USB: ssu100: add register parameter to ssu100_setregister
The function ssu100_setregister was hard coded to only set the MCR register. Add a register parameter so that other registers can be set. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -127,9 +127,10 @@ static inline int ssu100_getregister(struct usb_device *dev,
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static inline int ssu100_setregister(struct usb_device *dev,
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unsigned short uart,
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unsigned short reg,
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u16 data)
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{
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u16 value = (data << 8) | UART_MCR;
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u16 value = (data << 8) | reg;
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return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
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QT_SET_GET_REGISTER, 0x40, value, uart,
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@ -159,7 +160,7 @@ static inline int update_mctrl(struct usb_device *dev, unsigned int set,
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if (set & TIOCM_RTS)
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urb_value |= UART_MCR_RTS;
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result = ssu100_setregister(dev, 0, urb_value);
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result = ssu100_setregister(dev, 0, UART_MCR, urb_value);
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if (result < 0)
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dbg("%s Error from MODEM_CTRL urb", __func__);
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@ -529,7 +530,7 @@ static void ssu100_dtr_rts(struct usb_serial_port *port, int on)
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if (!port->serial->disconnected) {
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/* Disable flow control */
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if (!on &&
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ssu100_setregister(dev, 0, 0) < 0)
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ssu100_setregister(dev, 0, UART_MCR, 0) < 0)
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dev_err(&port->dev, "error from flowcontrol urb\n");
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/* drop RTS and DTR */
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if (on)
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