From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 23208CD5BA4 for ; Thu, 21 May 2026 08:08:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8556E10E462; Thu, 21 May 2026 08:08:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="S8E6FkRB"; dkim-atps=neutral Received: from mail-wr1-f42.google.com (mail-wr1-f42.google.com [209.85.221.42]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1535B10E462 for ; Thu, 21 May 2026 08:08:05 +0000 (UTC) Received: by mail-wr1-f42.google.com with SMTP id ffacd0b85a97d-44b330c5cc6so4275480f8f.1 for ; Thu, 21 May 2026 01:08:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1779350883; x=1779955683; darn=lists.freedesktop.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=VsyjDgwHHARWnP4+ZoDcZHojZF27pffHLJUGeT8qjE0=; b=S8E6FkRB66U3kaYHwuVE7ImzKTC4UEN9OyrqVGyrDjVoI7fVBqrUoF4G9s6KcNCw12 k9lUqISfcwAX8A9jReKz9fGkauCZB8VgkBDjmyZ0DqNdSbJRWkCJkEszoIA05LLJJaoF mp8Wh22j883uG8r68OSpx5wdY8I+Q+1QEkYUmDs+UL/cAYz7kbFAqzIWlFTnEEf0TmOf Kjn42kflXrWEiaL1BkkYOi4srmCMbN+LzfiGmpYipGiGaoTsXEABoO/qM3A/7/Hn20II 71tvz8RuwjTXTBeiULFY0dj1iplNMWc8pnGKFrjFgpMLMyYF2QdBsQ2G1lW0g1SQ2YrA 3eBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779350883; x=1779955683; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=VsyjDgwHHARWnP4+ZoDcZHojZF27pffHLJUGeT8qjE0=; b=jFznLzBKcXaqdG2T7/HPp7+/BayuLjIDDiCwQPf1sRs8qlh1nYJ2WQwnU3AZxY6ae+ LS0tK4DRzbHUqUuIoq+NwMqoPi7LJBXMIRiMz/+sXikyz0X6xq9nbm5NVu7RwvP1yM2O N3cuuft0pyTNEUMzfU+XTvzRUiB/V9RvT6VOdfieznlavMfA+qNyVVv8lZ6RWtOdp2ih 2Df8TBzu+EPa3jetsTsG/kWoUAKMJVgKEYgh9RYL0l8b7A5BRYTQACgWd4ueUi7kZOzJ OFZPwZzJw22dNTG1/K2mvFUSO1N4ACi5qTjQr11/9P0tMYPSVTUxYGfgRNv5izL7RCnQ EPYg== X-Gm-Message-State: AOJu0YxAJrgihmq9dMe5QfGSqdlTZkEYugjKJXaLSAbKXmXCptTorkuD u2qCgAJ3qFHcddc3uZJOzV/3QXrPbL3icSo+KICKfSVttFCuRJeeupWzkzBEURDr65U= X-Gm-Gg: Acq92OHJ6+TdRBaCiIwpAijG4VdGpxfuO3ZplYmbQTH88u/TE0loN7WKSya4OXcMu5s 55Cam9JMpU1xRcmvWfcgLs20M9Qr+1ojmtst9Kdn3lNDzutQwxJkenROe0A4TLOlKHAyOpEOzni cSNk/5lJze8iZ+S5z0mypXdblQtoK8SanUhMv4+yabLBBEsqX9iUDZdFMkEEIVN49F9Az6XovJJ /ZSZ5ehetL7b+aWS80QmcMlAlODIK1mpr4PEj56n/lImm20uZbckp/lMG0X7lA8LhnW9VtznQrr vepMK5MM1XKO+JDwAtW2l2fYx8D9OwhOrGxXn2Xi0Lt3VvsZMyifAReOHd0Vc5jxD6kZdpj/+jG rFW4YuEojA+WohoIx1x+iOVZg5Om2sc2E9v4j6ASTLA3fUGcUcD80NRSHil/BoQtINP7UZrNnK4 5p/vnfthodmgqyB+GBat9pcCgaqxtHLZhtVSjJXKJ+TsncS3bCwujwVCQ= X-Received: by 2002:a05:6000:986:b0:441:1e41:194 with SMTP id ffacd0b85a97d-45ea38cbe46mr2942980f8f.17.1779350883499; Thu, 21 May 2026 01:08:03 -0700 (PDT) Received: from arrakeen.starnux.net ([2a01:e0a:106d:1080:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45eaa92ca4esm814369f8f.22.2026.05.21.01.08.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 May 2026 01:08:02 -0700 (PDT) From: Neil Armstrong Subject: [PATCH v4 0/2] backlight: Add SY7758 6-channel High Efficiency LED Driver support Date: Thu, 21 May 2026 10:07:59 +0200 Message-Id: <20260521-topic-sm8650-ayaneo-pocket-s2-sy7758-v4-0-73c732615e4a@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAF+9DmoC/5XPTW7CMBAF4Ksgrzto/Jc4rLgH6sJxJuC2xJEdo kYod8eGBa26ocsnPX1v5soSRU+J7TZXFmn2yYchB/W2Ye5khyOB73JmAkWFShiYwugdpLOpNIJ d7EABxuA+aYIkIC11rQ1INJyo7jkJzTI1Rur9933m8P7I6dJ+kJuKXRonn6YQl/sdMy+9f07OH BDQWduR7rtWiv2XH2wM2xCPrGzO4ocq8UVVZLV8o7BS2FHzR5VPVfPmRVVmlZzhjWpbZ4z+pa7 regMKkgi0lwEAAA== X-Change-ID: 20260428-topic-sm8650-ayaneo-pocket-s2-sy7758-3081ee7f1e25 To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Helge Deller Cc: dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, KancyJoe , Neil Armstrong , Krzysztof Kozlowski X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1730; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=YBbY9olX8HOO1A5gzOhDFsNSnz9cTCkzfdmYMvhCaEU=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBqDr1hWipqu60COySXeKJkvQ84kMBCE8ACnzZjFmO1 /Hq8EZWJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCag69YQAKCRB33NvayMhJ0ZjWD/ 9BwlD5o2k2ZD7qroIiXcIjLh8l8FZAoFYMbaKdF3Vd7NWdusguE90ZJxJKFwOyOL0iPMkWWJTlUDDA JKAe5eAna2ZGiBfiCSKPl6cpOZk4Wzd3mAl6+7JHZVD3a/UMcQdu9feCLToqexyKZy/URYNMbLTtRB 8gT5djk5NoHSiGVBxKdRmCb9Y/EMrjNxKSc+b1lTi9YJIm9UVfrjivmGPDnFSoJJBQV9uIXF7L4J/I kQn4YCf0XfTyNiXQKE+H3cvxQa+WuUf6Ippe2oq2WAXzhJ6XIQHrrP5Z+Ucua2H5wNsA4V8UGEO+vK K6u1Zpht5sNSX3qBrAC17W3LJcWwDD8ceZbJ483a8qSjH5Qc4y5Kop5+nt2IX9bJRq73jYudP6iR3G Lpy7FwIMgPYKbVuoD5esixrkbq84JoMQyhCKAIxIcMIOJyM6pLhH5If6OzYRq4TVJOAp5EmsIN0e0d 5F/UTpN8cpG7sQAX4wySw/2m/2rgcPGKsxbbdJhn03emVEawhmKDbb79oLWaebgSQZBPDxiQX+pZ+x jsF6rv+tlEGiwCkEhpZWZy2MNSpaVdbwZ4kk8P+ZDF5tTBQEWrG/O211f8J7Mxwb4SNLtjsPJiCOdT l+6kr5icWtjgphddWAeEXo1cMcH6myhstUuXrUAeLZCF6cb3F1R0mVc5VkYw== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Implement support for the Silergy SY7758 6-channel High Efficiency LED Driver used for backlight brightness control in the Ayaneo Pocket S2 dual-DSI panel. Signed-off-by: Neil Armstrong --- Changes in v4: - Fixed Kconfig typo - Remove again unused macros - Added delay.h include - Link to v3: https://patch.msgid.link/20260519-topic-sm8650-ayaneo-pocket-s2-sy7758-v3-0-ec8194bbc885@linaro.org Changes in v3: - Dropped unused macros - Added second autho entry to match header and commit message - Move my signof at the end - Switched to flseep() - Link to v2: https://patch.msgid.link/20260430-topic-sm8650-ayaneo-pocket-s2-sy7758-v2-0-308140640de9@linaro.org Changes in v2: - Fixed bindings subject and removed "|" - Added review tag - Added higher delay before reading ID from HW (100us was too short) - Removed probe defer if i2c read fails - Link to v1: https://patch.msgid.link/20260428-topic-sm8650-ayaneo-pocket-s2-sy7758-v1-0-0caade5fdb32@linaro.org --- KancyJoe (1): backlight: Add SY7758 6-channel High Efficiency LED Driver support Neil Armstrong (1): dt-bindings: leds: backlight: document the SY7758 6-channel High Efficiency LED Driver .../bindings/leds/backlight/silergy,sy7758.yaml | 53 +++++ drivers/video/backlight/Kconfig | 8 + drivers/video/backlight/Makefile | 1 + drivers/video/backlight/sy7758.c | 259 +++++++++++++++++++++ 4 files changed, 321 insertions(+) --- base-commit: 39704f00f747aba3144289870b5fd8ac230a9aaf change-id: 20260428-topic-sm8650-ayaneo-pocket-s2-sy7758-3081ee7f1e25 Best regards, -- Neil Armstrong