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| /linux/drivers/usb/serial/ |
| H A D | ch341.c | diff 030ee7ae52a46a2be52ccc8242c4a330aba8d38e Fri Jan 06 19:15:12 CET 2017 Johan Hovold <johan@kernel.org> USB: serial: ch341: fix modem-control and B0 handling
The modem-control signals are managed by the tty-layer during open and
should not be asserted prematurely when set_termios is called from
driver open.
Also make sure that the signals are asserted only when changing speed
from B0.
Fixes: 664d5df92e88 ("USB: usb-serial ch341: support for DTR/RTS/CTS")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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