diff options
Diffstat (limited to 'drivers/media/video/gspca/sonixj.c')
| -rw-r--r-- | drivers/media/video/gspca/sonixj.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index e23de57e2c7..901ca81e81e 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -1598,22 +1598,22 @@ static void i2c_w_seq(struct gspca_dev *gspca_dev, } } +/* check the ID of the hv7131 sensor */ +/* this sequence is needed because it activates the sensor */ static void hv7131r_probe(struct gspca_dev *gspca_dev) { - i2c_w1(gspca_dev, 0x02, 0); /* sensor wakeup */ + i2c_w1(gspca_dev, 0x02, 0); /* sensor wakeup */ msleep(10); - reg_w1(gspca_dev, 0x02, 0x66); /* Gpio on */ + reg_w1(gspca_dev, 0x02, 0x66); /* Gpio on */ msleep(10); - i2c_r(gspca_dev, 0, 5); /* read sensor id */ - if (gspca_dev->usb_buf[0] == 0x02 + i2c_r(gspca_dev, 0, 5); /* read sensor id */ + if (gspca_dev->usb_buf[0] == 0x02 /* chip ID (02 is R) */ && gspca_dev->usb_buf[1] == 0x09 - && gspca_dev->usb_buf[2] == 0x01 - && gspca_dev->usb_buf[3] == 0x00 - && gspca_dev->usb_buf[4] == 0x00) { - PDEBUG(D_PROBE, "Sensor sn9c102P HV7131R found"); + && gspca_dev->usb_buf[2] == 0x01) { + PDEBUG(D_PROBE, "Sensor HV7131R found"); return; } - PDEBUG(D_PROBE, "Sensor 0x%02x 0x%02x 0x%02x - sn9c102P not found", + warn("Erroneous HV7131R ID 0x%02x 0x%02x 0x%02x", gspca_dev->usb_buf[0], gspca_dev->usb_buf[1], gspca_dev->usb_buf[2]); } |