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Date: Mon, 28 Dec 2020 16:16:17 +0200 From: Andy Shevchenko <andy.shevchenko@...il.com> To: Hans de Goede <hdegoede@...hat.com> Cc: Lee Jones <lee.jones@...aro.org>, MyungJoo Ham <myungjoo.ham@...sung.com>, Chanwoo Choi <cw00.choi@...sung.com>, Cezary Rojewski <cezary.rojewski@...el.com>, Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>, Liam Girdwood <liam.r.girdwood@...ux.intel.com>, Jie Yang <yang.jie@...ux.intel.com>, Mark Brown <broonie@...nel.org>, patches@...nsource.cirrus.com, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, ALSA Development Mailing List <alsa-devel@...a-project.org> Subject: Re: [PATCH 10/14] extcon: arizona: Also report jack state through snd_soc_jack_report() On Sun, Dec 27, 2020 at 11:16 PM Hans de Goede <hdegoede@...hat.com> wrote: > > The Linux Arizona driver uses the MFD framework to create several > sub-devices for the Arizona codec and then uses a driver per function. > > The extcon-arizona driver handles jack-detect support and exports info > about the jack state to userspace through the standard extcon sysfs > class interface. > > Standard Linux userspace does not monitor/use the extcon sysfs interface > for jack-detection, resulting in the jack-state not being taken into > account by userspace. > > The ASoC machine-driver may have created a standard ASoC jack when > registering the card. In this case also report the jack-state through the > ASoC jack so that jack-detection works with standard Linux userspace. > > Signed-off-by: Hans de Goede <hdegoede@...hat.com> > --- > drivers/extcon/extcon-arizona.c | 11 ++++++++++- > 1 file changed, 10 insertions(+), 1 deletion(-) > > diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c > index d5b3231744f9..931a7d239aea 100644 > --- a/drivers/extcon/extcon-arizona.c > +++ b/drivers/extcon/extcon-arizona.c > @@ -20,6 +20,7 @@ > #include <linux/regulator/consumer.h> > #include <linux/extcon-provider.h> > > +#include <sound/jack.h> > #include <sound/soc.h> > > #include <linux/mfd/arizona/core.h> > @@ -598,11 +599,19 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading, > static void arizona_set_extcon_state(struct arizona_extcon_info *info, > unsigned int id, bool state) > { > - int ret; > + int ret, mask = 0; I would rather prefer... drop assignment here... > ret = extcon_set_state_sync(info->edev, id, state); > if (ret) > dev_err(info->arizona->dev, "Failed to set extcon state: %d\n", ret); > + > + switch (id) { > + case EXTCON_JACK_HEADPHONE: mask = SND_JACK_HEADPHONE; break; > + case EXTCON_JACK_MICROPHONE: mask = SND_JACK_MICROPHONE; break; ...introduce default here, which immediately bails out (return)... > + } > + > + if (info->arizona->jack && mask) ...and drop mask check here. > + snd_soc_jack_report(info->arizona->jack, state ? mask : 0, mask); > } > > static irqreturn_t arizona_hpdet_irq(int irq, void *data) > -- > 2.28.0 > -- With Best Regards, Andy Shevchenko
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