Support and General Use > Hardware
WM8731L codec, low volume and sound distortions
lowlight:
Everything looks good with a few minor corrections. Good to hear sound!
I believe we are missing a gpio pin for proper sound output (headphone amp, maybe). There was a similar issue when porting rockbox to the m:robe 100. I see the H10 (which also uses the WM8731) does his in audiohw_postinit(), but unfortunately the same gpio bit doen't work here.
What's the difference between the HDD1620 and HDD1630?
Has this been tested on a HDD6330? (since you changed the model name in the config file.)
Also, you should send a "Ladies and Gentlemen..." email to the mailing lists (see, http://www.rockbox.org/twiki/bin/view/Main/GentlemenMails)
I'll try to commit it all this week.
lifeless:
Great, thanks for the info about preamp, I just did not thought about it.
Service manual is the same for models HDD1420/00 HDD1620/00/05 HDD1630 HDD1635/17
14xx is 4Gb models, 16xx is 6Gb models, "xx" digits and digits after slash is for different regions I guess.
And 63xx have the same hardware except touchpad, different PCB and HDD (30Gb) bigger form-factor and capacity.
I have not tested it on 6330, because I have not this model, but as hardware is the same, it should work.
Yea touchpad is different, I don't know is it worth to add new model because of touchpad or not.
We can just add another keymap in the future?
Wiki say that 6330 have RTC.
http://www.rockbox.org/twiki/bin/view/Main/GoGearHDD6330
I will continue reversing OF for preamp and touchpad.
PS going to subscribe for rockbox-dev
JdGordon:
if its different hardware you probably do want to create a new target
lifeless:
Sure guys, you know what is better =)
I missed that there should be different gpios too.
Touchpad hardware is the same, but there is more tp buttons.
CPU and sound chip the same and there is RTC, what it's for?
I'll try to get service manual for 6330 and check better.
JdGordon:
RTC is real time clock (i.e it can tell the time...), and if there are more buttons its very likely that the keymaps will be slightly different, so yeah a separate target is definitely needed.
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