Date: Sun, 15 Aug 2010 17:48:42 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 182430 for review Message-ID: <201008151748.o7FHmgWO003661@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@182430?ac=10 Change 182430 by hselasky@hselasky_laptop001 on 2010/08/15 17:47:47 USB serial: - fix forwarding of Line Register Status changes to TTY layer. PR: usb/149675 Affected files ... .. //depot/projects/usb/src/sys/dev/usb/serial/usb_serial.c#19 edit Differences ... ==== //depot/projects/usb/src/sys/dev/usb/serial/usb_serial.c#19 (text+ko) ==== @@ -942,6 +942,7 @@ uint8_t new_msr; uint8_t new_lsr; uint8_t onoff; + uint8_t lsr_delta; tp = sc->sc_tty; @@ -965,6 +966,7 @@ return; } onoff = ((sc->sc_msr ^ new_msr) & SER_DCD); + lsr_delta = (sc->sc_lsr ^ new_lsr); sc->sc_msr = new_msr; sc->sc_lsr = new_lsr; @@ -977,6 +979,27 @@ ttydisc_modem(tp, onoff); } + + if ((lsr_delta & ULSR_BI) && (sc->sc_lsr & ULSR_BI)) { + + DPRINTF("BREAK detected\n"); + + ttydisc_rint(tp, 0, TRE_BREAK); + } + + if ((lsr_delta & ULSR_FE) && (sc->sc_lsr & ULSR_FE)) { + + DPRINTF("Frame error detected\n"); + + ttydisc_rint(tp, 0, TRE_FRAMING); + } + + if ((lsr_delta & ULSR_PE) && (sc->sc_lsr & ULSR_PE)) { + + DPRINTF("Parity error detected\n"); + + ttydisc_rint(tp, 0, TRE_PARITY); + } } void
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