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USB-serial: pl2303: add space/mark parity

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The device supports it, so why not use it ? Works fine !

Signed-off-by: Frank Schaefer <schaefer.frank@gmx.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Frank Schaefer
2009-08-18 20:31:11 +02:00
committed by Greg Kroah-Hartman
parent 25b8286805
commit 6dd81b45fd
1 changed files with 14 additions and 4 deletions
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10
drivers/usb/serial/pl2303.c
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@@ -636,12 +636,22 @@ static void pl2303_set_termios(struct tty_struct *tty,
/* For reference buf[5]=3 is mark parity */ /* For reference buf[5]=3 is mark parity */
/* For reference buf[5]=4 is space parity */ /* For reference buf[5]=4 is space parity */
if (cflag & PARODD) { if (cflag & PARODD) {
if (cflag & CMSPAR) {
buf[5] = 3;
dbg("%s - parity = mark", __func__);
} else {
buf[5] = 1; buf[5] = 1;
dbg("%s - parity = odd", __func__); dbg("%s - parity = odd", __func__);
}
} else {
if (cflag & CMSPAR) {
buf[5] = 4;
dbg("%s - parity = space", __func__);
} else { } else {
buf[5] = 2; buf[5] = 2;
dbg("%s - parity = even", __func__); dbg("%s - parity = even", __func__);
} }
}
} else { } else {
buf[5] = 0; buf[5] = 0;
dbg("%s - parity = none", __func__); dbg("%s - parity = none", __func__);