Mark,
I think Srinivas' Ack was only for the snippet quoted below, not for the
original patch of this thread. I don't know if you still want to take
that patch without his Ack or not.
On Thu, Sep 28, 2017 at 11:18:26AM -0700, Srinivas Kandagatla wrote:
>
>
> On 19/09/17 06:22, Damien Riegel wrote:
> > Definitely. I also noticed an issue with the first very detection
> > because the micbias will only be set the first time the driver gets a
> > mechanical insertion interrupt. Following snippet seems to solve the
> > problem:
> Does that mean that you do not need the "ASoC: codecs: msm8916-wcd-analog:
> use btn0 released detection" patch anymore?
No, configuring the bias in setup_mbhc only fixes an issue with the very
first detection, we are dealing with two different issues. But I haven't
had the time recently to capture the signal on our board to show you how
our hardware behaves.
> Below changes seems to fine as it is.
>
> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Thanks, I'll resend a proper patch with a real commit message then.
--
Damien
>
>
> > diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c
> > index f562f2d86907..5045dabd9ea9 100644
> > --- a/sound/soc/codecs/msm8916-wcd-analog.c
> > +++ b/sound/soc/codecs/msm8916-wcd-analog.c
> > @@ -446,6 +446,7 @@ static int pm8916_wcd_analog_enable_micbias_int1(struct
> > static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd)
> > {
> > struct snd_soc_codec *codec = wcd->codec;
> > + bool micbias_enabled = false;
> > u32 plug_type = 0;
> > u32 int_en_mask;
> >
> > @@ -477,6 +478,11 @@ static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd)
> > DIG_CLK_CTL_D_MBHC_CLK_EN_MASK,
> > DIG_CLK_CTL_D_MBHC_CLK_EN);
> >
> > + if (snd_soc_read(codec, CDC_A_MICB_2_EN) & CDC_A_MICB_2_EN_ENABLE)
> > + micbias_enabled = true;
> > +
> > + pm8916_mbhc_configure_bias(priv, micbias_enabled);
> > +
> > int_en_mask = MBHC_SWITCH_INT;
> > if (wcd->mbhc_btn_enabled)
> > int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET;
> >
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