1 files changed, 13 insertions, 6 deletions

diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index a59eac584d16..4d745a89504f 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -329,7 +329,7 @@ static inline void drop_rts(struct isi_port *port)
 
 /* card->lock MUST NOT be held */
 
-static void isicom_raise_dtr_rts(struct tty_port *port)
+static void isicom_dtr_rts(struct tty_port *port, int on)
 {
         struct isi_port *ip = container_of(port, struct isi_port, port);
         struct isi_board *card = ip->card;
@@ -339,10 +339,17 @@ static void isicom_raise_dtr_rts(struct tty_port *port)
         if (!lock_card(card))
                 return;
 
-        outw(0x8000 | (channel << card->shift_count) | 0x02, base);
-        outw(0x0f04, base);
-        InterruptTheCard(base);
-        ip->status |= (ISI_DTR | ISI_RTS);
+        if (on) {
+                outw(0x8000 | (channel << card->shift_count) | 0x02, base);
+                outw(0x0f04, base);
+                InterruptTheCard(base);
+                ip->status |= (ISI_DTR | ISI_RTS);
+        } else {
+                outw(0x8000 | (channel << card->shift_count) | 0x02, base);
+                outw(0x0C04, base);
+                InterruptTheCard(base);
+                ip->status &= ~(ISI_DTR | ISI_RTS);
+        }
         unlock_card(card);
 }
 
@@ -1339,7 +1346,7 @@ static const struct tty_operations isicom_ops = {
 
 static const struct tty_port_operations isicom_port_ops = {
         .carrier_raised         = isicom_carrier_raised,
-        .raise_dtr_rts          = isicom_raise_dtr_rts,
+        .dtr_rts                = isicom_dtr_rts,
 };
 
 static int __devinit reset_card(struct pci_dev *pdev,