From nobody Tue Feb 10 07:40:31 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 BB1A65B5AB; Thu, 4 Dec 2025 14:35:28 +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=1764858928; cv=none; b=mzuMtTsNfiVyFRqj1dj4MfaHQFA8b4lIohi0AY4K5JoyRnov/yvjY8Izm0ASSpTF3X9RnPgAlMqGFvayXcz8rqijJJQCH9DLRj6h3DD4MTCCphpU79G/5WFynxKU0YUwj0d2XguZx1gJQa+cgiZwJAXtImIxK+W8Csg+raHoG4Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764858928; c=relaxed/simple; bh=jcPepnZLZgpDua5txvocFEmcFpPGA3RIdeogtsflON8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Z4mrD3r4YIQ8gUDk9ZJJ0FMQQfO1ZjnpCTOTGeWFsFiMdOuTfc6vPi7459qLgA/ypX/vYhDzjRF30ffVuKOXYyc5F3By2nEWAQQsN0UyNI5CSFozbl53Hmqc+us4x6m3i0BxLpqd3k8xSNi/uh0NUQuDNBZjs6LKMILPwUA9QT8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qv3J2RDL; 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="qv3J2RDL" Received: by smtp.kernel.org (Postfix) with ESMTPS id 5A52DC116B1; Thu, 4 Dec 2025 14:35:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764858928; bh=jcPepnZLZgpDua5txvocFEmcFpPGA3RIdeogtsflON8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=qv3J2RDLwPlkbGtjD7fB8ZxiEBr1/tQ1zXFJtXLkt2Le/h+/PGf4lodjfJiVob+2p b/VPSyHrw7b0+Z6OPp5JEN06qvN8ltpfqzFt4QLT9My+iWF6JRXIaDQ/1+kwxd58O/ oLEtHaG4eCzTsigp0uVSoWpu548QgZrG3z/HdH+n4zlvwnufM9RvSw8M90v1aD8C28 qSItcXzI+YfTKiPsWoHoeAK2CcfWg3ExgU3X071gfnjPRkJ5Uo3pFjXcARg+KFoKJ0 V+fOWcrHRgo6cqI24kKK2UzUTk/Yw+zW23qs2cqwtU8rPCQxKnY6fCc3Mv+J35Osme ktrovyxVz1QAQ== 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 4C4D6D206B2; Thu, 4 Dec 2025 14:35:28 +0000 (UTC) From: Petri Karhula via B4 Relay Date: Thu, 04 Dec 2025 14:35:27 +0000 Subject: [PATCH v5 2/2] mfd: cgbc: Add support for backlight 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: <20251204-cgbc-backlight-v5-2-26f1be6a69c3@novatron.fi> References: <20251204-cgbc-backlight-v5-0-26f1be6a69c3@novatron.fi> In-Reply-To: <20251204-cgbc-backlight-v5-0-26f1be6a69c3@novatron.fi> To: Thomas Richard , Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, Petri Karhula X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1764858927; l=730; i=petri.karhula@novatron.fi; s=20251118; h=from:subject:message-id; bh=KPNSZCbWidPbzGQwgMCbuFj/C6Dnnhi7zAXThQ+Pso8=; b=qodL7XDtf8qnh34WGfen5MG7V/8ECPtObHwrm0SZEeQ7KZYuXD00kUX91CRBxrVkTBH+KPESd tUPwb80sfWgB5lJeyV3gkaXjleoV+IOHUAMvMhAkfirjJ/j5kbwOpzV X-Developer-Key: i=petri.karhula@novatron.fi; a=ed25519; pk=LRYJ99jPPsHJwdJEPkqlmzAMqo6oyw7I421aHEfDp7o= X-Endpoint-Received: by B4 Relay for petri.karhula@novatron.fi/20251118 with auth_id=567 X-Original-From: Petri Karhula Reply-To: petri.karhula@novatron.fi From: Petri Karhula The Board Controller has control for display backlight. Add backlight cell for the cgbc-backlight driver which adds support for backlight brightness control. Signed-off-by: Petri Karhula --- drivers/mfd/cgbc-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/cgbc-core.c b/drivers/mfd/cgbc-core.c index 4782ff1114a9..10bb4b414c34 100644 --- a/drivers/mfd/cgbc-core.c +++ b/drivers/mfd/cgbc-core.c @@ -237,6 +237,7 @@ static struct mfd_cell cgbc_devs[] =3D { { .name =3D "cgbc-i2c", .id =3D 1 }, { .name =3D "cgbc-i2c", .id =3D 2 }, { .name =3D "cgbc-hwmon" }, + { .name =3D "cgbc-backlight" }, }; =20 static int cgbc_map(struct cgbc_device_data *cgbc) --=20 2.34.1