linux-kernel - Re: [PATCH v2 6/6] platform/chrome: mfd/cros_ec_dev: Add sysfs entry to set keyboard wake lid angle

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Date:   Sat, 17 Mar 2018 05:31:01 +0000
From:   Gwendal Grignou <gwendal@...omium.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Benson Leung <bleung@...omium.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        kernel@...labora.com, Guenter Roeck <groeck@...omium.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH v2 6/6] platform/chrome: mfd/cros_ec_dev: Add sysfs entry
 to set keyboard wake lid angle

On Wed, Mar 7, 2018 at 8:28 AM Lee Jones <lee.jones@...aro.org> wrote:

> On Wed, 21 Feb 2018, Enric Balletbo i Serra wrote:

> > From: Gwendal Grignou <gwendal@...omium.org>
> >
> > This adds a sysfs attribute (/sys/class/chromeos/cros_ec/kb_wake_angle)
> > used to set and get the keyboard wake lid angle. This attribute is
> > present only if 2 accelerometers are controlled by the EC.
> >
> > This patch also moves the cros_ec features check before the device is
> > added so the features map obtained from the EC is ready on time.

Enric,

I found an error in the patch. During the merge, the code that set
has_kb_wake_angle in cros_ec_sensors_register() has been lost. I uploaded a
change (that also remove call for a non-existent cros-ec-angle platform
driver) at https://chromium-review.googlesource.com/#/c/866106.

Gwendal.
> >
> > Signed-off-by: Gwendal Grignou <gwendal@...omium.org>
> > Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> > ---
> > Changes since v1:
> > - Suggested by Andy Shevchenko:
> >   - Use the previous defined to_cros_ec_dev
> >   - Use one line when fits in 80 characters.
> >   - Use DEVICE_ATTR_RW variant.
> >
> >  drivers/platform/chrome/cros_ec_sysfs.c | 81
+++++++++++++++++++++++++++++++++

> >  drivers/mfd/cros_ec_dev.c               | 19 ++++----
> >  include/linux/mfd/cros_ec.h             |  1 +

> Please send me a PR with this patch contained.

> Acked-by: Lee Jones <lee.jones@...aro.org>

> --
> Lee Jones
> Linaro Services Technical Lead
> Linaro.org │ Open source software for ARM SoCs
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