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Date:   Fri, 16 Sep 2016 07:52:50 +0200
From:   Sebastian Reichel <sre@...nel.org>
To:     Pavel Machek <pavel@....cz>
Cc:     pali.rohar@...il.com, kernel list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-omap@...r.kernel.org, tony@...mide.com, khilman@...nel.org,
        aaro.koskinen@....fi, ivo.g.dimitrov.75@...il.com,
        patrikbachan@...il.com, serge@...lyn.com
Subject: Re: v4.8-rc: GSM audio causes trouble

Hi,

On Thu, Sep 15, 2016 at 10:51:42PM +0200, Pavel Machek wrote:
> > I was trying to improve GSM call quality, and hit problems in
> > v4.8-rc. Sound only worked for a while, then I tried to kill
> > cmtspeech_ofono_test, and could not, not even with -9 and could not
> > even reboot.
> > 
> > I went back to v4.1 (ok, quite far, I see), and problems are gone.
> > 
> > Does it work for you? Any ideas what to try... besides bisect?
> 
> v4.7 is okay.
> 
> v4.8 with
> 
> git diff ..mini-v4.7 drivers/hsi/ | git apply
> 
> Seems to work ok.
> 
> Best regards,

hsi changes from 4.7 to 4.8 are basically runtime PM enablement.
Does 4.8 work for you with just 9c99e5e51988 reverted?

-- Sebastian

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