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V4L/DVB (10428): gspca - sonixj: Specific gamma tables per sensor. 

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 2009-02-01 14:20:07 -03:00 committed by Mauro Carvalho Chehab
parent 5e31dc8dda
commit b083b92f93
1 changed files with 26 additions and 3 deletions
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29
drivers/media/video/gspca/sonixj.c
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@ -379,11 +379,21 @@ static const u8 *sn_tb[] = {
sn_sp80708
};
/* default gamma table */
static const u8 gamma_def[17] = {
0x00, 0x2d, 0x46, 0x5a, 0x6c, 0x7c, 0x8b, 0x99,
0xa6, 0xb2, 0xbf, 0xca, 0xd5, 0xe0, 0xeb, 0xf5, 0xff
};
/* gamma for sensors HV7131R and MT9V111 */
static const u8 gamma_spec_1[17] = {
0x08, 0x3a, 0x52, 0x65, 0x75, 0x83, 0x91, 0x9d,
0xa9, 0xb4, 0xbe, 0xc8, 0xd2, 0xdb, 0xe4, 0xed, 0xf5
};
/* gamma for sensor SP80708 */
static const u8 gamma_spec_2[17] = {
0x0a, 0x2d, 0x4e, 0x68, 0x7d, 0x8f, 0x9f, 0xab,
0xb7, 0xc2, 0xcc, 0xd3, 0xd8, 0xde, 0xe2, 0xe5, 0xe6
};
/* color matrix and offsets */
static const u8 reg84[] = {
@ -1514,14 +1524,27 @@ static void setgamma(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
int i;
u8 gamma[17];
const u8 *gamma_base;
static const u8 delta[17] = {
0x00, 0x14, 0x1c, 0x1c, 0x1c, 0x1c, 0x1b, 0x1a,
0x18, 0x13, 0x10, 0x0e, 0x08, 0x07, 0x04, 0x02, 0x00
};
switch (sd->sensor) {
case SENSOR_HV7131R:
case SENSOR_MT9V111:
gamma_base = gamma_spec_1;
break;
case SENSOR_SP80708:
gamma_base = gamma_spec_2;
break;
default:
gamma_base = gamma_def;
break;
}
for (i = 0; i < sizeof gamma; i++)
gamma[i] = gamma_def[i]
gamma[i] = gamma_base[i]
+ delta[i] * (sd->gamma - GAMMA_DEF) / 32;
reg_w(gspca_dev, 0x20, gamma, sizeof gamma);
}
@ -1608,6 +1631,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
reg_w1(gspca_dev, 0x07, sn9c1xx[7]); /* green */
reg_w1(gspca_dev, 0x06, sn9c1xx[6]); /* blue */
reg_w1(gspca_dev, 0x14, sn9c1xx[0x14]);
setgamma(gspca_dev);
for (i = 0; i < 8; i++)
@ -1702,7 +1726,6 @@ static int sd_start(struct gspca_dev *gspca_dev)
sp80708_InitSensor(gspca_dev);
if (mode) {
/*?? reg1 = 0x04; * 320 clk 48Mhz */
;
} else {
reg1 = 0x46; /* 640 clk 48Mz */
reg17 = 0xa2;