V4L/DVB (13563): gspca - zc3xx: Bad sensor probe of the webcam 0ac8:305b.
- probe the webcam (probe sequence from ms-win trace)
- update tax5130c init sequences from ms-win newer driver
- update tas5130c sequences from ms-win trace
- add some comments in the probe code
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index 69e5dc4..1d525c4 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -5345,9 +5345,6 @@
{0xa0, 0x01, ZC3XX_R012_VIDEOCONTROLFUNC},
{0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING},
{0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC},
- {0xa0, 0x07, ZC3XX_R0A5_EXPOSUREGAIN},
- {0xa0, 0x02, ZC3XX_R0A6_EXPOSUREBLACKLVL},
-
{0xa0, 0x02, ZC3XX_R003_FRAMEWIDTHHIGH},
{0xa0, 0x80, ZC3XX_R004_FRAMEWIDTHLOW},
{0xa0, 0x01, ZC3XX_R005_FRAMEHEIGHTHIGH},
@@ -5364,27 +5361,27 @@
{0xa0, 0xf7, ZC3XX_R101_SENSORCORRECTION},
{0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE},
{0xa0, 0x06, ZC3XX_R189_AWBSTATUS},
- {0xa0, 0x95, ZC3XX_R18D_YTARGET},
+ {0xa0, 0x70, ZC3XX_R18D_YTARGET},
{0xa0, 0x50, ZC3XX_R1A8_DIGITALGAIN},
{0xa0, 0x00, 0x01ad},
{0xa0, 0x03, ZC3XX_R1C5_SHARPNESSMODE},
{0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05},
{0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE},
{0xa0, 0x08, ZC3XX_R301_EEPROMACCESS},
+ {0xa0, 0x07, ZC3XX_R0A5_EXPOSUREGAIN},
+ {0xa0, 0x02, ZC3XX_R0A6_EXPOSUREBLACKLVL},
{}
};
static const struct usb_action tas5130cxx_Initial[] = { /* 640x480 */
{0xa0, 0x01, ZC3XX_R000_SYSTEMCONTROL},
{0xa0, 0x40, ZC3XX_R002_CLOCKSELECT},
- {0xa0, 0x03, ZC3XX_R008_CLOCKSETTING},
+ {0xa0, 0x00, ZC3XX_R008_CLOCKSETTING},
{0xa0, 0x02, ZC3XX_R010_CMOSSENSORSELECT},
{0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING},
{0xa0, 0x00, ZC3XX_R001_SYSTEMOPERATING},
{0xa0, 0x01, ZC3XX_R012_VIDEOCONTROLFUNC},
{0xa0, 0x01, ZC3XX_R001_SYSTEMOPERATING},
{0xa0, 0x05, ZC3XX_R012_VIDEOCONTROLFUNC},
- {0xa0, 0x07, ZC3XX_R0A5_EXPOSUREGAIN},
- {0xa0, 0x02, ZC3XX_R0A6_EXPOSUREBLACKLVL},
{0xa0, 0x02, ZC3XX_R003_FRAMEWIDTHHIGH},
{0xa0, 0x80, ZC3XX_R004_FRAMEWIDTHLOW},
{0xa0, 0x01, ZC3XX_R005_FRAMEHEIGHTHIGH},
@@ -5400,13 +5397,15 @@
{0xa0, 0x37, ZC3XX_R101_SENSORCORRECTION},
{0xa0, 0x0d, ZC3XX_R100_OPERATIONMODE},
{0xa0, 0x06, ZC3XX_R189_AWBSTATUS},
- {0xa0, 0x95, ZC3XX_R18D_YTARGET},
+ {0xa0, 0x70, ZC3XX_R18D_YTARGET},
{0xa0, 0x50, ZC3XX_R1A8_DIGITALGAIN},
{0xa0, 0x00, 0x01ad},
{0xa0, 0x03, ZC3XX_R1C5_SHARPNESSMODE},
{0xa0, 0x13, ZC3XX_R1CB_SHARPNESS05},
{0xa0, 0x08, ZC3XX_R250_DEADPIXELSMODE},
{0xa0, 0x08, ZC3XX_R301_EEPROMACCESS},
+ {0xa0, 0x07, ZC3XX_R0A5_EXPOSUREGAIN},
+ {0xa0, 0x02, ZC3XX_R0A6_EXPOSUREBLACKLVL},
{}
};
static const struct usb_action tas5130cxx_50HZ[] = {
@@ -6424,11 +6423,11 @@
if (retword != 0)
return 0x0e; /* PAS202BCB */
- start_2wr_probe(dev, 0x02); /* ?? */
+ start_2wr_probe(dev, 0x02); /* TAS5130C */
i2c_write(gspca_dev, 0x01, 0xaa, 0x00);
retword = i2c_read(gspca_dev, 0x01);
if (retword != 0)
- return 0x02; /* ?? */
+ return 0x02; /* TAS5130C */
ov_check:
reg_r(gspca_dev, 0x0010); /* ?? */
reg_r(gspca_dev, 0x0010);
@@ -6505,6 +6504,8 @@
reg_r(gspca_dev, 0x0010);
/* value 0x4001 is meaningless */
if (retword != 0x4001) {
+ if ((retword & 0xff00) == 0x6400)
+ return 0x02; /* TAS5130C */
for (i = 0; i < ARRAY_SIZE(chipset_revision_sensor); i++) {
if (chipset_revision_sensor[i].revision == retword) {
sd->chip_revision = retword;
@@ -6515,7 +6516,7 @@
}
}
- reg_w(dev, 0x01, 0x0000); /* check ?? */
+ reg_w(dev, 0x01, 0x0000); /* check PB0330 */
reg_w(dev, 0x01, 0x0001);
reg_w(dev, 0xdd, 0x008b);
reg_w(dev, 0x0a, 0x0010);
@@ -6524,7 +6525,7 @@
retword = i2c_read(gspca_dev, 0x00);
if (retword != 0) {
PDEBUG(D_PROBE, "probe 3wr vga type 0a ?");
- return 0x0a; /* ?? */
+ return 0x0a; /* PB0330 */
}
reg_w(dev, 0x01, 0x0000);
@@ -6673,6 +6674,10 @@
PDEBUG(D_PROBE, "Find Sensor HV7131B");
sd->sensor = SENSOR_HV7131B;
break;
+ case 0x02:
+ PDEBUG(D_PROBE, "Sensor TAS5130C");
+ sd->sensor = SENSOR_TAS5130CXX;
+ break;
case 0x04:
PDEBUG(D_PROBE, "Find Sensor CS2102");
sd->sensor = SENSOR_CS2102;
@@ -6866,11 +6871,14 @@
case SENSOR_GC0305:
case SENSOR_OV7620:
case SENSOR_PO2030:
+ case SENSOR_TAS5130CXX:
case SENSOR_TAS5130C_VF0250:
/* msleep(100); * ?? */
reg_r(gspca_dev, 0x0002); /* --> 0x40 */
reg_w(dev, 0x09, 0x01ad); /* (from win traces) */
reg_w(dev, 0x15, 0x01ae);
+ if (sd->sensor == SENSOR_TAS5130CXX)
+ break;
reg_w(dev, 0x0d, 0x003a);
reg_w(dev, 0x02, 0x003b);
reg_w(dev, 0x00, 0x0038);
@@ -6887,6 +6895,7 @@
break;
case SENSOR_PAS202B:
case SENSOR_GC0305:
+ case SENSOR_TAS5130CXX:
reg_r(gspca_dev, 0x0008);
/* fall thru */
case SENSOR_PO2030:
@@ -6910,6 +6919,7 @@
switch (sd->sensor) {
case SENSOR_OV7620:
case SENSOR_PAS202B:
+ case SENSOR_TAS5130CXX:
reg_r(gspca_dev, 0x0180); /* from win */
reg_w(dev, 0x00, 0x0180);
break;
@@ -6928,6 +6938,7 @@
reg_w(dev, 0x40, 0x0117);
break;
case SENSOR_GC0305:
+ case SENSOR_TAS5130CXX:
reg_w(dev, 0x09, 0x01ad); /* (from win traces) */
reg_w(dev, 0x15, 0x01ae);
/* fall thru */
@@ -7220,7 +7231,7 @@
{USB_DEVICE(0x0ac8, 0x0302), .driver_info = SENSOR_PAS106},
{USB_DEVICE(0x0ac8, 0x301b)},
{USB_DEVICE(0x0ac8, 0x303b)},
- {USB_DEVICE(0x0ac8, 0x305b), .driver_info = SENSOR_TAS5130C_VF0250},
+ {USB_DEVICE(0x0ac8, 0x305b)},
{USB_DEVICE(0x0ac8, 0x307b)},
{USB_DEVICE(0x10fd, 0x0128)},
{USB_DEVICE(0x10fd, 0x804d)},