V4L/DVB: gspca - vc032x: Stop the USB exchanges on error
Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine
Mauro Carvalho Chehab
parent
98475cb642
commit
fe854ec07c
1 changed files with 87 additions and 65 deletions
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@ -3073,13 +3073,21 @@ static void reg_r(struct gspca_dev *gspca_dev,
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u16 index,
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u16 len)
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{
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usb_control_msg(gspca_dev->dev,
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int ret;
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if (gspca_dev->usb_err < 0)
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return;
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ret = usb_control_msg(gspca_dev->dev,
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usb_rcvctrlpipe(gspca_dev->dev, 0),
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req,
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USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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1, /* value */
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index, gspca_dev->usb_buf, len,
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500);
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if (ret < 0) {
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PDEBUG(D_ERR, "reg_r err %d", ret);
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gspca_dev->usb_err = ret;
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}
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}
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static void reg_w(struct usb_device *dev,
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@ -3087,18 +3095,37 @@ static void reg_w(struct usb_device *dev,
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u16 value,
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u16 index)
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{
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usb_control_msg(dev,
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usb_sndctrlpipe(dev, 0),
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int ret;
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if (gspca_dev->usb_err < 0)
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return;
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ret = usb_control_msg(gspca_dev->dev,
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usb_sndctrlpipe(gspca_dev->dev, 0),
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req,
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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value, index, NULL, 0,
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500);
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if (ret < 0) {
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PDEBUG(D_ERR, "reg_w err %d", ret);
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gspca_dev->usb_err = ret;
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}
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}
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static void reg_w(struct gspca_dev *gspca_dev,
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u16 req,
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u16 value,
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u16 index)
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{
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#ifdef GSPCA_DEBUG
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if (gspca_dev->usb_err < 0)
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return;
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PDEBUG(D_USBO, "SET %02x %04x %04x", req, value, index);
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#endif
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reg_w_i(gspca_dev, req, value, index);
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}
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static u16 read_sensor_register(struct gspca_dev *gspca_dev,
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u16 address)
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{
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struct usb_device *dev = gspca_dev->dev;
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u8 ldata, mdata, hdata;
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int retry = 50;
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@ -3108,8 +3135,8 @@ static u16 read_sensor_register(struct gspca_dev *gspca_dev,
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gspca_dev->usb_buf[0]);
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return 0;
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}
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reg_w(dev, 0xa0, address, 0xb33a);
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reg_w(dev, 0xa0, 0x02, 0xb339);
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reg_w(gspca_dev, 0xa0, address, 0xb33a);
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reg_w(gspca_dev, 0xa0, 0x02, 0xb339);
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do {
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reg_r(gspca_dev, 0xa1, 0xb33b, 1);
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@ -3136,15 +3163,15 @@ static u16 read_sensor_register(struct gspca_dev *gspca_dev,
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static int vc032x_probe_sensor(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct usb_device *dev = gspca_dev->dev;
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int i, n;
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u16 value;
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const struct sensor_info *ptsensor_info;
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/*fixme: should also check the other sensor (back mi1320_soc, front mc501cb)*/
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if (sd->flags & FL_SAMSUNG) {
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reg_w(dev, 0xa0, 0x01, 0xb301);
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reg_w(dev, 0x89, 0xf0ff, 0xffff); /* select the back sensor */
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reg_w(gspca_dev, 0xa0, 0x01, 0xb301);
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reg_w(gspca_dev, 0x89, 0xf0ff, 0xffff);
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/* select the back sensor */
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}
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reg_r(gspca_dev, 0xa1, 0xbfcf, 1);
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@ -3158,13 +3185,13 @@ static int vc032x_probe_sensor(struct gspca_dev *gspca_dev)
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n = ARRAY_SIZE(vc0323_probe_data);
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}
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for (i = 0; i < n; i++) {
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reg_w(dev, 0xa0, 0x02, 0xb334);
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reg_w(dev, 0xa0, ptsensor_info->m1, 0xb300);
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reg_w(dev, 0xa0, ptsensor_info->m2, 0xb300);
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reg_w(dev, 0xa0, 0x01, 0xb308);
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reg_w(dev, 0xa0, 0x0c, 0xb309);
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reg_w(dev, 0xa0, ptsensor_info->I2cAdd, 0xb335);
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reg_w(dev, 0xa0, ptsensor_info->op, 0xb301);
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reg_w(gspca_dev, 0xa0, 0x02, 0xb334);
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reg_w(gspca_dev, 0xa0, ptsensor_info->m1, 0xb300);
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reg_w(gspca_dev, 0xa0, ptsensor_info->m2, 0xb300);
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reg_w(gspca_dev, 0xa0, 0x01, 0xb308);
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reg_w(gspca_dev, 0xa0, 0x0c, 0xb309);
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reg_w(gspca_dev, 0xa0, ptsensor_info->I2cAdd, 0xb335);
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reg_w(gspca_dev, 0xa0, ptsensor_info->op, 0xb301);
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value = read_sensor_register(gspca_dev, ptsensor_info->IdAdd);
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if (value == 0 && ptsensor_info->IdAdd == 0x82)
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value = read_sensor_register(gspca_dev, 0x83);
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@ -3192,17 +3219,16 @@ static void i2c_write(struct gspca_dev *gspca_dev,
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u8 reg, const u8 *val,
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u8 size) /* 1 or 2 */
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{
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struct usb_device *dev = gspca_dev->dev;
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int retry;
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reg_r(gspca_dev, 0xa1, 0xb33f, 1);
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/*fixme:should check if (!(gspca_dev->usb_buf[0] & 0x02)) error*/
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reg_w(dev, 0xa0, size, 0xb334);
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reg_w(dev, 0xa0, reg, 0xb33a);
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reg_w(dev, 0xa0, val[0], 0xb336);
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reg_w(gspca_dev, 0xa0, size, 0xb334);
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reg_w(gspca_dev, 0xa0, reg, 0xb33a);
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reg_w(gspca_dev, 0xa0, val[0], 0xb336);
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if (size > 1)
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reg_w(dev, 0xa0, val[1], 0xb337);
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reg_w(dev, 0xa0, 0x01, 0xb339);
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reg_w(gspca_dev, 0xa0, val[1], 0xb337);
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reg_w(gspca_dev, 0xa0, 0x01, 0xb339);
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retry = 4;
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do {
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reg_r(gspca_dev, 0xa1, 0xb33b, 1);
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@ -3221,13 +3247,12 @@ static void put_tab_to_reg(struct gspca_dev *gspca_dev,
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u16 ad = addr;
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for (j = 0; j < tabsize; j++)
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reg_w(gspca_dev->dev, 0xa0, tab[j], ad++);
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reg_w(gspca_dev, 0xa0, tab[j], ad++);
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}
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static void usb_exchange(struct gspca_dev *gspca_dev,
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const u8 data[][4])
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{
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struct usb_device *dev = gspca_dev->dev;
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int i = 0;
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for (;;) {
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@ -3235,7 +3260,7 @@ static void usb_exchange(struct gspca_dev *gspca_dev,
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default:
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return;
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case 0xcc: /* normal write */
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reg_w(dev, 0xa0, data[i][2],
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reg_w(gspca_dev, 0xa0, data[i][2],
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(data[i][0]) << 8 | data[i][1]);
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break;
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case 0xaa: /* i2c op */
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@ -3259,7 +3284,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
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const struct usb_device_id *id)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct usb_device *dev = gspca_dev->dev;
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struct cam *cam;
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int sensor;
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static u8 npkt[] = { /* number of packets per ISOC message */
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@ -3365,10 +3389,10 @@ static int sd_config(struct gspca_dev *gspca_dev,
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if (sd->bridge == BRIDGE_VC0321) {
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reg_r(gspca_dev, 0x8a, 0, 3);
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reg_w(dev, 0x87, 0x00, 0x0f0f);
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reg_w(gspca_dev, 0x87, 0x00, 0x0f0f);
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reg_r(gspca_dev, 0x8b, 0, 3);
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reg_w(dev, 0x88, 0x00, 0x0202);
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reg_w(gspca_dev, 0x88, 0x00, 0x0202);
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}
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return 0;
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}
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@ -3381,12 +3405,12 @@ static int sd_init(struct gspca_dev *gspca_dev)
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if (sd->sensor == SENSOR_POxxxx) {
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reg_r(gspca_dev, 0xa1, 0xb300, 1);
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if (gspca_dev->usb_buf[0] != 0) {
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reg_w(gspca_dev->dev, 0xa0, 0x26, 0xb300);
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reg_w(gspca_dev->dev, 0xa0, 0x04, 0xb300);
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reg_w(gspca_dev->dev, 0xa0, 0x00, 0xb300);
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reg_w(gspca_dev, 0xa0, 0x26, 0xb300);
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reg_w(gspca_dev, 0xa0, 0x04, 0xb300);
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reg_w(gspca_dev, 0xa0, 0x00, 0xb300);
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}
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}
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return 0;
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return gspca_dev->usb_err;
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}
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static void setbrightness(struct gspca_dev *gspca_dev)
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@ -3516,17 +3540,17 @@ static int sd_start(struct gspca_dev *gspca_dev)
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/*fixme: back sensor only*/
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if (sd->flags & FL_SAMSUNG) {
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reg_w(gspca_dev->dev, 0x89, 0xf0ff, 0xffff);
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reg_w(gspca_dev->dev, 0xa9, 0x8348, 0x000e);
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reg_w(gspca_dev->dev, 0xa9, 0x0000, 0x001a);
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reg_w(gspca_dev, 0x89, 0xf0ff, 0xffff);
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reg_w(gspca_dev, 0xa9, 0x8348, 0x000e);
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reg_w(gspca_dev, 0xa9, 0x0000, 0x001a);
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}
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/* Assume start use the good resolution from gspca_dev->mode */
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if (sd->bridge == BRIDGE_VC0321) {
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reg_w(gspca_dev->dev, 0xa0, 0xff, 0xbfec);
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reg_w(gspca_dev->dev, 0xa0, 0xff, 0xbfed);
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reg_w(gspca_dev->dev, 0xa0, 0xff, 0xbfee);
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reg_w(gspca_dev->dev, 0xa0, 0xff, 0xbfef);
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reg_w(gspca_dev, 0xa0, 0xff, 0xbfec);
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reg_w(gspca_dev, 0xa0, 0xff, 0xbfed);
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reg_w(gspca_dev, 0xa0, 0xff, 0xbfee);
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reg_w(gspca_dev, 0xa0, 0xff, 0xbfef);
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sd->image_offset = 46;
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} else {
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if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].pixelformat
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@ -3617,7 +3641,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
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init = poxxxx_initVGA;
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usb_exchange(gspca_dev, init);
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reg_r(gspca_dev, 0x8c, 0x0000, 3);
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reg_w(gspca_dev->dev, 0xa0,
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reg_w(gspca_dev, 0xa0,
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gspca_dev->usb_buf[2] & 1 ? 0 : 1,
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0xb35c);
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msleep(300);
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@ -3635,10 +3659,10 @@ static int sd_start(struct gspca_dev *gspca_dev)
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switch (sd->sensor) {
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case SENSOR_PO1200:
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case SENSOR_HV7131R:
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reg_w(gspca_dev->dev, 0x89, 0x0400, 0x1415);
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reg_w(gspca_dev, 0x89, 0x0400, 0x1415);
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break;
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case SENSOR_MI1310_SOC:
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reg_w(gspca_dev->dev, 0x89, 0x058c, 0x0000);
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reg_w(gspca_dev, 0x89, 0x058c, 0x0000);
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break;
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}
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msleep(100);
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@ -3648,9 +3672,9 @@ static int sd_start(struct gspca_dev *gspca_dev)
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}
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switch (sd->sensor) {
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case SENSOR_OV7670:
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reg_w(gspca_dev->dev, 0x87, 0xffff, 0xffff);
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reg_w(gspca_dev->dev, 0x88, 0xff00, 0xf0f1);
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reg_w(gspca_dev->dev, 0xa0, 0x0000, 0xbfff);
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reg_w(gspca_dev, 0x87, 0xffff, 0xffff);
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reg_w(gspca_dev, 0x88, 0xff00, 0xf0f1);
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reg_w(gspca_dev, 0xa0, 0x0000, 0xbfff);
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break;
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case SENSOR_POxxxx:
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setcolors(gspca_dev);
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@ -3659,51 +3683,49 @@ static int sd_start(struct gspca_dev *gspca_dev)
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/* led on */
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msleep(80);
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reg_w(gspca_dev->dev, 0x89, 0xffff, 0xfdff);
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reg_w(gspca_dev, 0x89, 0xffff, 0xfdff);
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usb_exchange(gspca_dev, poxxxx_init_end_2);
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break;
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}
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return 0;
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return gspca_dev->usb_err;
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}
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static void sd_stopN(struct gspca_dev *gspca_dev)
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{
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struct usb_device *dev = gspca_dev->dev;
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struct sd *sd = (struct sd *) gspca_dev;
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switch (sd->sensor) {
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case SENSOR_MI1310_SOC:
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reg_w(dev, 0x89, 0x058c, 0x00ff);
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reg_w(gspca_dev, 0x89, 0x058c, 0x00ff);
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break;
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case SENSOR_POxxxx:
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return;
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default:
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if (!(sd->flags & FL_SAMSUNG))
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reg_w(dev, 0x89, 0xffff, 0xffff);
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reg_w(gspca_dev, 0x89, 0xffff, 0xffff);
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break;
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}
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reg_w(dev, 0xa0, 0x01, 0xb301);
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reg_w(dev, 0xa0, 0x09, 0xb003);
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reg_w(gspca_dev, 0xa0, 0x01, 0xb301);
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reg_w(gspca_dev, 0xa0, 0x09, 0xb003);
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}
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/* called on streamoff with alt 0 and on disconnect */
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static void sd_stop0(struct gspca_dev *gspca_dev)
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{
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struct usb_device *dev = gspca_dev->dev;
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struct sd *sd = (struct sd *) gspca_dev;
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if (!gspca_dev->present)
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return;
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/*fixme: is this useful?*/
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if (sd->sensor == SENSOR_MI1310_SOC)
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reg_w(dev, 0x89, 0x058c, 0x00ff);
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reg_w(gspca_dev, 0x89, 0x058c, 0x00ff);
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else if (!(sd->flags & FL_SAMSUNG))
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reg_w(dev, 0x89, 0xffff, 0xffff);
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reg_w(gspca_dev, 0x89, 0xffff, 0xffff);
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if (sd->sensor == SENSOR_POxxxx) {
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reg_w(dev, 0xa0, 0x26, 0xb300);
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reg_w(dev, 0xa0, 0x04, 0xb300);
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reg_w(dev, 0xa0, 0x00, 0xb300);
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reg_w(gspca_dev, 0xa0, 0x26, 0xb300);
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reg_w(gspca_dev, 0xa0, 0x04, 0xb300);
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reg_w(gspca_dev, 0xa0, 0x00, 0xb300);
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}
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}
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@ -3743,7 +3765,7 @@ static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
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sd->brightness = val;
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if (gspca_dev->streaming)
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setbrightness(gspca_dev);
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return 0;
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return gspca_dev->usb_err;
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}
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static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
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@ -3761,7 +3783,7 @@ static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
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sd->contrast = val;
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if (gspca_dev->streaming)
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setcontrast(gspca_dev);
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return 0;
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return gspca_dev->usb_err;
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}
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static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
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@ -3779,7 +3801,7 @@ static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
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sd->colors = val;
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if (gspca_dev->streaming)
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setcolors(gspca_dev);
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return 0;
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return gspca_dev->usb_err;
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}
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static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
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@ -3797,7 +3819,7 @@ static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
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sd->hflip = val;
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if (gspca_dev->streaming)
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sethvflip(gspca_dev);
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return 0;
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return gspca_dev->usb_err;
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}
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static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
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@ -3815,7 +3837,7 @@ static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
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sd->vflip = val;
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if (gspca_dev->streaming)
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sethvflip(gspca_dev);
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return 0;
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return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
|
||||
|
|
@ -3833,7 +3855,7 @@ static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)
|
|||
sd->lightfreq = val;
|
||||
if (gspca_dev->streaming)
|
||||
setlightfreq(gspca_dev);
|
||||
return 0;
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)
|
||||
|
|
@ -3851,7 +3873,7 @@ static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val)
|
|||
sd->sharpness = val;
|
||||
if (gspca_dev->streaming)
|
||||
setsharpness(gspca_dev);
|
||||
return 0;
|
||||
return gspca_dev->usb_err;
|
||||
}
|
||||
|
||||
static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val)
|
||||
|
|
|
|||
Loading…
Reference in a new issue