linux-kernel - Nokia N900 - audio TPA6130A2 problems

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Date:	Sat, 25 Jul 2015 12:28:27 +0200
From:	Pali Rohár <pali.rohar@...il.com>
To:	Jarkko Nikula <jarkko.nikula@...mer.com>,
	Peter Ujfalusi <peter.ujfalusi@...com>,
	"Lars-Peter Clausen" <lars@...afoo.de>
Cc:	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org, Pavel Machek <pavel@....cz>,
	Sebastian Reichel <sre@...nel.org>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Tony Lindgren <tony@...mide.com>, Nishanth Menon <nm@...com>
Subject: Nokia N900 - audio TPA6130A2 problems

Hello,

sometimes after rebooting Nokia N900 initializing alsa audio fails.
Here output from dmesg log when it happen:

[    6.925140] tpa6130a2 2-0060: Write failed
[    6.929534] tpa6130a2 2-0060: Failed to initialize chip
[    6.935272] tpa6130a2: probe of 2-0060 failed with error -121
[    7.624237] rx51-audio n900-audio: Failed to add TPA6130A2 controls
[    7.635101] rx51-audio n900-audio: ASoC: failed to init TLV320AIC34: -19
[    7.645874] rx51-audio n900-audio: ASoC: failed to instantiate card -19
[    7.665740] rx51-audio n900-audio: snd_soc_register_card failed (-19)
[    8.063049] ALSA device list:
[    8.070343]   No soundcards found.

Any idea what to do?

-- 
Pali Rohár
pali.rohar@...il.com

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