From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Aleksandrs Vinarskis <alex@vinarskis.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: laurentiu.tudor1@dell.com, linux-arm-msm@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Subject: Re: [PATCH v2] arm64: dts: qcom: x1e80100-dell-xps13-9345: enable onboard accelerometers
Date: Tue, 14 Apr 2026 16:15:47 +0200 [thread overview]
Message-ID: <fb7ce90c-a7bc-48d7-b87a-640c7ee0b6eb@oss.qualcomm.com> (raw)
In-Reply-To: <20260331-dell-xps-9345-accel-v2-1-7dacbd24b43d@vinarskis.com>
On 3/31/26 3:36 PM, Aleksandrs Vinarskis wrote:
> Particular laptop comes with two sets of sensors:
> 1. Motherboard: accelerometer
> 2. Display/Camera module: accelerometer, ambient ligth (and more)
> sensor
>
> Both i2c busses are bound to Snapdragon Sensor Core (SSC) and are
> typically controlled by (A)DSP thus allowing for great power
> efficiency. This however requires DSP libraries matching ADSP firmware,
> sensors descriptions (must be extracted from Windows) and other
> potentially closed-source libraries. Opensource tooling includes
> `libssc` and `hexagonrpcd`, but they were not verified to be working.
>
> Until SSC support for X1E lands, bitbang both i2c busses to enable
> accelerometer functionality. In the future if/when sensors on this
> platform can be used from DSP directly, this commit can be reverted.
>
> Both accelerometers were tested individually via `monitor-sensor`.
> Display accelerometer is defined first, as it appears automatic
> screen rotation tools simply pick the 1st iio device.
>
> Signed-off-by: Aleksandrs Vinarskis <alex@vinarskis.com>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
prev parent reply other threads:[~2026-04-14 14:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-31 13:36 [PATCH v2] arm64: dts: qcom: x1e80100-dell-xps13-9345: enable onboard accelerometers Aleksandrs Vinarskis
2026-03-31 17:04 ` Val Packett
2026-03-31 17:28 ` Aleksandrs Vinarskis
2026-04-14 14:15 ` Konrad Dybcio [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=fb7ce90c-a7bc-48d7-b87a-640c7ee0b6eb@oss.qualcomm.com \
--to=konrad.dybcio@oss.qualcomm.com \
--cc=alex@vinarskis.com \
--cc=andersson@kernel.org \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=dmitry.baryshkov@oss.qualcomm.com \
--cc=konradybcio@kernel.org \
--cc=krzk+dt@kernel.org \
--cc=laurentiu.tudor1@dell.com \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=robh@kernel.org \
/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