diff options
Diffstat (limited to 'drivers/usb/input/hid.h')
-rw-r--r-- | drivers/usb/input/hid.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h index ca3e170ce0b..d76bbc81f6a 100644 --- a/drivers/usb/input/hid.h +++ b/drivers/usb/input/hid.h @@ -351,7 +351,8 @@ struct hid_report_enum { #define HID_REPORT_TYPES 3 -#define HID_BUFFER_SIZE 64 /* use 64 for compatibility with all possible packetlen */ +#define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */ +#define HID_MAX_BUFFER_SIZE 4096 /* 4kb */ #define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */ #define HID_OUTPUT_FIFO_SIZE 64 @@ -389,6 +390,8 @@ struct hid_device { /* device report descriptor */ unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ + unsigned int bufsize; /* URB buffer size */ + struct urb *urbin; /* Input URB */ char *inbuf; /* Input buffer */ dma_addr_t inbuf_dma; /* Input buffer dma */ |