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pxa2xx-ac97: switch AC unit to correct state before probing
authorDmitry Baryshkov <dbaryshkov@gmail.com>
Mon, 5 Jan 2009 09:58:06 +0000 (12:58 +0300)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 5 Jan 2009 17:47:17 +0000 (17:47 +0000)
If AC97 unit is in partially enabled state, early request_irq can trigger
IRQ storm or even full hang up. Workaround this by forcibly switching ACLINK off
at the start of the probe.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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