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epca: Add infinite break support

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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>
This commit is contained in:
Alan Cox 2008-10-17 20:28:25 +01:00 committed by Linus Torvalds
parent 45e4a24f7b
commit 252883e512
1 changed files with 5 additions and 1 deletions
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6
drivers/char/epca.c
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@ -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);