From nobody Mon Dec 1 22:38:28 2025 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 ED83A3358CC; Thu, 27 Nov 2025 15:22:00 +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=1764256923; cv=none; b=OnZb81uc74m1I6bg1jxys9zJWE/Sm0WfK8vVQ6/tGTKJybHTWi/p799RWcnadPI1I3CXmT5eGlifdpespExwgLXwoys+zAB0kQbM794ypsHA/cnZiQjiOSl0h2m84B+y7SBlrc7S0nI6Y+2HjW/f7H5LBy30tbcRQIw7gvJ9qg4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764256923; c=relaxed/simple; bh=jcPepnZLZgpDua5txvocFEmcFpPGA3RIdeogtsflON8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=j4JxNJlh0z8I0RgL9LbjeAsJK/cWS+m5YLRe+cfH+fvEawpR/0hJGlrELMyj+35YaiRod8FWd9LPyHzV4y+gFfHw/EiFRHmQ9opVV8nVpUPl108cNSpuBBmvr8ZrN38X2kuHTzBQlWEJ1wvpqj5QNDYuceI8KaT96CcLlUztxb0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FJkPje3t; 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="FJkPje3t" Received: by smtp.kernel.org (Postfix) with ESMTPS id 96300C116D0; Thu, 27 Nov 2025 15:22:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764256920; bh=jcPepnZLZgpDua5txvocFEmcFpPGA3RIdeogtsflON8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=FJkPje3tTCGdHtnTEx/KMCWBYmgJscR+W3TgsoJ5utstmrJd0gBb48OFttWsu35i4 rv+N13OGBJTLAX7wUBqKC00LktGNfdN3v7SqHej3j89VWJn3aLJbv5bovWwwnkOR0R CTfYTzBr16PqFvMVCsdxfYbMejQU+Sj+HYMnblPWLH5ZDs70VdFD2RU87bBZClafEv ZLITrV2Q8QyVogIuGImFfULlJchEsrbo/unqfHrqbfmwtXsyqXrtXNtYucUPIpfRRB mgp2Tkwu77Wkrd6EMnfe8kkHvfdv94eeaR0aLVEa4im7q2WGK0dv+MBvLZ5FZVvj5Q gm8NxJUac4R0w== 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 8CCABD116F5; Thu, 27 Nov 2025 15:22:00 +0000 (UTC) From: Petri Karhula via B4 Relay Date: Thu, 27 Nov 2025 15:22:00 +0000 Subject: [PATCH v4 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: <20251127-cgbc-backlight-v4-2-626523b7173d@novatron.fi> References: <20251127-cgbc-backlight-v4-0-626523b7173d@novatron.fi> In-Reply-To: <20251127-cgbc-backlight-v4-0-626523b7173d@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=1764256919; l=730; i=petri.karhula@novatron.fi; s=20251118; h=from:subject:message-id; bh=KPNSZCbWidPbzGQwgMCbuFj/C6Dnnhi7zAXThQ+Pso8=; b=e2lTmkqyYL2lvoBpDSI9YvqxziY/8WcYfbee+pofEMx4BfEH0cI64hldpZ5qWBMQaPCGx+dbW wN4GsI6gxYtDJAQHmLwZwtRrftEmknjdQxiJrFL4zg8YRHtg+7/tIH4 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