[alsa-devel] [PATCH v7 3/4] ASoC: rt5677: clear interrupts by polarity flip

[Mark Brown]

On Tue, Jun 18, 2019 at 11:12:58AM -0700, Curtis Malainey wrote:
> On Tue, Jun 18, 2019 at 11:01 AM Fletcher Woodruff
> > On Sun, Jun 16, 2019 at 10:56 AM Cezary Rojewski
> > > On 2019-06-14 21:48, Fletcher Woodruff wrote:

> > > > +     ret = regmap_read(rt5677->regmap, RT5677_IRQ_CTRL1, &reg_irq);
> > > > +     if (ret) {
> > > > +             pr_err("rt5677: failed reading IRQ status: %d\n", ret);

> > > The entire rt5677 makes use of dev_XXX with the exception of.. this very
> > > function. Consider reusing "component" field which is already part of
> > > struct rt5677_priv and removing pr_XXX.

> > I was using dev_XXX, but I believe Curtis found that 'component' was
> > sometimes uninitialized when this function was called, so I switched
> > back to pr_XXX. I may be misremembering though, so I'll let Curtis
> > comment as well.

> The issue here is that the IRQ is setup in the i2c probe and the
> component is setup in the codec probe. In theory if the hardware is in

The component is not needed for a struct device, you must have a struct
device if you have a regmap or have probed at all.
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