Signed-off-by: Grigori Goronzy <greg@xxxxxxxxxxxx>
---
drivers/usb/serial/ch341.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 1ab4384..db4b561 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -61,6 +61,7 @@
* the Net/FreeBSD uchcom.c driver by Takanori Watanabe. Domo arigato.
*/
+#define CH341_MODEM_CTRL 0xA4
#define CH341_REQ_WRITE_REG 0x9A
#define CH341_REQ_READ_REG 0x95
#define CH341_REG_BREAK1 0x05
@@ -162,7 +163,7 @@ static int ch341_set_baudrate(struct usb_device *dev,
static int ch341_set_handshake(struct usb_device *dev, u8 control)
{
- return ch341_control_out(dev, 0xa4, ~control, 0);
+ return ch341_control_out(dev, CH341_MODEM_CTRL, ~control, 0);
}
static int ch341_get_status(struct usb_device *dev, struct ch341_private *priv)
--
1.9.1
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