On Sun, 16 Dec 2018 20:07:30 +0100 Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > Hi, > > On 16-12-18 19:54, Stephan Gerhold wrote: [...] > > Unlike many of the other DSDT dumps I've looked at, there is only one > > interrupt listed. Full ACPI DSDT table is at [1]. > > > > Since there is no IRQ at index 5, platform_get_irq will return -ENXIO. > > Couldn't we fall back to index 0 in this case? I would say that if the > > seemingly "correct" IRQ at index 5 does not even exist, we still have > > a better chance of picking the right one if we try the one at index 0. > > Or we could check the number of interrupts that are actually available. > > If I'm not mistaken then you already mentioned in another thread > (the "tusb1210 probe of dwc3.0.auto.ulpi fails with EBUSY on 4.19+") > thread that the DSTD of this Andriod only device has several bugs in > there such as wrong GPIOs in some places, etc. and you need to do a > DSDT override anyways to get some things to work, right ? > > In that case I believe it would be best to just also patch up this > part of the DSDT in your override and leave the current kernel code > as is. > FWIW that is what I did when playing with a Teclast X98 Air 3G some years ago, see: https://git.ao2.it/Teclast-X98-Air-3G_C6J6_custom_DSDT.git/ In my case I just had to fix the ordering: https://git.ao2.it/Teclast-X98-Air-3G_C6J6_custom_DSDT.git/commitdiff/f718ea7d184cf266d7b5453124139b1c627221e6 It's been a while tho, I just committed and pushed the change now because I had forgotten back in the day. The Makefile in the repository contains some pointers about how to build a DSDT override, what is missing is that you still have to manually append the original initrd to the file created by the Makefile. Ciao, Antonio -- Antonio Ospite https://ao2.it https://twitter.com/ao2it A: Because it messes up the order in which people normally read text. See http://en.wikipedia.org/wiki/Posting_style Q: Why is top-posting such a bad thing? _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
