linux-kernel - Re: [EXTERNAL] Re: [PATCH v4 2/4] power_supply: Add additional health properties to the header

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Message-ID: <20200314041237.GA121329@google.com>
Date:   Fri, 13 Mar 2020 21:12:37 -0700
From:   Sandeep Patil <sspatil@...roid.com>
To:     Ricardo Rivera-Matos <r-rivera-matos@...com>
Cc:     Dan Murphy <dmurphy@...com>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [EXTERNAL] Re: [PATCH v4 2/4] power_supply: Add additional
 health properties to the header

On Wed, Mar 11, 2020 at 11:43:00AM -0500, Ricardo Rivera-Matos wrote:
> Sebastian
> 
> On 3/11/20 6:29 AM, Dan Murphy wrote:
> > Sebastian
> > 
> > On 3/10/20 4:30 PM, Sebastian Reichel wrote:
> > > Hi Sandeep,
> > > 
> > > On Fri, Mar 06, 2020 at 03:55:48PM -0800, Sandeep Patil wrote:
> > > > On Fri, Jan 17, 2020 at 02:06:58AM +0100, Sebastian Reichel wrote:
> > > > > Hi,
> > > > > 
> > > > > On Thu, Jan 16, 2020 at 11:50:37AM -0600, Dan Murphy wrote:
> > > > > > Add HEALTH_WARM, HEALTH_COOL and HEALTH_HOT to the health enum.
> > > > > > 
> > > > > > Signed-off-by: Dan Murphy <dmurphy@...com>
> > > > > > ---
> > > > > Looks good. But I will not merge it without a user and have comments
> > > > > for the driver.
> > > > Android has been looking for these properties for a while now [1].
> > > > It was added[2] when we saw that the manufacturers were
> > > > implementing these
> > > > properties in the driver. I didn't know the properties were
> > > > absent upstream
> > > > until yesterday. Somebody pointed out in our ongoing effort to
> > > > make sure
> > > > all core kernel changes that android depends on are present upstream.
> > > > 
> > > > I think those values are also propagated in application facing APIs in
> > > > Android (but I am not sure yet, let me know if that's something
> > > > you want
> > > > to find out).
> > > > 
> > > > I wanted to chime in and present you a 'user' for this if that helps.
> > > With user I meant an upstream kernel driver, which exposes the
> > > values. But thanks for the pointer. This should be mentioned in
> > > the patch description, also the fact that the status values are
> > > directly taken from JEITA spec.
> > 
> > I mentioned the JEITA in the cover letter but I guess you would like the
> > description in the commit message as well
> > 
> > Dan
> > 
> > 
> I have added a note mentioning that the properties are taken from the JEITA
> spec in the commit message and listing the bq2515x_charger driver as a user.
> I am waiting for feedback on my other patches in the series before sending
> you v5 patches.

Ricardo, I'll appreciate if you CC me if/when you send the v5 and followup.
I want to track this series so we can uncheck yet another out-of-tree
dependency that Android has.

Thanks for the quick followup.

- ssp