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Old 10-31-2013, 10:55 AM   #18
twobob
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Posts: 6,586
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Join Date: Jun 2012
Location: uti gratia usura (Yao ying da ying; Mo ying da yieng)
Device: PW-WIFI|K5-3G+WIFI| K4|K3-3G|DXG|K2| Rooted Nook Touch
Force refresh on Later devices
echo 1> /sys/devices/platform/mxc_epdc_fb/mxc_epdc_update

attempting to get some output about the underlying device possibilities..
[root@kindle root]# echo -1> /sys/devices/platform/mxc_epdc_fb/mxc_epdc_debug
Quote:
[!]131031:145649 Requested waveforms: mode: 0x101 __ BW: 0x0 __ Gray : 0x0
[!]131031:145649 Converted waveforms: mode: 0x101 __ BW: 0x1 __ Gray : 0x2
[!]131031:145649 WAVEFORM_AUTO: PXP returns hist_stat = 0x8 and waveform is 0x2
digging around to add dithering to the module...
https://gitorious.org/efikamx/linux-.../mxc_epdc_fb.c

derping the panning module (it has a 4 times Y size)

[root@kindle root]# echo 0,200> /sys/devices/platform/mxc_epdc_fb/graphics/fb0/pan
[root@kindle root]# echo 1> /sys/devices/platform/mxc_epdc_fb/mxc_epdc_update


and back again
[root@kindle root]# echo 0,0> /sys/devices/platform/mxc_epdc_fb/graphics/fb0/pan
[root@kindle root]# echo 1> /sys/devices/platform/mxc_epdc_fb/mxc_epdc_update


[root@kindle root]# cat /sys/devices/platform/mxc_epdc_fb/driver/module/parameters/waveform_to_use
stored
[root@kindle root]# cat /sys/devices/platform/mxc_epdc_fb/driver/module/parameters/use_builtin_cmap
0
[root@kindle root]# cat /sys/devices/platform/mxc_epdc_fb/driver/module/parameters/default_update_mode
1
[root@kindle root]# cat /sys/devices/platform/mxc_epdc_fb/driver/module/parameters/default_panel_hw_init
1


would THIS be a likely place to add our custom code???
https://gitorious.org/efikamx/linux-...pdc_fb.c#L1271

Last edited by twobob; 10-31-2013 at 11:45 AM.
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