Messages in this thread | | | Date | Wed, 08 Aug 2012 17:16:58 +0300 | From | Peter Ujfalusi <> | Subject | Re: [PATCH 04/11] MFD: twl4030-audio: Add DT support |
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On 08/08/2012 04:52 PM, Mark Brown wrote: >> The hs_extmute is used for reducing pop noise on the headset. The sequence is >> described in the TRM and it need to be done within the codec driver since it >> is within the sequence. > > Is the point it's at in the sequence the end?
On both ends :o On HS enable: the extmute has to be enabled, run the power on sequence for the HS, wait for ramp, disable the HS extmute.
On stop: enable the extmute, run the sequence, wait for ramp, release the extmute.
> We can always add a patch stubbing it out as part of the series, or in a > branch in the OF tree that we can pull in.
If you are OK with the hassle I can add a patch to the series for include/linux/of.h to handle this.
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