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From:   "H. Nikolaus Schaller" <hns@goldelico.com>
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Subject: regression: twl4030 audio/clock stopped working in v4.16
Date:   Wed, 4 Apr 2018 20:29:49 +0200
Message-Id: <2E644641-82D1-40AB-B878-06066C91AC7A@goldelico.com>
Cc:     Discussions about the Letux Kernel <letux-kernel@openphoenux.org>,
        Tony Lindgren <tony@atomide.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-omap <linux-omap@vger.kernel.org>
To:     Peter Ujfalusi <peter.ujfalusi@ti.com>
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Hi Peter,
I just noticed a problem in v4.16 kernels with twl4030 audio and vibra =
driver no longer working.

Tracing it back shows that it already did appear in v4.16-rc1 and wasn't =
fixed up to v4.16.0.
Kernel v4.15.9 (the latest one where I have a binary) works.

The symptoms are:

[    1.557342] twl4030-audio 48070000.i2c:twl@48:audio: Invalid =
audio_mclk
[    1.564788] twl4030-audio: probe of 48070000.i2c:twl@48:audio failed =
with error -22
[    1.839141] TWL4030: HFCLK is not configured

Those are not visible in v4.15.9. And I am not aware of any changes to =
the gta04 device tree.

Do you know about this issue and a fix, before I start to bisect?

BR and thanks,
Nikolaus