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path: root/drivers/usb/serial
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Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/cp210x.c21
-rw-r--r--drivers/usb/serial/ftdi_sio.c3
-rw-r--r--drivers/usb/serial/option.c7
3 files changed, 29 insertions, 2 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 698252a4dc5..bd254ec97d1 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -50,6 +50,8 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *,
static void cp210x_break_ctl(struct tty_struct *, int);
static int cp210x_startup(struct usb_serial *);
static void cp210x_disconnect(struct usb_serial *);
+static void cp210x_dtr_rts(struct usb_serial_port *p, int on);
+static int cp210x_carrier_raised(struct usb_serial_port *p);
static int debug;
@@ -143,6 +145,8 @@ static struct usb_serial_driver cp210x_device = {
.tiocmset = cp210x_tiocmset,
.attach = cp210x_startup,
.disconnect = cp210x_disconnect,
+ .dtr_rts = cp210x_dtr_rts,
+ .carrier_raised = cp210x_carrier_raised
};
/* Config request types */
@@ -746,6 +750,14 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *file,
return cp210x_set_config(port, CP210X_SET_MHS, &control, 2);
}
+static void cp210x_dtr_rts(struct usb_serial_port *p, int on)
+{
+ if (on)
+ cp210x_tiocmset_port(p, NULL, TIOCM_DTR|TIOCM_RTS, 0);
+ else
+ cp210x_tiocmset_port(p, NULL, 0, TIOCM_DTR|TIOCM_RTS);
+}
+
static int cp210x_tiocmget (struct tty_struct *tty, struct file *file)
{
struct usb_serial_port *port = tty->driver_data;
@@ -768,6 +780,15 @@ static int cp210x_tiocmget (struct tty_struct *tty, struct file *file)
return result;
}
+static int cp210x_carrier_raised(struct usb_serial_port *p)
+{
+ unsigned int control;
+ cp210x_get_config(p, CP210X_GET_MDMSTS, &control, 1);
+ if (control & CONTROL_DCD)
+ return 1;
+ return 0;
+}
+
static void cp210x_break_ctl (struct tty_struct *tty, int break_state)
{
struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 9c60d6d4908..ebcc6d0e2e9 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1937,7 +1937,7 @@ static void ftdi_write_bulk_callback(struct urb *urb)
return;
}
/* account for transferred data */
- countback = urb->actual_length;
+ countback = urb->transfer_buffer_length;
data_offset = priv->write_offset;
if (data_offset > 0) {
/* Subtract the control bytes */
@@ -1950,7 +1950,6 @@ static void ftdi_write_bulk_callback(struct urb *urb)
if (status) {
dbg("nonzero write bulk status received: %d", status);
- return;
}
usb_serial_port_softint(port);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index cd44c68954d..0577e4b6111 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -308,6 +308,7 @@ static int option_resume(struct usb_serial *serial);
#define DLINK_VENDOR_ID 0x1186
#define DLINK_PRODUCT_DWM_652 0x3e04
+#define DLINK_PRODUCT_DWM_652_U5 0xce16
#define QISDA_VENDOR_ID 0x1da5
#define QISDA_PRODUCT_H21_4512 0x4512
@@ -335,6 +336,10 @@ static int option_resume(struct usb_serial *serial);
#define AIRPLUS_VENDOR_ID 0x1011
#define AIRPLUS_PRODUCT_MCD650 0x3198
+/* 4G Systems products */
+#define FOUR_G_SYSTEMS_VENDOR_ID 0x1c9e
+#define FOUR_G_SYSTEMS_PRODUCT_W14 0x9603
+
static struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -586,6 +591,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
+ { USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
@@ -597,6 +603,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
+ { USB_DEVICE(FOUR_G_SYSTEMS_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);