[alsa-devel] Usage of jack_status_check in ASoC GPIO

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Feb 17 08:07:50 CET 2012

On Fri, Feb 17, 2012 at 12:21:53PM +0530, Omair Mohammed Abdullah wrote:
> If I need to call a codec driver function whenever Headset status
> changes (to set various registers, turn off micbias etc.). In such a
> case, can the jack_status_check callback in snd_soc_jack_gpio
> structure be used? If I use it, I would need to modify the callback
> to pass certain parameters (codec pointer, status). Is this the
> intended use of the callback?

I rather suspect you shouldn't be doing that and should be doing
something else instead (probably using the notifiers) but without seeing
what you're trying to accomplish it's hard to comment in detail.
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