linux-kernel - Re: [PATCH] HID: sensor-hub: Allow multi-function sensor devices

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Message-ID: <nycvar.YFH.7.76.2306120938360.5716@cbobk.fhfr.pm>
Date:   Mon, 12 Jun 2023 09:39:10 +0200 (CEST)
From:   Jiri Kosina <jikos@...nel.org>
To:     srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>
cc:     Daniel Thompson <daniel.thompson@...aro.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Bjorn Andersson <andersson@...nel.org>,
        linux-input@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: sensor-hub: Allow multi-function sensor devices

On Sun, 11 Jun 2023, srinivas pandruvada wrote:

> > > The Lenovo Yoga C630 has a combined keyboard and accelerometer that 
> > > interfaces via i2c-hid. Currently this laptop either has a working 
> > > keyboard (if CONFIG_HID_SENSOR_HUB is disabled) or a working 
> > > accelerometer. only works on kernels. Put another way, most distro 
> > > kernels enable CONFIG_HID_SENSOR_HUB and therefore cannot work on 
> > > this device since the keyboard doesn't work!
> > > 
> > > Fix this by providing a richer connect mask during the probe. With 
> > > this change both keyboard and screen orientation sensors work 
> > > correctly.
> > > 
> > > Signed-off-by: Daniel Thompson <daniel.thompson@...aro.org>
> > 
> > Srinivas, are you aware of any multi-function device that this patch 
> > might break?
> I tried two systems, one with ISH and another with external hub. Didn't 
> break anything. I don't have 5+ years old systems, to confirm if it will 
> break something on older systems with external hub.

Thanks a lot. Can I take the above as an equivalent of

	Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

? :)

-- 
Jiri Kosina
SUSE Labs