please file a bug report so this does not get dropped.
allan
On Mon, Feb 7, 2011 at 5:41 PM, Claus Boje <claus at egehuset.dk> wrote:
> There is a problem with the resolution setup for Epson perfection 4990 (and
> 4870 I think). Because of buggy firmware it do not give the resolutions over
> 3200, but it too have 4800, 6400,9600,12800. It is important to have especial
> 4800 (and 9600) because the are not ?interpolated.
>
> Here is a patch with a solution in epson2-ops.c about line 230
>
> if (dev->dpi_range.max > dev->res_list[dev->res_list_size - 1]) {
>
> ? ? ? ? ? ? ? ?/*
> ? ? ? ? ? ? ? ? * Setup the right dpi for
> ? ? ? ? ? ? ? ? * Image Scanner Perfection 4870/4990 (GT-X700/GT-X800)
> ? ? ? ? ? ? ? ? * EPSON Programming guide for
> ? ? ? ? ? ? ? ? * EPSON Color Image Scanner Perfection 4870/4990
> ? ? ? ? ? ? ? ? */
> ? ? ? ? ? ? ? ?if (e2_dev_model(dev, "GT-X800")
> ? ? ? ? ? ? ? ? ? ?|| e2_dev_model(dev, "GT-X700")) {
> ? ? ? ? ? ? ? ? ? ? ? ?DBG(1, "integrating resolution list
> (4800,6400,9600,12800)\n");
> ? ? ? ? ? ? ? ? ? ? ? ?e2_add_resolution(dev, 4800);
> ? ? ? ? ? ? ? ? ? ? ? ?e2_add_resolution(dev, 6400);
> ? ? ? ? ? ? ? ? ? ? ? ?e2_add_resolution(dev, 9600);
> ? ? ? ? ? ? ? ? ? ? ? ?e2_add_resolution(dev, 12800);
> ? ? ? ? ? ? ? ?}
> ? ? ? ? ? ? ? ?else {
>
> ? ? ? ? ? ? ? ? ? ? ? ?int val = dev->res_list[dev->res_list_size - 1] * 2;
>
> ? ? ? ? ? ? ? ? ? ? ? ?DBG(1, "integrating resolution list (%d-%d)\n",
> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?val, dev->dpi_range.max);
>
> ? ? ? ? ? ? ? ? ? ? ? ?while (val <= dev->dpi_range.max) {
> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?e2_add_resolution(dev, val);
> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?val *= 2;
> ? ? ? ? ? ? ? ? ? ? ? ?}
> ? ? ? ? ? ? ? ?}
> }
>
> Regards
> Claus
>
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