Nick, To disable teh HDMI audio you would do that via uEnv.txt on the boot partition.
In the file you add . . optargs=capemgr.disable_partno=BB-BONELT-HDMIN This assumes you're using kernel version 3.8.x On Sun, Feb 23, 2014 at 8:25 PM, Nick Smith <[email protected]>wrote: > Hi, Gerald, > > I want 1600 x 900, how do I set the TDA19988 to accept this in 'DVI' mode > only, no audio. > > > I don't want 1920x1080, I just pointed out that as an example :-) > > Thanks > > Nick > > On Sunday, 23 February 2014 10:00:11 UTC+8, Gerald wrote: > >> 1920x1080@24 works fine. @60, well, that is not possible. >> > > > >> >> Gerald >> >> >> >> On Sat, Feb 22, 2014 at 5:45 PM, Nick Smith <[email protected]>wrote: >> >>> Hi, >>> 1. I cannot find any information on the 16:9 formatted >>> displays for 1600:900 lcd displays. The datasheet for the HDMI controller >>> chip TDA19988 >>> is very allusive for some reason, got my hands on the TDA19983 data >>> sheet though >>> 2. I did my calculations 1600x900x60Hz =86.4 Mhz just over >>> the edge as regards the 85Mhz for hdmi audio. But I don't need audio. I >>> just want to >>> drive the HDMI in "DVI' mode dropping the audio. There is a >>> lot of chatter about theoretical possibility of 1920x1080 @ 60Hz, but >>> no mention on how it's >>> accomplished so I can use it as a guide >>> >>> >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
