diff options
Diffstat (limited to 'drv_generic_parport.c')
| -rw-r--r-- | drv_generic_parport.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drv_generic_parport.c b/drv_generic_parport.c index 5ec6bbd..945a573 100644 --- a/drv_generic_parport.c +++ b/drv_generic_parport.c @@ -1,4 +1,4 @@ -/* $Id: drv_generic_parport.c,v 1.11 2004/09/18 15:58:57 reinelt Exp $ +/* $Id: drv_generic_parport.c,v 1.12 2005/01/06 16:54:54 reinelt Exp $ * * generic driver helper for serial and parport access * @@ -23,6 +23,9 @@ * * * $Log: drv_generic_parport.c,v $ + * Revision 1.12 2005/01/06 16:54:54 reinelt + * M50530 fixes + * * Revision 1.11 2004/09/18 15:58:57 reinelt * even more HD44780 cleanups, hardwiring for LCM-162 * @@ -426,11 +429,11 @@ void drv_generic_parport_toggle (const unsigned char bits, const int level, cons /* any signal affected? */ /* Note: this may happen in case a signal is hardwired to GND */ - if (bits==0) return; + if (bits == 0) return; /* prepare value */ - value1=level?bits:0; - value2=level?0:bits; + value1 = level ? bits : 0; + value2 = level ? 0 : bits; /* Strobe, Select and AutoFeed are inverted! */ value1 = bits & (value1 ^ (PARPORT_CONTROL_STROBE|PARPORT_CONTROL_SELECT|PARPORT_CONTROL_AUTOFD)); @@ -440,18 +443,19 @@ void drv_generic_parport_toggle (const unsigned char bits, const int level, cons #ifdef WITH_PPDEV if (PPdev) { struct ppdev_frob_struct frob; - frob.mask=bits; - + frob.mask = bits; + /* rise */ - frob.val=value1; + frob.val = value1; ioctl (PPfd, PPFCONTROL, &frob); - + /* pulse width */ ndelay(delay); - + /* lower */ - frob.val=value2; + frob.val = value2; ioctl (PPfd, PPFCONTROL, &frob); + } else #endif { |