From: Shrikant Raskar via B4 Relay <devnull+raskar.shree97.gmail.com@kernel.org>
To: "Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>
Cc: skhan@linuxfoundation.org, david.hunter.linux@gmail.com,
raskar.shree97@gmail.com, linux-iio@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v8 2/6] iio: proximity: rfd77402: Align polling timeout with datasheet
Date: Wed, 28 Jan 2026 23:21:49 +0530 [thread overview]
Message-ID: <20260128-b4-rfd77402_v5-v8-2-36388fe7b95e@gmail.com> (raw)
In-Reply-To: <20260128-b4-rfd77402_v5-v8-0-36388fe7b95e@gmail.com>
From: Shrikant Raskar <raskar.shree97@gmail.com>
Update the polling delay to use a 100 ms timeout, as specified
in the RFD77402 datasheet.
Signed-off-by: Shrikant Raskar <raskar.shree97@gmail.com>
---
drivers/iio/proximity/rfd77402.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/proximity/rfd77402.c b/drivers/iio/proximity/rfd77402.c
index 69cc1505b964..8f7debf0e61f 100644
--- a/drivers/iio/proximity/rfd77402.c
+++ b/drivers/iio/proximity/rfd77402.c
@@ -132,7 +132,11 @@ static int rfd77402_measure(struct i2c_client *client)
goto err;
if (ret & RFD77402_ICSR_RESULT)
break;
- msleep(20);
+ /*
+ * As per RFD77402 datasheet section '3.1.1 Single Measure',
+ * the suggested timeout value for single measure is 100ms.
+ */
+ msleep(10);
}
if (tries < 0) {
--
2.43.0
next prev parent reply other threads:[~2026-01-28 17:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 17:51 [PATCH v8 0/6] iio: proximity: Add interrupt support for RFD77402 Shrikant Raskar via B4 Relay
2026-01-28 17:51 ` [PATCH v8 1/6] iio: proximity: rfd77402: Reorder header includes Shrikant Raskar via B4 Relay
2026-01-29 17:52 ` Jonathan Cameron
2026-01-28 17:51 ` Shrikant Raskar via B4 Relay [this message]
2026-01-28 22:21 ` [PATCH v8 2/6] iio: proximity: rfd77402: Align polling timeout with datasheet Andy Shevchenko
2026-01-28 17:51 ` [PATCH v8 3/6] iio: proximity: rfd77402: Use kernel helper for result polling Shrikant Raskar via B4 Relay
2026-01-28 22:23 ` Andy Shevchenko
2026-01-29 17:48 ` Jonathan Cameron
2026-01-28 17:51 ` [PATCH v8 4/6] iio: proximity: rfd77402: Use devm-managed mutex initialization Shrikant Raskar via B4 Relay
2026-01-28 17:51 ` [PATCH v8 5/6] iio: proximity: rfd77402: Document device private data structure Shrikant Raskar via B4 Relay
2026-01-28 17:51 ` [PATCH v8 6/6] iio: proximity: rfd77402: Add interrupt handling support Shrikant Raskar via B4 Relay
2026-01-28 22:25 ` [PATCH v8 0/6] iio: proximity: Add interrupt support for RFD77402 Andy Shevchenko
2026-01-29 17:51 ` Jonathan Cameron
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