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SubjectRe: [alsa-devel] [PATCH v1 5/6] ASoC: codecs: msm8916-wcd-analog: add MBHC support
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Thanks Damien, for testing the patchset.

On 26/07/17 20:35, Damien Riegel wrote:
> [Sorry for breaking the thread, but I don't have the initial message to
> reply to.]
>
> I tried your patchset and faced some issues regarding removal detection:
> the driver detects headphone and microphone removal as soon as I press a
> button on the headset.
>


I will try to reproduce this on my end and hopefully fix it in next version.


--srini
> evtest logs:
>
> [Headset insertion]
> Event: time 10207.841157, type 1 (EV_KEY), code 226 (KEY_MEDIA), value 1
> Event: time 10207.841157, -------------- SYN_REPORT ------------
> Event: time 10208.039105, type 1 (EV_KEY), code 226 (KEY_MEDIA), value 0
> Event: time 10208.039105, -------------- SYN_REPORT ------------
> Event: time 10208.075519, type 5 (EV_SW), code 2 (SW_HEADPHONE_INSERT), value 1
> Event: time 10208.075519, type 5 (EV_SW), code 4 (SW_MICROPHONE_INSERT), value 1
> Event: time 10208.075519, -------------- SYN_REPORT ------------
> [Pressing Volume up Button]
> Event: time 10210.590403, type 1 (EV_KEY), code 115 (KEY_VOLUMEUP), value 1
> Event: time 10210.590403, type 5 (EV_SW), code 2 (SW_HEADPHONE_INSERT), value 0
> Event: time 10210.590403, type 5 (EV_SW), code 4 (SW_MICROPHONE_INSERT), value 0
> Event: time 10210.590403, -------------- SYN_REPORT ------------
> Event: time 10210.719560, type 1 (EV_KEY), code 115 (KEY_VOLUMEUP), value 0
> Event: time 10210.719560, -------------- SYN_REPORT ------------
> [Unplugging]
> Event: time 10221.926156, type 1 (EV_KEY), code 226 (KEY_MEDIA), value 1
> Event: time 10221.926156, -------------- SYN_REPORT ------------
> Event: time 10222.026466, type 1 (EV_KEY), code 226 (KEY_MEDIA), value 0
> Event: time 10222.026466, -------------- SYN_REPORT ------------
>
>
> Also, the KEY_MEDIA is wrongly reported but I don't see that every time,
> I think it depends on how fast I plug in the headset. Anyway, I think
> that can easily be filtered out by testing the presence of the
> microphone.
>
>
> Regards,
>

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