[alsa-devel] [PATCH] ASoC: tpa6130a2: Revisit power-up sequence
peter.ujfalusi at nokia.com
Mon Nov 8 10:38:13 CET 2010
On Monday 08 November 2010 10:57:57 ext Jarkko Nikula wrote:
> There are no known problems with current power-up sequence which first sets
> the /shutdown pin high and then enables the supply. However, swap the order
> so that the device is kept in shutdown/reset mode during the supply voltage
> transition since slowly rising voltages can usually cause problems if the
> device is not kept in reset.
> Signed-off-by: Jarkko Nikula <jhnikula at gmail.com>
> Cc: Peter Ujfalusi <peter.ujfalusi at nokia.com>
Yes, it is safer to keep the amp in reset during voltage ramp.
Acked-by: Peter Ujfalusi <peter.ujfalusi at nokia.com>
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