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SubjectRe: [PATCH v2 18/19] ASoC: tlv320aic31xx: Add headphone/headset detection
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On 12/01/2017 07:41 AM, Mark Brown wrote:
> On Wed, Nov 29, 2017 at 03:32:59PM -0600, Andrew F. Davis wrote:
>> This device can detect the insertion/removal of headphones and headsets.
>> Enable reporting this status by enabling this interrupt and forwarding
>> this to upper-layers if a jack has been defined.
>>
>> This jack definition and the resulting operation from a jack detection
>> event must currently be defined by sound card platform code until CODEC
>> outputs to jack mappings can be defined generically.
>
> This only does half the job, there's no way for anything to specify a
> jack here.
>

Other CODECs drivers expose some kind of platform/machine specific
function(s) to send the jack definition to the CODEC, we seem to be
missing a generic way to report jack information up to the machine layer
driver.

Perhaps a struct with a jack enable/disable and call-back functions
could be created when registering the codec/platform component driver?
Then machines can hook to this as they need?

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