ChangeSet 1.1332.11.6, 2003/06/20 11:29:56-07:00, greg@kroah.com
[PATCH] USB: pl2303: add ability to report CTS and DSR status to userspace
drivers/usb/serial/pl2303.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletion(-)
diff -Nru a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
--- a/drivers/usb/serial/pl2303.c Tue Jun 24 15:29:39 2003
+++ b/drivers/usb/serial/pl2303.c Tue Jun 24 15:29:39 2003
@@ -537,16 +537,20 @@
struct pl2303_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
unsigned int mcr;
+ unsigned int status;
unsigned int result;
dbg("%s (%d)", __FUNCTION__, port->number);
spin_lock_irqsave (&priv->lock, flags);
mcr = priv->line_control;
+ status = priv->line_status;
spin_unlock_irqrestore (&priv->lock, flags);
result = ((mcr & CONTROL_DTR) ? TIOCM_DTR : 0)
- | ((mcr & CONTROL_RTS) ? TIOCM_RTS : 0);
+ | ((mcr & CONTROL_RTS) ? TIOCM_RTS : 0)
+ | ((status & UART_CTS) ? TIOCM_CTS : 0)
+ | ((status & UART_DSR) ? TIOCM_DSR : 0);
dbg("%s - result = %x", __FUNCTION__, result);