On Mon, Mar 16, 2015 at 11:50 AM, Mario Limonciello
<mario_limonciello@xxxxxxxx> wrote:
>
> On 03/16/2015 12:10 PM, Jason Ekstrand wrote:
>>
>> On Mon, Mar 16, 2015 at 7:29 AM, Mario Limonciello
>> <mario_limonciello@xxxxxxxx> wrote:
>> It's nothing about the wireless. I swapped it out for an intel card
>> on day 3 or so.
>>
>> Yes, I am almost 100% sure that this affects suspend/resume. Prior to
>> the _REV hack, my laptop *never* suspended correctly. Now it
>> regularly suspends just fine. I also double-checked that rebasing on
>> Linus' master didn't affect it. With the _REV hack it doesn't
>> suspend. Without it, it's just fine.
>>
>> I don't know much about suspend/resume but is it possible that the
>> problem is the kernel not being able to properly shut down the sound
>> card?
>
> Thanks for that confirmation. That does sound like a very likely candidate
> that it was because the audio device was in the wrong state.
>
>> That matches what I've seen. With the _REV hack, I see nothing about
>> HDA in dmesg and I get different audio messages than with an _OSI of
>> Windows 2009.
>>
>> I look forward to seeing the update. Thanks for working on this!
>> --Jason Ekstrand
>
> Sure. In in the interim, here is the patch you can apply to your local DSDT
> and put in the initramfs to see what it will look like w/ A02. This will
> leave the touchpad in I2C and audio in HDA.
>
> --- DSDT.A01 2015-02-18 18:12:44.891286890 -0600
> +++ DSDT.A02 2015-03-03 23:17:24.075746660 -0600
> @@ -21567,6 +21567,7 @@
> {
> ACOS = 0x80
> ACSE = Zero
> + OSTP = One
> }
> }
> }
>
Thanks,
I'm now running a hacked up kernel that's Torvalds' tree from Saturday
morning (same as before) + a patch from Benjamin to fix the touchpad +
the DSDT hack given above. With that, I have HDA audio (not I2S)
which is working. Also, suspend/resume now works properly with this
new cocktail.
--Jason
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