[alsa-devel] [PATCH] sound/soc/tegra: tegra_max98090: Invert headphone by GPIO flag

[Jonathan Tinkham]

On 02/23/2016 10:35 AM, Stephen Warren wrote:
> On 02/23/2016 10:19 AM, Jonathan Tinkham wrote:
>
> > Subject: sound/soc/tegra: tegra_max98090: Invert headphone by GPIO
> > flag
>
> Mark has mentioned quite a few times that this patch subject is 
> incorrect. ASoC patch subjects should start with "ASoC: ". You can see 
> this by running:
>
> git log -- sound/soc/tegra/
>
> I'd suggest the following:
>
> AsoC: tegra_max98090: honor headphone detect GPIO polarity
>
My apologies, I finally grok what he was saying. Thank you.
>> Set the invert property for the headphone jack depending on the GPIO 
>> flag in the
>> device-tree. This is similar to what is done for tegra_rt5640.
>>
>
>> diff --git a/sound/soc/tegra/tegra_max98090.c 
>> b/sound/soc/tegra/tegra_max98090.c
>
>> @@ -155,6 +156,7 @@ static int tegra_max98090_asoc_init(struct 
>> snd_soc_pcm_runtime *rtd)
>> ARRAY_SIZE(tegra_max98090_hp_jack_pins));
>>
>>           tegra_max98090_hp_jack_gpio.gpio = machine->gpio_hp_det;
>> +        tegra_max98090_hp_jack_gpio.invert = 
>> (machine->gpio_hp_det_flags & OF_GPIO_ACTIVE_LOW);
>
> Did you run checkpatch? It should complain about > 80 columns, and I 
> suspect about the unnecessary brackets around that expression. In 
> fact, checkpatch indicates quite a few other warnings and errors.
>
> The logic in this patch looks OK. Do the relevant DT files all have 
> the correct GPIO flags already? That'd be nice!

The only board is the venice2, which doesn't have a 'nvidia,hp-det-gpio' 
entry at all (how did this even work before?)