[sane-devel] Question on Parallel port devices

Olaf Meeuwissen paddy-hack at member.fsf.org
Mon Jan 14 12:46:18 GMT 2019

Hi Daniel,

Daniel Glöckner writes:

> Hi,
> On Sat, Jan 12, 2019 at 08:40:42PM +0000, Mauricio Hunt wrote:
>> [    7.130079] parport0: PC-style at 0xd020, irq 26 [PCSPP]
>> so the parallel port is there and 'active' at 0xd020, using that IO address in the procedure above gives no results, the scan front-end (scanlite, xsane, etc..) or by shell command returns that there are no devices found.
> the pio_open function in sanei_pio.c uses ioperm() to request access
> to those io ports, but ioperm only works up to io port 0x3ff. For
> higher port addresses iopl() must be used.

Would you be able to contribute a patch?

Hope this helps,
Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
 GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13  F43E B8A4 A88A F84A 2DD9
 Support Free Software                        https://my.fsf.org/donate
 Join the Free Software Foundation              https://my.fsf.org/join

More information about the sane-devel mailing list