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authorJean-Francois Moine <moinejf@free.fr>2008-07-18 08:46:19 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-23 19:00:23 -0300
commit600176176101fc6e0e0c7468efa83203e8d3e015 (patch)
tree8d28215d2bd92e2692716a4e50ac1a1260230004 /drivers/media/video
parent2864462eaf027ff10c1df1ce57d3518332e9083c (diff)
V4L/DVB (8435): gspca: Delay after reset for ov7660 and USB traces in sonixj.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/gspca/sonixj.c246
1 files changed, 118 insertions, 128 deletions
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c
index 3e68b992695..aa4d10b823e 100644
--- a/drivers/media/video/gspca/sonixj.c
+++ b/drivers/media/video/gspca/sonixj.c
@@ -361,6 +361,7 @@ static const __u8 mo4000_sensor_init[][8] = {
};
static const __u8 ov7660_sensor_init[][8] = {
{0xa1, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10}, /* reset SCCB */
+/* (delay 20ms) */
{0xa1, 0x21, 0x12, 0x05, 0x00, 0x00, 0x00, 0x10},
/* Outformat ?? rawRGB */
{0xa1, 0x21, 0x13, 0xb8, 0x00, 0x00, 0x00, 0x10}, /* init COM8 */
@@ -539,13 +540,31 @@ static void reg_r(struct gspca_dev *gspca_dev,
value, 0,
gspca_dev->usb_buf, len,
500);
+ PDEBUG(D_USBI, "reg_r [%02x] -> %02x", value, gspca_dev->usb_buf[0]);
}
+static void reg_w1(struct gspca_dev *gspca_dev,
+ __u16 value,
+ __u8 data)
+{
+ PDEBUG(D_USBO, "reg_w1 [%02x] = %02x", value, data);
+ gspca_dev->usb_buf[0] = data;
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
+ 0x08,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+ value,
+ 0,
+ gspca_dev->usb_buf, 1,
+ 500);
+}
static void reg_w(struct gspca_dev *gspca_dev,
__u16 value,
const __u8 *buffer,
int len)
{
+ PDEBUG(D_USBO, "reg_w [%02x] = %02x %02x ..",
+ value, buffer[0], buffer[1]);
if (len <= sizeof gspca_dev->usb_buf) {
memcpy(gspca_dev->usb_buf, buffer, len);
usb_control_msg(gspca_dev->dev,
@@ -571,31 +590,42 @@ static void reg_w(struct gspca_dev *gspca_dev,
}
}
-/* I2C write 2 bytes */
-static void i2c_w2(struct gspca_dev *gspca_dev,
- const __u8 *buffer)
+/* I2C write 1 byte */
+static void i2c_w1(struct gspca_dev *gspca_dev, __u8 reg, __u8 val)
{
struct sd *sd = (struct sd *) gspca_dev;
- __u8 mode[8];
- /* is i2c ready */
- mode[0] = 0x81 | (2 << 4);
- mode[1] = sd->i2c_base;
- mode[2] = buffer[0];
- mode[3] = buffer[1];
- mode[4] = 0;
- mode[5] = 0;
- mode[6] = 0;
- mode[7] = 0x10;
- reg_w(gspca_dev, 0x08, mode, 8);
+ PDEBUG(D_USBO, "i2c_w2 [%02x] = %02x", reg, val);
+ gspca_dev->usb_buf[0] = 0x81 | (2 << 4); /* = a1 */
+ gspca_dev->usb_buf[1] = sd->i2c_base;
+ gspca_dev->usb_buf[2] = reg;
+ gspca_dev->usb_buf[3] = val;
+ gspca_dev->usb_buf[4] = 0;
+ gspca_dev->usb_buf[5] = 0;
+ gspca_dev->usb_buf[6] = 0;
+ gspca_dev->usb_buf[7] = 0x10;
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
+ 0x08,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+ 0x08, /* value = i2c */
+ 0,
+ gspca_dev->usb_buf, 8,
+ 500);
}
/* I2C write 8 bytes */
static void i2c_w8(struct gspca_dev *gspca_dev,
const __u8 *buffer)
{
- reg_w(gspca_dev, 0x08, buffer, 8);
- msleep(1);
+ memcpy(gspca_dev->usb_buf, buffer, 8);
+ usb_control_msg(gspca_dev->dev,
+ usb_sndctrlpipe(gspca_dev->dev, 0),
+ 0x08,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+ 0x08, 0, /* value, index */
+ gspca_dev->usb_buf, 8,
+ 500);
}
/* read 5 bytes in gspca_dev->usb_buf */
@@ -613,24 +643,21 @@ static void i2c_r5(struct gspca_dev *gspca_dev, __u8 reg)
mode[6] = 0;
mode[7] = 0x10;
i2c_w8(gspca_dev, mode);
+ msleep(2);
mode[0] = 0x81 | (5 << 4) | 0x02;
mode[2] = 0;
i2c_w8(gspca_dev, mode);
+ msleep(2);
reg_r(gspca_dev, 0x0a, 5);
}
static int probesensor(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- __u8 reg02;
- static const __u8 datasend[] = { 2, 0 };
- /* reg val1 val2 val3 val4 */
- i2c_w2(gspca_dev, datasend);
-/* should write 0xa1 0x11 0x02 0x00 0x00 0x00 0x00 the 0x10 is add by i2cw */
+ i2c_w1(gspca_dev, 0x02, 0); /* sensor wakeup */
msleep(10);
- reg02 = 0x66;
- reg_w(gspca_dev, 0x02, &reg02, 1); /* Gpio on */
+ reg_w1(gspca_dev, 0x02, 0x66); /* Gpio on */
msleep(10);
i2c_r5(gspca_dev, 0); /* read sensor id */
if (gspca_dev->usb_buf[0] == 0x02
@@ -642,7 +669,7 @@ static int probesensor(struct gspca_dev *gspca_dev)
sd->sensor = SENSOR_HV7131R;
return SENSOR_HV7131R;
}
- PDEBUG(D_PROBE, "Find Sensor %d %d %d",
+ PDEBUG(D_PROBE, "Find Sensor 0x%02x 0x%02x 0x%02x",
gspca_dev->usb_buf[0], gspca_dev->usb_buf[1],
gspca_dev->usb_buf[2]);
PDEBUG(D_PROBE, "Sensor sn9c102P Not found");
@@ -653,8 +680,6 @@ static int configure_gpio(struct gspca_dev *gspca_dev,
const __u8 *sn9c1xx)
{
struct sd *sd = (struct sd *) gspca_dev;
- __u8 data;
- __u8 regF1;
const __u8 *reg9a;
static const __u8 reg9a_def[] =
{0x08, 0x40, 0x20, 0x10, 0x00, 0x04};
@@ -663,15 +688,13 @@ static int configure_gpio(struct gspca_dev *gspca_dev,
static const __u8 reg9a_sn9c325[] =
{0x0a, 0x40, 0x38, 0x30, 0x00, 0x20};
-
- regF1 = 0x00;
- reg_w(gspca_dev, 0xf1, &regF1, 1);
- reg_w(gspca_dev, 0x01, &sn9c1xx[0], 1); /*fixme:jfm was [1] en v1*/
+ reg_w1(gspca_dev, 0xf1, 0x00);
+ reg_w1(gspca_dev, 0x01, sn9c1xx[0]); /*fixme:jfm was [1] en v1*/
/* configure gpio */
reg_w(gspca_dev, 0x01, &sn9c1xx[1], 2);
reg_w(gspca_dev, 0x08, &sn9c1xx[8], 2);
- reg_w(gspca_dev, 0x17, &sn9c1xx[0x17], 5); /* jfm was 3 */
+ reg_w(gspca_dev, 0x17, &sn9c1xx[0x17], 5); /* jfm len was 3 */
switch (sd->bridge) {
case BRIDGE_SN9C325:
reg9a = reg9a_sn9c325;
@@ -685,35 +708,25 @@ static int configure_gpio(struct gspca_dev *gspca_dev,
}
reg_w(gspca_dev, 0x9a, reg9a, 6);
- data = 0x60; /*fixme:jfm 60 00 00 (3) */
- reg_w(gspca_dev, 0xd4, &data, 1);
+ reg_w1(gspca_dev, 0xd4, 0x60); /*fixme:jfm 60 00 00 (3) ? */
reg_w(gspca_dev, 0x03, &sn9c1xx[3], 0x0f);
switch (sd->bridge) {
case BRIDGE_SN9C120: /* from win trace */
- data = 0x61;
- reg_w(gspca_dev, 0x01, &data, 1);
- data = 0x20;
- reg_w(gspca_dev, 0x17, &data, 1);
- data = 0x60;
- reg_w(gspca_dev, 0x01, &data, 1);
+ reg_w1(gspca_dev, 0x01, 0x61);
+ reg_w1(gspca_dev, 0x17, 0x20);
+ reg_w1(gspca_dev, 0x01, 0x60);
break;
case BRIDGE_SN9C325:
- data = 0x43;
- reg_w(gspca_dev, 0x01, &data, 1);
- data = 0xae;
- reg_w(gspca_dev, 0x17, &data, 1);
- data = 0x42;
- reg_w(gspca_dev, 0x01, &data, 1);
+ reg_w1(gspca_dev, 0x01, 0x43);
+ reg_w1(gspca_dev, 0x17, 0xae);
+ reg_w1(gspca_dev, 0x01, 0x42);
break;
default:
- data = 0x43;
- reg_w(gspca_dev, 0x01, &data, 1);
- data = 0x61;
- reg_w(gspca_dev, 0x17, &data, 1);
- data = 0x42;
- reg_w(gspca_dev, 0x01, &data, 1);
+ reg_w1(gspca_dev, 0x01, 0x43);
+ reg_w1(gspca_dev, 0x17, 0x61);
+ reg_w1(gspca_dev, 0x01, 0x42);
}
if (sd->sensor == SENSOR_HV7131R) {
@@ -770,6 +783,9 @@ static void ov7660_InitSensor(struct gspca_dev *gspca_dev)
{
int i = 0;
+ i2c_w8(gspca_dev, ov7660_sensor_init[i]); /* reset SCCB */
+ i++;
+ msleep(20);
while (ov7660_sensor_init[i][0]) {
i2c_w8(gspca_dev, ov7660_sensor_init[i]);
i++;
@@ -782,13 +798,11 @@ static int sd_config(struct gspca_dev *gspca_dev,
{
struct sd *sd = (struct sd *) gspca_dev;
struct cam *cam;
- __u16 vendor;
__u16 product;
- vendor = id->idVendor;
product = id->idProduct;
sd->sensor = -1;
- switch (vendor) {
+ switch (id->idVendor) {
case 0x0458: /* Genius */
/* switch (product) {
case 0x7025: */
@@ -960,7 +974,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
}
if (sd->sensor < 0) {
PDEBUG(D_ERR, "Invalid vendor/product %04x:%04x",
- vendor, product);
+ id->idVendor, product);
return -EINVAL;
}
@@ -983,34 +997,26 @@ static int sd_open(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
/* const __u8 *sn9c1xx; */
- __u8 regF1;
__u8 regGpio[] = { 0x29, 0x74 };
+ __u8 regF1;
/* setup a selector by bridge */
- regF1 = 0x01;
- reg_w(gspca_dev, 0xf1, &regF1, 1);
+ reg_w1(gspca_dev, 0xf1, 0x01);
reg_r(gspca_dev, 0x00, 1); /* -> regF1 = 0x00 */
- regF1 = gspca_dev->usb_buf[0];
- reg_w(gspca_dev, 0xf1, &regF1, 1);
+ reg_w1(gspca_dev, 0xf1, gspca_dev->usb_buf[0]);
reg_r(gspca_dev, 0x00, 1);
regF1 = gspca_dev->usb_buf[0];
switch (sd->bridge) {
case BRIDGE_SN9C102P:
if (regF1 != 0x11)
return -ENODEV;
- reg_w(gspca_dev, 0x02, &regGpio[1], 1);
+ reg_w1(gspca_dev, 0x02, regGpio[1]);
break;
case BRIDGE_SN9C105:
if (regF1 != 0x11)
return -ENODEV;
reg_w(gspca_dev, 0x02, regGpio, 2);
break;
- case BRIDGE_SN9C110:
- if (regF1 != 0x12)
- return -ENODEV;
- regGpio[1] = 0x62;
- reg_w(gspca_dev, 0x02, &regGpio[1], 1);
- break;
case BRIDGE_SN9C120:
if (regF1 != 0x12)
return -ENODEV;
@@ -1018,16 +1024,15 @@ static int sd_open(struct gspca_dev *gspca_dev)
reg_w(gspca_dev, 0x02, regGpio, 2);
break;
default:
+/* case BRIDGE_SN9C110: */
/* case BRIDGE_SN9C325: */
if (regF1 != 0x12)
return -ENODEV;
- regGpio[1] = 0x62;
- reg_w(gspca_dev, 0x02, &regGpio[1], 1);
+ reg_w1(gspca_dev, 0x02, 0x62);
break;
}
- regF1 = 0x01;
- reg_w(gspca_dev, 0xf1, &regF1, 1);
+ reg_w1(gspca_dev, 0xf1, 0x01);
return 0;
}
@@ -1123,7 +1128,7 @@ static void setbrightness(struct gspca_dev *gspca_dev)
}
k2 = sd->brightness >> 10;
- reg_w(gspca_dev, 0x96, &k2, 1);
+ reg_w1(gspca_dev, 0x96, k2);
}
static void setcontrast(struct gspca_dev *gspca_dev)
@@ -1152,7 +1157,7 @@ static void setcolors(struct gspca_dev *gspca_dev)
data = (colour + 32) & 0x7f; /* blue */
else
data = (-colour + 32) & 0x7f; /* red */
- reg_w(gspca_dev, 0x05, &data, 1);
+ reg_w1(gspca_dev, 0x05, data);
}
/* -- start the camera -- */
@@ -1165,7 +1170,6 @@ static void sd_start(struct gspca_dev *gspca_dev)
__u8 reg17;
const __u8 *sn9c1xx;
int mode;
- static const __u8 DC29[] = { 0x6a, 0x50, 0x00, 0x00, 0x50, 0x3c };
static const __u8 C0[] = { 0x2d, 0x2d, 0x3a, 0x05, 0x04, 0x3f };
static const __u8 CA[] = { 0x28, 0xd8, 0x14, 0xec };
static const __u8 CA_sn9c120[] =
@@ -1179,21 +1183,20 @@ static void sd_start(struct gspca_dev *gspca_dev)
/*fixme:jfm this sequence should appear at end of sd_start */
/* with
- data = 0x44;
- reg_w(gspca_dev, 0x01, &data, 1); */
- reg_w(gspca_dev, 0x15, &sn9c1xx[0x15], 1);
- reg_w(gspca_dev, 0x16, &sn9c1xx[0x16], 1);
- reg_w(gspca_dev, 0x12, &sn9c1xx[0x12], 1);
- reg_w(gspca_dev, 0x13, &sn9c1xx[0x13], 1);
- reg_w(gspca_dev, 0x18, &sn9c1xx[0x18], 1);
- reg_w(gspca_dev, 0xd2, &DC29[0], 1);
- reg_w(gspca_dev, 0xd3, &DC29[1], 1);
- reg_w(gspca_dev, 0xc6, &DC29[2], 1);
- reg_w(gspca_dev, 0xc7, &DC29[3], 1);
- reg_w(gspca_dev, 0xc8, &DC29[4], 1);
- reg_w(gspca_dev, 0xc9, &DC29[5], 1);
+ reg_w1(gspca_dev, 0x01, 0x44); */
+ reg_w1(gspca_dev, 0x15, sn9c1xx[0x15]);
+ reg_w1(gspca_dev, 0x16, sn9c1xx[0x16]);
+ reg_w1(gspca_dev, 0x12, sn9c1xx[0x12]);
+ reg_w1(gspca_dev, 0x13, sn9c1xx[0x13]);
+ reg_w1(gspca_dev, 0x18, sn9c1xx[0x18]);
+ reg_w1(gspca_dev, 0xd2, 0x6a); /* DC29 */
+ reg_w1(gspca_dev, 0xd3, 0x50);
+ reg_w1(gspca_dev, 0xc6, 0x00);
+ reg_w1(gspca_dev, 0xc7, 0x00);
+ reg_w1(gspca_dev, 0xc8, 0x50);
+ reg_w1(gspca_dev, 0xc9, 0x3c);
/*fixme:jfm end of ending sequence */
- reg_w(gspca_dev, 0x18, &sn9c1xx[0x18], 1);
+ reg_w1(gspca_dev, 0x18, sn9c1xx[0x18]);
switch (sd->bridge) {
case BRIDGE_SN9C325:
data = 0xae;
@@ -1205,11 +1208,11 @@ static void sd_start(struct gspca_dev *gspca_dev)
data = 0x60;
break;
}
- reg_w(gspca_dev, 0x17, &data, 1);
- reg_w(gspca_dev, 0x05, &sn9c1xx[5], 1);
- reg_w(gspca_dev, 0x07, &sn9c1xx[7], 1);
- reg_w(gspca_dev, 0x06, &sn9c1xx[6], 1);
- reg_w(gspca_dev, 0x14, &sn9c1xx[0x14], 1);
+ reg_w1(gspca_dev, 0x17, data);
+ reg_w1(gspca_dev, 0x05, sn9c1xx[5]);
+ reg_w1(gspca_dev, 0x07, sn9c1xx[7]);
+ reg_w1(gspca_dev, 0x06, sn9c1xx[6]);
+ reg_w1(gspca_dev, 0x14, sn9c1xx[0x14]);
switch (sd->bridge) {
case BRIDGE_SN9C325:
reg_w(gspca_dev, 0x20, regsn20_sn9c325,
@@ -1217,10 +1220,8 @@ static void sd_start(struct gspca_dev *gspca_dev)
for (i = 0; i < 8; i++)
reg_w(gspca_dev, 0x84, reg84_sn9c325,
sizeof reg84_sn9c325);
- data = 0x0a;
- reg_w(gspca_dev, 0x9a, &data, 1);
- data = 0x60;
- reg_w(gspca_dev, 0x99, &data, 1);
+ reg_w1(gspca_dev, 0x9a, 0x0a);
+ reg_w1(gspca_dev, 0x99, 0x60);
break;
case BRIDGE_SN9C120:
reg_w(gspca_dev, 0x20, regsn20_sn9c120,
@@ -1233,39 +1234,30 @@ static void sd_start(struct gspca_dev *gspca_dev)
sizeof reg84_sn9c120_2);
reg_w(gspca_dev, 0x84, reg84_sn9c120_3,
sizeof reg84_sn9c120_3);
- data = 0x05;
- reg_w(gspca_dev, 0x9a, &data, 1);
- data = 0x5b;
- reg_w(gspca_dev, 0x99, &data, 1);
+ reg_w1(gspca_dev, 0x9a, 0x05);
+ reg_w1(gspca_dev, 0x99, 0x5b);
break;
default:
reg_w(gspca_dev, 0x20, regsn20, sizeof regsn20);
for (i = 0; i < 8; i++)
reg_w(gspca_dev, 0x84, reg84, sizeof reg84);
- data = 0x08;
- reg_w(gspca_dev, 0x9a, &data, 1);
- data = 0x59;
- reg_w(gspca_dev, 0x99, &data, 1);
+ reg_w1(gspca_dev, 0x9a, 0x08);
+ reg_w1(gspca_dev, 0x99, 0x59);
break;
}
mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
- reg1 = 0x02;
+ if (mode)
+ reg1 = 0x46; /* 320 clk 48Mhz */
+ else
+ reg1 = 0x06; /* 640 clk 24Mz */
reg17 = 0x61;
switch (sd->sensor) {
case SENSOR_HV7131R:
hv7131R_InitSensor(gspca_dev);
- if (mode)
- reg1 = 0x46; /* 320 clk 48Mhz */
- else
- reg1 = 0x06; /* 640 clk 24Mz */
break;
case SENSOR_MI0360:
mi0360_InitSensor(gspca_dev);
- if (mode)
- reg1 = 0x46; /* 320 clk 48Mhz */
- else
- reg1 = 0x06; /* 640 clk 24Mz */
break;
case SENSOR_MO4000:
mo4000_InitSensor(gspca_dev);
@@ -1274,13 +1266,13 @@ static void sd_start(struct gspca_dev *gspca_dev)
reg1 = 0x06; /* clk 24Mz */
} else {
reg17 = 0x22; /* 640 MCKSIZE */
- reg1 = 0x06; /* 640 clk 24Mz */
+/* reg1 = 0x06; * 640 clk 24Mz (done) */
}
break;
case SENSOR_OV7648:
+ ov7648_InitSensor(gspca_dev);
reg17 = 0xa2;
reg1 = 0x44;
- ov7648_InitSensor(gspca_dev);
/* if (mode)
; * 320x2...
else
@@ -1292,7 +1284,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
if (mode) {
/* reg17 = 0x21; * 320 */
/* reg1 = 0x44; */
- reg1 = 0x46;
+/* reg1 = 0x46; (done) */
} else {
reg17 = 0xa2; /* 640 */
reg1 = 0x40;
@@ -1321,16 +1313,16 @@ static void sd_start(struct gspca_dev *gspca_dev)
/* here change size mode 0 -> VGA; 1 -> CIF */
data = 0x40 | sn9c1xx[0x18] | (mode << 4);
- reg_w(gspca_dev, 0x18, &data, 1);
+ reg_w1(gspca_dev, 0x18, data);
reg_w(gspca_dev, 0x100, qtable4, 0x40);
reg_w(gspca_dev, 0x140, qtable4 + 0x40, 0x40);
data = sn9c1xx[0x18] | (mode << 4);
- reg_w(gspca_dev, 0x18, &data, 1);
+ reg_w1(gspca_dev, 0x18, data);
- reg_w(gspca_dev, 0x17, &reg17, 1);
- reg_w(gspca_dev, 0x01, &reg1, 1);
+ reg_w1(gspca_dev, 0x17, reg17);
+ reg_w1(gspca_dev, 0x01, reg1);
setbrightness(gspca_dev);
setcontrast(gspca_dev);
}
@@ -1342,7 +1334,6 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
{ 0xa1, 0x11, 0x02, 0x09, 0x00, 0x00, 0x00, 0x10 };
static const __u8 stopmi0360[] =
{ 0xb1, 0x5d, 0x07, 0x00, 0x00, 0x00, 0x00, 0x10 };
- __u8 regF1;
__u8 data;
const __u8 *sn9c1xx;
@@ -1366,12 +1357,11 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
break;
}
sn9c1xx = sn_tb[(int) sd->sensor];
- reg_w(gspca_dev, 0x01, &sn9c1xx[1], 1);
- reg_w(gspca_dev, 0x17, &sn9c1xx[0x17], 1);
- reg_w(gspca_dev, 0x01, &sn9c1xx[1], 1);
- reg_w(gspca_dev, 0x01, &data, 1);
- regF1 = 0x01;
- reg_w(gspca_dev, 0xf1, &regF1, 1);
+ reg_w1(gspca_dev, 0x01, sn9c1xx[1]);
+ reg_w1(gspca_dev, 0x17, sn9c1xx[0x17]);
+ reg_w1(gspca_dev, 0x01, sn9c1xx[1]);
+ reg_w1(gspca_dev, 0x01, data);
+ reg_w1(gspca_dev, 0xf1, 0x01);
}
static void sd_stop0(struct gspca_dev *gspca_dev)