Last post was more along the lines of an announcement, so here’s a more concrete guide. There have been new releases of most parts of the software stack in the past few days, so now is the time to grab them if you’re interested. Libgpod is the exception, since it’s still being worked on to get proper support for the iPhone OS 3.x database. That said, if you’re interested in being an early adopter of iPhone sync support and helping us test it, here’s how.
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Those who watch my git repos may have noticed that I’ve been working on this for a while now. iPhones and iPod Touches have never been properly supported under Linux (especially non-jailbroken devices) because they are just so different from all the previous iPod models. There was a lot of new code to write and Apple hasn’t exactly made it easy either:

• The iPhone uses a custom USB communications protocol, connection-oriented, which is totally different from standard mass storage devices
• It provides multiple services over this protocol, and many have to be interacted with to complete sync
• iPhone OS 2.x brought us a new hash (designed to lock users into iTunes) that so far had not been reverse engineered
• iPhone OS 3.x brought us a new SQLite-based database format which, although a lot more Linux-friendly than the old proprietary format, does require a bunch of new code (and the old format still needs to be supported for compatibility).

Well, I’m happy to say that all of this is coming to an end and that Linux will finally get quite complete iPhone/iPod Touch syncing support soon, thanks to the work of many dedicated people. (more…)

I’ll eventually write a longer post about how different bits and pieces of this laptop’s hardware fare under Linux. For now, I’ve managed to strike one of the more annoying issues: proper audio. Scroll down if you’re impatient and want the code; read on if you want the full story.

This laptop is peculiar because it has built-in “5.1″ audio. Yes, it does really have 6 speakers, though you’d be hard pressed to get much spatial separation out of them (and they aren’t even placed around symmetrically). However, the speakers do end up making a very decent multiway audio system, by laptop standards: the “rear” pair (which is actually between the keyboard and the screen; the mind boggles) is good with the high end, the “front” and center speakers (front edge of the laptop) are your average mediocre speakers that can handle mid-end, and the “Tuba” not-so-”sub” woofer fills in enough low-end to equal a decent overall speaker, although of course with zero stereo/spatial separation since there’s only one of it (actual subwoofers can pull off mono because the human ear can’t really hear spatial position at low frequencies, but the Tuba is more like the only non-sucky speaker in the entire laptop).

What this boils down to is that you really want good audio support for all 6 speakers if you want to take advantage of the audio capabilities at all. Most importantly, stereo needs to be upmixed and a good portion of the normal audio needs to be routed to the Tuba. ALSA’s asound.conf makes this easy, assuming the actual hardware works fine. Of course, that’s not the case.
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