[PATCH 3/4] cdc-acm: log message for serial state notification

From: Tobias Herzog
Date: Tue Mar 14 2017 - 16:15:55 EST


Adds a similar log message to USB_CDC_NOTIFY_SERIAL_STATE as it is
already done with USB_CDC_NOTIFY_NETWORK_CONNECTION.

Signed-off-by: Tobias Herzog <t-herzog@xxxxxx>
---
drivers/usb/class/cdc-acm.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index b99127e..2402b26 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -303,6 +303,8 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf)
}

newctrl = get_unaligned_le16(data);
+ dev_dbg(&acm->control->dev,
+ "%s - serial state: 0x%x\n", __func__, newctrl);

if (!acm->clocal && (acm->ctrlin & ~newctrl & ACM_CTRL_DCD)) {
dev_dbg(&acm->control->dev,
--
2.1.4