diff options
Diffstat (limited to 'drivers/media/video/gspca/mars.c')
| -rw-r--r-- | drivers/media/video/gspca/mars.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c index 4d5db47ba8cb..277ca34a8817 100644 --- a/drivers/media/video/gspca/mars.c +++ b/drivers/media/video/gspca/mars.c @@ -134,7 +134,7 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void sd_start(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { int err_code; __u8 *data; @@ -143,9 +143,10 @@ static void sd_start(struct gspca_dev *gspca_dev) int intpipe; PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface); - if (usb_set_interface(gspca_dev->dev, gspca_dev->iface, 8) < 0) { + err_code = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 8); + if (err_code < 0) { PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error"); - return; + return err_code; } data = gspca_dev->usb_buf; @@ -154,7 +155,7 @@ static void sd_start(struct gspca_dev *gspca_dev) err_code = reg_w(gspca_dev, data[0], 2); if (err_code < 0) - return; + return err_code; /* Initialize the MR97113 chip register @@ -180,14 +181,14 @@ static void sd_start(struct gspca_dev *gspca_dev) err_code = reg_w(gspca_dev, data[0], 11); if (err_code < 0) - return; + return err_code; data[0] = 0x23; /* address */ data[1] = 0x09; /* reg 35, append frame header */ err_code = reg_w(gspca_dev, data[0], 2); if (err_code < 0) - return; + return err_code; data[0] = 0x3c; /* address */ /* if (gspca_dev->width == 1280) */ @@ -198,7 +199,7 @@ static void sd_start(struct gspca_dev *gspca_dev) * (unit: 4KB) 200KB */ err_code = reg_w(gspca_dev, data[0], 2); if (err_code < 0) - return; + return err_code; if (0) { /* fixed dark-gain */ data[1] = 0; /* reg 94, Y Gain (1.75) */ @@ -240,13 +241,13 @@ static void sd_start(struct gspca_dev *gspca_dev) err_code = reg_w(gspca_dev, data[0], 6); if (err_code < 0) - return; + return err_code; data[0] = 0x67; data[1] = 0x13; /* reg 103, first pixel B, disable sharpness */ err_code = reg_w(gspca_dev, data[0], 2); if (err_code < 0) - return; + return err_code; /* * initialize the value of MI sensor... @@ -326,6 +327,7 @@ static void sd_start(struct gspca_dev *gspca_dev) data[0] = 0x00; data[1] = 0x4d; /* ISOC transfering enable... */ reg_w(gspca_dev, data[0], 2); + return err_code; } static void sd_stopN(struct gspca_dev *gspca_dev) |