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SubjectRe: [PATCH v3] ASoC: rt286: fix headphone click/crack noise on Dell XPS 9343 I2S mode
On Tue, Mar 21, 2017 at 12:06 AM, Mark Brown <> wrote:
> On Mon, Mar 20, 2017 at 03:46:13PM +0000, Kai-Heng Feng wrote:
>> On Mon, Mar 20, 2017 at 11:08 PM Mark Brown <> wrote:
>> > As covered in SubmittingPatches this should come after the ---, it
>> > doesn't need to end up in the changelogs.
>> Do you mean
>> ?
>> I didn't find any hard rules regarding this, but I'll keep it in mind.
> As it says there "...and inserted automatically following the three dash
> line".

I saw iteration changelog in git log all over the place, maybe add a
rule section for each subsystem?

>> > > snd_soc_write(codec, RT286_SET_AMP_GAIN_HPO, AMP_OUT_MUTE); +
>> > > break; + case SND_SOC_DAPM_PRE_PMU:
> Please fix your mail client not to completely mangle quoted patches when
> replying.

Okay. I was toying with Google Inbox.

>> > To repeat what I said last time:
>> > | After power up we mute the amplifier? That's worthy of a
>> > comment...
>> IIUC, HPO Power's _POST_PMU is triggered right before power down
>> (_PRE_PMD), hence it's pretty logical to mute the amplifier at this
>> stage. I can't quite see anything wrong here.
> No, that is not the case - I'm not sure what would lead you to believe
> that it is. _POST_PMU is triggered as the last step of powering up the
> widget as the name might suggest. Has this code been tested at all?

I had the same thought originally, but printk under each case suggests
otherwise - _POST_PMU is triggered not right after _PRE_PMU but right
before _PRE_PMD.

And yes, the patch was tested on a real machine.

>> So no I didn't ignore your comment, I simply misinterpreted what you
>> meant. Because of the logical assumption, I thought you were talking
>> the unmute part in _PRE_PMU, which I did add in the changelog.
> You didn't reply to my review comment and you sent the same code again.
> That looks an awful lot like being ignored.

Fair enough, I thought changelog is sufficient.

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