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authorJörg Frings-Fürst <debian@jff-webhosting.net>2015-09-27 08:20:20 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2015-09-27 08:20:20 +0200
commite94622c319e4307617b202f19d3ec05b21a9bb49 (patch)
treec5ddf44352b9bd47aeb3eb432ba79638079efe25 /backend/genesys_gl841.c
parent6f2255c9648b175d51e2c8e5e9670557f9dc4ee1 (diff)
merge to 1.0.25+git20150927
Diffstat (limited to 'backend/genesys_gl841.c')
-rw-r--r--backend/genesys_gl841.c77
1 files changed, 41 insertions, 36 deletions
diff --git a/backend/genesys_gl841.c b/backend/genesys_gl841.c
index 318def8..2b16c67 100644
--- a/backend/genesys_gl841.c
+++ b/backend/genesys_gl841.c
@@ -2381,56 +2381,60 @@ gl841_init_optical_regs_scan(Genesys_Device * dev,
/* AFEMOD should depend on FESET, and we should set these
* bits separately */
r->value &= ~(REG04_FILTER | REG04_AFEMOD);
- if (channels == 1)
+ if (flags & OPTICAL_FLAG_ENABLE_LEDADD)
+ {
+ r->value |= 0x10; /* no filter */
+ }
+ else if (channels == 1)
{
switch (color_filter)
- {
- case 0:
- r->value |= 0x14; /* red filter */
- break;
- case 1:
- r->value |= 0x18; /* green filter */
- break;
- case 2:
- r->value |= 0x1c; /* blue filter */
- break;
- default:
- r->value |= 0x10; /* no filter */
- break;
- }
- }
- else
- {
+ {
+ case 0:
+ r->value |= 0x14; /* red filter */
+ break;
+ case 1:
+ r->value |= 0x18; /* green filter */
+ break;
+ case 2:
+ r->value |= 0x1c; /* blue filter */
+ break;
+ default:
+ r->value |= 0x10; /* no filter */
+ break;
+ }
+ }
+ else
+ {
if (dev->model->ccd_type == CCD_PLUSTEK_3600)
{
r->value |= 0x22; /* slow color pixel by pixel */
}
- else
+ else
{
r->value |= 0x10; /* color pixel by pixel */
}
- }
-
+ }
+
/* CIS scanners can do true gray by setting LEDADD */
r = sanei_genesys_get_address (reg, 0x87);
r->value &= ~REG87_LEDADD;
if (flags & OPTICAL_FLAG_ENABLE_LEDADD)
{
r->value |= REG87_LEDADD;
- sanei_genesys_get_double(reg,REG_EXPR,&expr);
- sanei_genesys_get_double(reg,REG_EXPG,&expg);
- sanei_genesys_get_double(reg,REG_EXPG,&expb);
-
- /* use minimal expousre for best image quality */
- expavg=expg;
- if(expr<expg)
- expavg=expr;
- if(expb<expavg)
- expavg=expb;
-
- sanei_genesys_set_double(dev->reg,REG_EXPR,expavg);
- sanei_genesys_set_double(dev->reg,REG_EXPG,expavg);
- sanei_genesys_set_double(dev->reg,REG_EXPB,expavg);
+ sanei_genesys_get_double (reg, REG_EXPR, &expr);
+ sanei_genesys_get_double (reg, REG_EXPG, &expg);
+ sanei_genesys_get_double (reg, REG_EXPB, &expb);
+
+ /* use minimal exposure for best image quality */
+ expavg = expg;
+ if (expr < expg)
+ expavg = expr;
+ if (expb < expavg)
+ expavg = expb;
+
+ sanei_genesys_set_double (dev->reg, REG_EXPR, expavg);
+ sanei_genesys_set_double (dev->reg, REG_EXPG, expavg);
+ sanei_genesys_set_double (dev->reg, REG_EXPB, expavg);
}
/* enable gamma tables */
@@ -2451,7 +2455,7 @@ gl841_init_optical_regs_scan(Genesys_Device * dev,
sanei_genesys_set_double(reg, REG_ENDPIXEL, end);
DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d\n",__FUNCTION__,start,end);
-/* words(16bit) before gamma, conversion to 8 bit or lineart*/
+ /* words(16bit) before gamma, conversion to 8 bit or lineart*/
words_per_line = (pixels * dpiset) / gl841_get_dpihw(dev);
words_per_line *= channels;
@@ -4487,6 +4491,7 @@ gl841_init_regs_for_scan (Genesys_Device * dev)
if(dev->model->is_cis && dev->settings.true_gray
&& dev->settings.scan_mode != SCAN_MODE_COLOR)
{
+ DBG (DBG_io, "%s: activating LEDADD\n", __FUNCTION__);
flags |= SCAN_FLAG_ENABLE_LEDADD;
}