From nobody Mon Feb 9 17:05:00 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED65C36F41D; Wed, 28 Jan 2026 17:52:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769622745; cv=none; b=BS/aJ5Cd2S83BIKlZ5cRQOw/xaXW8+6CqgZAxwjKkKfaHvzRg9nTTcpfpoJareoFlHt5la97nMBq4t8KfF9aFibM5DcC16DSMjhhACed6ry2Wpq/7WIaJELGooYwo1594YW3SFwDMmCg6niP7hN+MqM49kYtyheOJZe4VVqiwDQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769622745; c=relaxed/simple; bh=xEfhX36soxEfZtpMB211ApIw/r9ApketMd38E9CFb4E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CRus+JLOV4ygKOQIsIev+oqFzXJsTiRLEO4URmlxKPfSK2KjdQHR6WMK69hLBvmTQs1IfdXjR1TCOS1g7Vo5x7JzpoDOe0rcdupvjo6nQ29wY6eNi7J1SQc5XVaHV0tnyf+ODuUkfkBM0c/aCzUYz/FG3wKrW8f3zxJUD4KsPvE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ef9f7fjs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ef9f7fjs" Received: by smtp.kernel.org (Postfix) with ESMTPS id AFB7BC16AAE; Wed, 28 Jan 2026 17:52:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769622744; bh=xEfhX36soxEfZtpMB211ApIw/r9ApketMd38E9CFb4E=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=ef9f7fjsk7nbsc7G0Wan5IPGOyp1fLT4pf2C2GF98J6S20x5HqoRl66YIpAMecMTE ASPWDO71F7WdCgg7FRU7/QFKCklF900ZYC2nDtu18z1VSCRYP/2SxVx17rhrzZKp12 QyvucNUm9qTz95rPOMu6Ooh+gzQxPENwcNymsCzgf/PnKMND5QoSFuT6+TeP+T35iB nFDfh29sBpoIwVlNj9fP4+X1CWrAqvc63o4GSM6o3YKIv3l2TD8ri66vJW41EVgQ4R ndtI953GV0CDwcNdeabodHQSNZTfmiH6WLkPaCTKXi9QDHRv3swUBX7O4Sl9lbp9ts VAZ8fTfNQmfkg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2AE7D46BE9; Wed, 28 Jan 2026 17:52:24 +0000 (UTC) From: Shrikant Raskar via B4 Relay Date: Wed, 28 Jan 2026 23:21:49 +0530 Subject: [PATCH v8 2/6] iio: proximity: rfd77402: Align polling timeout with datasheet Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260128-b4-rfd77402_v5-v8-2-36388fe7b95e@gmail.com> References: <20260128-b4-rfd77402_v5-v8-0-36388fe7b95e@gmail.com> In-Reply-To: <20260128-b4-rfd77402_v5-v8-0-36388fe7b95e@gmail.com> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko Cc: skhan@linuxfoundation.org, david.hunter.linux@gmail.com, raskar.shree97@gmail.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1769622737; l=817; i=raskar.shree97@gmail.com; s=20260101; h=from:subject:message-id; bh=EszL1g394dGoeHz3qJUHUL8JHDZu8HglWxCDO1QGkP4=; b=23HwLZpgAD8vtUAJKSQUEmxbI658qK90g0buVS+GDtugSwX4KRnUAj5g4iipyedgY0wORgj82 IVIg6bnkjdQBSzZiC6jApSKfVewm3iEKWkBD2DSt7Abu2vgmr5D3s1/ X-Developer-Key: i=raskar.shree97@gmail.com; a=ed25519; pk=4m2wXDvY0vlXefvRRzawNcNAif88Cy4XvbLkU6iMG/Y= X-Endpoint-Received: by B4 Relay for raskar.shree97@gmail.com/20260101 with auth_id=589 X-Original-From: Shrikant Raskar Reply-To: raskar.shree97@gmail.com From: Shrikant Raskar Update the polling delay to use a 100 ms timeout, as specified in the RFD77402 datasheet. Signed-off-by: Shrikant Raskar Reviewed-by: Andy Shevchenko --- 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/rfd77= 402.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); } =20 if (tries < 0) { --=20 2.43.0