From nobody Mon Feb 9 23:01:29 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 60F3D322557; Mon, 19 Jan 2026 17:20:09 +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=1768843209; cv=none; b=LDE91oE5fmiKSkxuViT9w/xwJbAe6Lf9cvkM82noSMZQVJ6iOqmz4n8m7lNhnoFUNu/goAIraT4bkf2RwhoT4XnujTYisy6MghBAY7xTRHGxj/vEzbc9wfADfeSn5dwVDAHcrj/TkQvK118/9GSyi59PZJZAuKvBaWiD7dSQKfo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768843209; c=relaxed/simple; bh=atHny99ai5Iea0DAO2NhsbjbhqLOHcKTs4WEAfh9+2A=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qK8EN8yKZoFVfB69MJiquCO3NuPUcBcHD5qVtHGW1K9Uu4gjeCzh2koZg+XszN6Z5iCct0WhevYC5fetp8siyF6wJdoKlbtPNlMR+rT3HZwgnqfDu8HUiGTxcKU36Sbwrumk7Q99e2Os3wl8PLVPNWdKTO/jhqjuafkwGREc3rA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=phD/YRh1; 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="phD/YRh1" Received: by smtp.kernel.org (Postfix) with ESMTPS id 1A134C2BCB1; Mon, 19 Jan 2026 17:20:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768843209; bh=atHny99ai5Iea0DAO2NhsbjbhqLOHcKTs4WEAfh9+2A=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=phD/YRh1havVMg0Z9dNWpL1mnmm4cN9Edu7WXfw4+WBDf6n0/UxIYMHXAVQFQbKqP d3r42rih94/QSElOARiritSGT/+0hIyaa18ihhKs2Lup+nqbXeuXo5OvDPwQU/GIXB RyPntQMYQBGm7WGQSa0+piOauB48Ohz7i+uUQeBUjQV+YVMwoxpnONOLm4dRAsilDT hb79kHmYn/5UYMS81i9bzgowZcq5QwbXnbwxvGr3QKwYdiwjEeSJ7DfrsJJxl2Mejs LGVEcC7w9nKP91snWA4yO4CcsZL1lCxdzLQTcJCeB5+K55I9Ew5ocYabw8vPrVjeNZ 1WlL2oz2WlEnw== 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 12CA9D29C52; Mon, 19 Jan 2026 17:20:09 +0000 (UTC) From: Petr Hodina via B4 Relay Date: Mon, 19 Jan 2026 18:19:57 +0100 Subject: [PATCH 3/4] iio: proximity: vl53l0x-i2c: Fix reset sequence 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: <20260119-vl53l0x-v1-3-cf71715a1353@protonmail.com> References: <20260119-vl53l0x-v1-0-cf71715a1353@protonmail.com> In-Reply-To: <20260119-vl53l0x-v1-0-cf71715a1353@protonmail.com> To: Song Qiang , Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , David Heidelberg Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Petr Hodina X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1768843207; l=1425; i=petr.hodina@protonmail.com; s=20260107; h=from:subject:message-id; bh=gSEF9OiTVlziFUY+j6AnvS9EbsjgiEBrPmz9odaovLo=; b=tRYucSdFhwTxfqOarD4F45oBWBG3pFwZnKUv7ccyqlEqk3wJpxHk3ou5uHoOzkdxscsLl7C7/ NH+jR4TUbziBbJLmB2DsOJ4Ca+GSu4/XoKLh4MJ/WlB+xdszuZRB1WT X-Developer-Key: i=petr.hodina@protonmail.com; a=ed25519; pk=3QaVc6AaAu1IsyyH86+LIOOFhD7kCws8Xhe+wwyE7Bg= X-Endpoint-Received: by B4 Relay for petr.hodina@protonmail.com/20260107 with auth_id=594 X-Original-From: Petr Hodina Reply-To: petr.hodina@protonmail.com From: Petr Hodina Fix the reset GPIO handling and power-up timing to better match the VL53L0X reset requirements. Signed-off-by: Petr Hodina --- drivers/iio/proximity/vl53l0x-i2c.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/iio/proximity/vl53l0x-i2c.c b/drivers/iio/proximity/vl= 53l0x-i2c.c index 7bfab396377a..6901ce7dd835 100644 --- a/drivers/iio/proximity/vl53l0x-i2c.c +++ b/drivers/iio/proximity/vl53l0x-i2c.c @@ -275,9 +275,13 @@ static int vl53l0x_power_on(struct vl53l0x_data *data) return ret; } =20 - gpiod_set_value_cansleep(data->reset_gpio, 0); - - usleep_range(3200, 5000); + usleep_range(5000, 6000); + if (data->reset_gpio) { + gpiod_set_value_cansleep(data->reset_gpio, 1); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(data->reset_gpio, 0); + usleep_range(5000, 6000); + } =20 return 0; } @@ -354,7 +358,7 @@ static int vl53l0x_probe(struct i2c_client *client) return dev_err_probe(&client->dev, PTR_ERR(data->vio_supply), "Unable to get VDDIO regulator\n"); =20 - data->reset_gpio =3D devm_gpiod_get_optional(&client->dev, "reset", GPIOD= _OUT_HIGH); + data->reset_gpio =3D devm_gpiod_get_optional(&client->dev, "reset", GPIOD= _OUT_LOW); if (IS_ERR(data->reset_gpio)) return dev_err_probe(&client->dev, PTR_ERR(data->reset_gpio), "Cannot get reset GPIO\n"); --=20 2.52.0