[alsa-devel] [PATCH] ASoC: tpa6130a2: Revisit power-up sequence

[Peter Ujfalusi]

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>