[alsa-devel] [PATCH] ASoC: nau8825: fix fake interruption when booting

[AS50 KCHsu0]

On 6/13/2019 7:20 PM, Mark Brown wrote:

On Mon, Jun 10, 2019 at 11:40:40AM +0800, John Hsu wrote:


There is no pull-up resistor at IRQ line where it connects from
the codec to SoC. When booting, the signal of IRQ pin will keep low



On some specific system?


No, not really.
The ISR is made for active low. The setup decreases the risk of
system damage, in case the hardware has no pull-up resistor.



Please don't send new patches in the middle of old threads, it makes it
hard to spot them and work out what the current version is.


I understand. Thanks for reminding. Sorry for a little pushy.





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