From: Roy Im <roy.im.opensource@diasemi.com>
To: Randy Dunlap <rdunlap@infradead.org>,
Roy Im <roy.im.opensource@diasemi.com>,
Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Brian Masney <masneyb@onstation.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Greg KH <gregkh@linuxfoundation.org>,
Lee Jones <lee.jones@linaro.org>, Luca Weiss <luca@z3ntu.xyz>,
Maximilian Luz <luzmaximilian@gmail.com>,
Pascal PAILLET-LME <p.paillet@st.com>,
Rob Herring <robh@kernel.org>,
Samuel Ortiz <sameo@linux.intel.com>,
Thierry Reding <thierry.reding@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>
Cc: Support Opensource <Support.Opensource@diasemi.com>,
"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pwm@vger.kernel.org" <linux-pwm@vger.kernel.org>
Subject: RE: [PATCH V17 3/3] Input: new da7280 haptic driver
Date: Fri, 24 Jul 2020 02:06:22 +0000 [thread overview]
Message-ID: <DB8PR10MB3436A78B153E566464AA07E085770@DB8PR10MB3436.EURPRD10.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <ad4f8a07-9e78-ce97-021f-094210d99a3c@infradead.org>
On Fri July 24, 2020 5:55 AM, Randy Dunlap wrote:
> On 7/23/20 8:01 AM, Roy Im wrote:
> > Adds support for the Dialog DA7280 LRA/ERM Haptic Driver with multiple
> > mode and integrated waveform memory and wideband support.
> > It communicates via an I2C bus to the device.
> >
> > Reviewed-by: Jes Sorensen <Jes.Sorensen@gmail.com>.
> >
> > Signed-off-by: Roy Im <roy.im.opensource@diasemi.com>
> >
> > ---
> >
> >
> > drivers/input/misc/Kconfig | 13 +
> > drivers/input/misc/Makefile | 1 +
> > drivers/input/misc/da7280.c | 1840
> > +++++++++++++++++++++++++++++++++++++++++++
> > 3 files changed, 1854 insertions(+)
> > create mode 100644 drivers/input/misc/da7280.c
> >
>
> > diff --git a/drivers/input/misc/da7280.c b/drivers/input/misc/da7280.c
> > new file mode 100644 index 0000000..6e3ead5
> > --- /dev/null
> > +++ b/drivers/input/misc/da7280.c
> > @@ -0,0 +1,1840 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * DA7280 Haptic device driver
> > + *
> > + * Copyright (c) 2020 Dialog Semiconductor.
> > + * Author: Roy Im <Roy.Im.Opensource@diasemi.com> */
> > +
> > +#include <linux/err.h>
> > +#include <linux/i2c.h>
> > +#include <linux/input.h>
> > +#include <linux/interrupt.h>
> > +#include <linux/module.h>
> > +#include <linux/pwm.h>
> > +#include <linux/regmap.h>
> > +#include <linux/workqueue.h>
> > +#include <linux/uaccess.h>
> > +#include <linux/bitops.h>
> > +#include <linux/bitfield.h>
> > +
>
> ...
>
>
> > +static int da7280_haptic_set_pwm(struct da7280_haptic *haptics, bool
> > +enabled) {
> > + struct pwm_state state;
> > + u64 period_mag_multi;
> > + int error;
> > +
> > + if (!haptics->gain && enabled) {
> > + dev_err(haptics->dev,
> > + "Please set the gain first for the pwm mode\n");
> > + return -EINVAL;
> > + }
> > +
> > + pwm_get_state(haptics->pwm_dev, &state);
> > + state.enabled = enabled;
> > + if (enabled) {
> > + period_mag_multi = (u64)state.period * haptics->gain;
> > + period_mag_multi >>= MAX_MAGNITUDE_SHIFT;
> > +
> > + /* The interpretation of duty cycle depends on the acc_en,
> > + * it should be between 50% and 100% for acc_en = 0.
> > + * See datasheet 'PWM mode' section.
> > + */
>
> from coding-style.rst:
>
> /*
> * This is the preferred style for multi-line
> * comments in the Linux kernel source code.
> * Please use it consistently.
> *
> * Description: A column of asterisks on the left side,
> * with beginning and ending almost-blank lines.
> */
>
> (except for networking code)
>
> Please fix multiple locations.
OK, I will fix them.
>
>
> thanks.
> --
> ~Randy
Kind regards,
Roy
prev parent reply other threads:[~2020-07-24 2:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1595516501.git.Roy.Im@diasemi.com>
2020-07-23 15:01 ` [PATCH V17 3/3] Input: new da7280 haptic driver Roy Im
2020-07-23 20:50 ` Randy Dunlap
2020-07-24 1:54 ` Roy Im
2020-07-24 2:56 ` Randy Dunlap
2020-07-24 5:47 ` Roy Im
2020-07-24 5:47 ` Roy Im
2020-07-24 5:48 ` Randy Dunlap
2020-07-24 5:48 ` Randy Dunlap
2020-07-23 20:55 ` Randy Dunlap
2020-07-24 2:06 ` Roy Im [this message]
Reply instructions:
You may reply publicly 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=DB8PR10MB3436A78B153E566464AA07E085770@DB8PR10MB3436.EURPRD10.PROD.OUTLOOK.COM \
--to=roy.im.opensource@diasemi.com \
--cc=Support.Opensource@diasemi.com \
--cc=bgolaszewski@baylibre.com \
--cc=dmitry.torokhov@gmail.com \
--cc=gregkh@linuxfoundation.org \
--cc=lee.jones@linaro.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pwm@vger.kernel.org \
--cc=luca@z3ntu.xyz \
--cc=luzmaximilian@gmail.com \
--cc=masneyb@onstation.org \
--cc=p.paillet@st.com \
--cc=rdunlap@infradead.org \
--cc=robh@kernel.org \
--cc=sameo@linux.intel.com \
--cc=tglx@linutronix.de \
--cc=thierry.reding@gmail.com \
--cc=u.kleine-koenig@pengutronix.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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).