630
datasheet.
0x4f -> (30 fps -> 25 fps), 0x00 -> no adjustment */
__u8 i2c[] = {0xa0, 0x60, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10};
__u8 i2c[] = {0xa0, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10};
switch (sd->freq) {
default:
/* case 0: * no filter*/
@ -718,9 +715,10 @@ static void setfreq(struct gspca_dev *gspca_dev)
i2c[3] = 0;
break;
case 1: /* 50 hz */
i2c[3] = 0x4f;
i2c[3] = (sd->sensor == SENSOR_OV6650)? 0x4f:0x8a;
break;
}
i2c[1] = sd->sensor_addr;
if (i2c_w(gspca_dev, i2c) < 0)
PDEBUG(D_ERR, "i2c error setfreq");
break;
@ -804,7 +802,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->sensor_addr = 0x21;
sd->fr_h_sz = 18; /* size of frame header */
sd->sensor_has_gain = 1;
sd->sd_desc.nctrls = 4;
sd->sd_desc.nctrls = 5;
sd->sd_desc.dq_callback = do_autogain;
sd->autogain = 0;
break;
@ -982,8 +980,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
i2c_w_vector(gspca_dev, ov7630_sensor_init_com,
sizeof ov7630_sensor_init_com);
msleep(200);
i2c_w_vector(gspca_dev, ov7630_sensor_init_3[mode],
sizeof ov7630_sensor_init_3[mode]);
i2c_w(gspca_dev, ov7630_sensor_init_3[mode]);
break;
case SENSOR_PAS106:
pas106_i2cinit(gspca_dev);