1 files changed, 15 insertions, 15 deletions

diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c
index 349945e064bb..cb523f118f04 100644
--- a/drivers/usb/gadget/function/f_acm.c
+++ b/drivers/usb/gadget/function/f_acm.c
@@ -57,18 +57,8 @@ struct f_acm {
 
 	/* SetControlLineState request -- CDC 1.1 section 6.2.14 (INPUT) */
 	u16				port_handshake_bits;
-#define ACM_CTRL_RTS	(1 << 1)	/* unused with full duplex */
-#define ACM_CTRL_DTR	(1 << 0)	/* host is ready for data r/w */
-
 	/* SerialState notification -- CDC 1.1 section 6.3.5 (OUTPUT) */
 	u16				serial_state;
-#define ACM_CTRL_OVERRUN	(1 << 6)
-#define ACM_CTRL_PARITY		(1 << 5)
-#define ACM_CTRL_FRAMING	(1 << 4)
-#define ACM_CTRL_RI		(1 << 3)
-#define ACM_CTRL_BRK		(1 << 2)
-#define ACM_CTRL_DSR		(1 << 1)
-#define ACM_CTRL_DCD		(1 << 0)
 };
 
 static inline struct f_acm *func_to_acm(struct usb_function *f)
@@ -333,6 +323,8 @@ static void acm_complete_set_line_coding(struct usb_ep *ep,
 	}
 }
 
+static int acm_send_break(struct gserial *port, int duration);
+
 static int acm_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
 {
 	struct f_acm		*acm = func_to_acm(f);
@@ -385,12 +377,20 @@ static int acm_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
 		value = 0;
 
 		/* FIXME we should not allow data to flow until the
-		 * host sets the ACM_CTRL_DTR bit; and when it clears
+		 * host sets the USB_CDC_CTRL_DTR bit; and when it clears
 		 * that bit, we should return to that no-flow state.
 		 */
 		acm->port_handshake_bits = w_value;
 		break;
 
+	case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
+			| USB_CDC_REQ_SEND_BREAK:
+		if (w_index != acm->ctrl_id)
+			goto invalid;
+
+		acm_send_break(&acm->port, w_value);
+		break;
+
 	default:
 invalid:
 		dev_vdbg(&cdev->gadget->dev,
@@ -575,7 +575,7 @@ static void acm_connect(struct gserial *port)
 {
 	struct f_acm		*acm = port_to_acm(port);
 
-	acm->serial_state |= ACM_CTRL_DSR | ACM_CTRL_DCD;
+	acm->serial_state |= USB_CDC_SERIAL_STATE_DSR | USB_CDC_SERIAL_STATE_DCD;
 	acm_notify_serial_state(acm);
 }
 
@@ -583,7 +583,7 @@ static void acm_disconnect(struct gserial *port)
 {
 	struct f_acm		*acm = port_to_acm(port);
 
-	acm->serial_state &= ~(ACM_CTRL_DSR | ACM_CTRL_DCD);
+	acm->serial_state &= ~(USB_CDC_SERIAL_STATE_DSR | USB_CDC_SERIAL_STATE_DCD);
 	acm_notify_serial_state(acm);
 }
 
@@ -593,9 +593,9 @@ static int acm_send_break(struct gserial *port, int duration)
 	u16			state;
 
 	state = acm->serial_state;
-	state &= ~ACM_CTRL_BRK;
+	state &= ~USB_CDC_SERIAL_STATE_BREAK;
 	if (duration)
-		state |= ACM_CTRL_BRK;
+		state |= USB_CDC_SERIAL_STATE_BREAK;
 
 	acm->serial_state = state;
 	return acm_notify_serial_state(acm);