From: Rupesh Majhi <zoone.rupert@gmail.com>
To: jic23@kernel.org
Cc: "Andy Shevchenko" <andy@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Eddie James" <eajames@linux.ibm.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Jonathan Cameron" <jonathan.cameron@oss.qualcomm.com>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
Sashiko <sashiko-bot@kernel.org>,
"Arnav Kapoor" <kapoorarnav43@gmail.com>
Subject: Re: [PATCH v2] iio: pressure: dps310: don't wait for new temperature in trigger handler
Date: Sun, 15 Nov 2026 20:39:49 +0200 [thread overview]
Message-ID: <20261115183949.11591-1-zoone.rupert@gmail.com> (raw)
In-Reply-To: <20261115010203.2a939bd6@jic23-hlaptop>
On Sun, 15 Nov 2026 01:02:03 +0000
Jonathan Cameron <jic23@kernel.org> wrote:
> > Probe value only lasts until the next temperature result. By the
> > time the buffer starts TMP_RDY is set, so first scan takes a new
> > temperature anyway (checked on the board, buffer enabled 5 s after
> > probe). The probe read also covers direct pressure reads.
> I'm a bit lost. So how stale can it be in the direct pressure read case?
One temperature period, so 1 s at the default 1 Hz. A direct pressure
read takes new temperature result whenever TMP_RDY is set.
Probe read is for a pressure read that comes before first
temperature result after probe. That one would use temp_raw = 0.
Thanks,
Rupesh
next prev parent reply other threads:[~2026-11-15 18:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-13 23:02 Rupesh Majhi
2026-11-14 1:38 ` Jonathan Cameron
2026-11-14 8:35 ` Rupesh Majhi
2026-11-15 1:02 ` Jonathan Cameron
2026-11-15 18:39 ` Rupesh Majhi [this message]
2026-11-15 20:34 ` Jonathan Cameron
2026-11-15 22:38 ` Rupesh Majhi
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