Staging: comedi: amplc_pc236: Corrected documentation.

Interrupt is triggered by rising edge on port C bit 3 (not bit 7).

From: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ian Abbott
2009-04-14 11:06:27 -04:00
committed by Greg Kroah-Hartman
parent 4bde29ed22
commit 0d6e5dad12

View File

@@ -27,7 +27,7 @@ Driver: amplc_pc236
Description: Amplicon PC36AT, PCI236 Description: Amplicon PC36AT, PCI236
Author: Ian Abbott <abbotti@mev.co.uk> Author: Ian Abbott <abbotti@mev.co.uk>
Devices: [Amplicon] PC36AT (pc36at), PCI236 (pci236 or amplc_pc236) Devices: [Amplicon] PC36AT (pc36at), PCI236 (pci236 or amplc_pc236)
Updated: Wed, 22 Oct 2008 13:40:03 +0100 Updated: Wed, 01 Apr 2009 15:41:25 +0100
Status: works Status: works
Configuration options - PC36AT: Configuration options - PC36AT:
@@ -45,7 +45,7 @@ as subdevice 0.
Subdevice 1 pretends to be a digital input device, but it always returns Subdevice 1 pretends to be a digital input device, but it always returns
0 when read. However, if you run a command with scan_begin_src=TRIG_EXT, 0 when read. However, if you run a command with scan_begin_src=TRIG_EXT,
a rising edge on port C bit 7 acts as an external trigger, which can be a rising edge on port C bit 3 acts as an external trigger, which can be
used to wake up tasks. This is like the comedi_parport device, but the used to wake up tasks. This is like the comedi_parport device, but the
only way to physically disable the interrupt on the PC36AT is to remove only way to physically disable the interrupt on the PC36AT is to remove
the IRQ jumper. If no interrupt is connected, then subdevice 1 is the IRQ jumper. If no interrupt is connected, then subdevice 1 is