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isdn/gigaset: adjust usb_gigaset tty write buffer limit

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The usb_gigaset driver's write buffer limit was different from those
of the others for no good reason. Set it to the same value, derived
from the Siemens documentation.

Impact: cosmetic
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt 2010-07-05 14:18:37 +00:00 committed by David S. Miller
parent 597e608a84
commit b3251d8045
1 changed files with 2 additions and 1 deletions
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3
drivers/isdn/gigaset/usb-gigaset.c
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@ -39,7 +39,8 @@ MODULE_PARM_DESC(cidmode, "Call-ID mode");
#define GIGASET_MODULENAME "usb_gigaset"
#define GIGASET_DEVNAME "ttyGU"
#define IF_WRITEBUF 2000 /* arbitrary limit */
/* length limit according to Siemens 3070usb-protokoll.doc ch. 2.1 */
#define IF_WRITEBUF 264
/* Values for the Gigaset M105 Data */
#define USB_M105_VENDOR_ID 0x0681