Linux Input Archive on lore.kernel.org
 help / color / Atom feed
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: robh+dt@kernel.org, dmitry.torokhov@gmail.com, bparrot@ti.com,
	simon.budig@kernelconcepts.de, hdegoede@redhat.com,
	fcooper@ti.com, mripard@kernel.org,
	alexandre.belloni@bootlin.com, shawnguo@kernel.org,
	devicetree@vger.kernel.org, kernel@pengutronix.de,
	linux-input@vger.kernel.org
Subject: Re: [PATCH v2 5/5] Input: edt-ft5x06 - improve power management operations
Date: Wed, 27 Nov 2019 16:32:17 +0200
Message-ID: <20191127143217.GL32742@smile.fi.intel.com> (raw)
In-Reply-To: <20191127130602.5zp537xdybbafnci@pengutronix.de>

On Wed, Nov 27, 2019 at 02:06:02PM +0100, Marco Felsch wrote:
> On 19-11-27 14:59, Andy Shevchenko wrote:
> > On Wed, Nov 27, 2019 at 01:09:48PM +0100, Marco Felsch wrote:

> > Perhaps
> > 
> > static void edt_ft5x06_ts_toggle_gpio(struct gpio_desc *gpiod)
> > {
> > 	...
> > }
> > 
> > ...resume(...)
> > {
> > 	...
> > 	if (wake_gpio)
> > 		...toggle_gpio(wake_gpio);
> > 	else if (reset_gpio)
> > 		...toggle_gpio(reset_gpio);
> > 	...
> > }
> > 
> > ?
> 
> Thanks fpr your suggestion but we need to differentiate between reset
> and wake logic level. The wake-gpio keeps asserted while the reset is
> released. So the edt_ft5x06_ts_toggle_gpio() needs at least a 'is_reset'
> parameter but then the simplification is gone.


How about this:
static void edt_ft5x06_ts_toggle_gpio(struct gpio_desc *gpiod, int value)
{
	gpiod_...(..., !value);
	...
	gpiod_...(..., value);
	...
}

...resume(...)
{
	...
	if (wake_gpio)
		...toggle_gpio(wake_gpio, 1);
	else if (reset_gpio)
		...toggle_gpio(reset_gpio, 0);
	...
}

?

-- 
With Best Regards,
Andy Shevchenko



  reply index

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-27 12:09 [PATCH v2 0/5] EDT-FT5x06 improvements Marco Felsch
2019-11-27 12:09 ` [PATCH v2 1/5] Input: edt-ft5x06: work around first register access error Marco Felsch
2019-12-02 17:58   ` Dmitry Torokhov
2019-12-03  8:15     ` Marco Felsch
2019-11-27 12:09 ` [PATCH v2 2/5] Input: edt-ft5x06 - alphabetical include reorder Marco Felsch
2019-11-27 12:09 ` [PATCH v2 3/5] dt-bindings: Input: edt-ft5x06 - document wakeup-source capability Marco Felsch
2019-12-05 21:15   ` Rob Herring
2019-11-27 12:09 ` [PATCH v2 4/5] Input: edt-ft5x06 - make wakeup-source switchable Marco Felsch
2019-12-02 18:00   ` Dmitry Torokhov
2019-12-10  8:36     ` Marco Felsch
2019-11-27 12:09 ` [PATCH v2 5/5] Input: edt-ft5x06 - improve power management operations Marco Felsch
2019-11-27 12:59   ` Andy Shevchenko
2019-11-27 13:06     ` Marco Felsch
2019-11-27 14:32       ` Andy Shevchenko [this message]
2019-11-27 17:25         ` Marco Felsch
2019-11-27 18:06           ` Andy Shevchenko
2019-12-02 18:04   ` Dmitry Torokhov
2019-12-10  8:43     ` Marco Felsch
2019-11-27 17:10 ` [PATCH v2 0/5] EDT-FT5x06 improvements Andy Shevchenko
2019-11-27 17:14 ` Andy Shevchenko
2019-11-27 17:25   ` Marco Felsch

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191127143217.GL32742@smile.fi.intel.com \
    --to=andriy.shevchenko@linux.intel.com \
    --cc=alexandre.belloni@bootlin.com \
    --cc=bparrot@ti.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dmitry.torokhov@gmail.com \
    --cc=fcooper@ti.com \
    --cc=hdegoede@redhat.com \
    --cc=kernel@pengutronix.de \
    --cc=linux-input@vger.kernel.org \
    --cc=m.felsch@pengutronix.de \
    --cc=mripard@kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=shawnguo@kernel.org \
    --cc=simon.budig@kernelconcepts.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux Input Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-input/0 linux-input/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-input linux-input/ https://lore.kernel.org/linux-input \
		linux-input@vger.kernel.org
	public-inbox-index linux-input

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-input


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git