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authorAlan Cox <alan@redhat.com>2008-10-17 20:28:25 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 09:41:06 -0700
commit252883e512c6d8fbc03b6738f1620fda44c4d472 (patch)
tree4652e5c66908cbab566d44e73ac74a6b84ddee60 /drivers/char/epca.c
parent45e4a24f7b6b23810142112b5850fe75696a1155 (diff)
epca: Add infinite break support
The EPCA can support indefinte break lengths and with info from digi that can now be added Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/epca.c')
-rw-r--r--drivers/char/epca.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/char/epca.c b/drivers/char/epca.c
index 4998b2761e8..cf2461d34e5 100644
--- a/drivers/char/epca.c
+++ b/drivers/char/epca.c
@@ -2477,7 +2477,11 @@ static int pc_send_break(struct tty_struct *tty, int msec)
unsigned long flags;
if (msec == -1)
- return -EOPNOTSUPP;
+ msec = 0xFFFF;
+ else if (msec > 0xFFFE)
+ msec = 0xFFFE;
+ else if (msec < 1)
+ msec = 1;
spin_lock_irqsave(&epca_lock, flags);
globalwinon(ch);