diff options
Diffstat (limited to 'linux/drivers/media/video/em28xx/em28xx.h')
| -rw-r--r-- | linux/drivers/media/video/em28xx/em28xx.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx.h b/linux/drivers/media/video/em28xx/em28xx.h index 97afac4b6..2e108be19 100644 --- a/linux/drivers/media/video/em28xx/em28xx.h +++ b/linux/drivers/media/video/em28xx/em28xx.h @@ -104,6 +104,9 @@ #define EM28XX_MIN_BUF 4 #define EM28XX_DEF_BUF 8 +/*Limits the max URB message size */ +#define URB_MAX_CTRL_SIZE 80 + /* Params for validated field */ #define EM28XX_BOARD_NOT_VALIDATED 1 #define EM28XX_BOARD_VALIDATED 0 @@ -468,6 +471,8 @@ struct em28xx { unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */ struct urb *urb[EM28XX_NUM_BUFS]; /* urb for isoc transfers */ char *transfer_buffer[EM28XX_NUM_BUFS]; /* transfer buffers for isoc transfer */ + char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */ + /* helper funcs that call usb_control_msg */ int (*em28xx_write_regs) (struct em28xx *dev, u16 reg, char *buf, int len); |