From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.107 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794575363; b=09jTrQfM5U1Mpl1a6nQgMwBDB+WKh/EN81q32B0azxJRRsW1EZ/FKyeaxewdoPpd7+jl MTulKkAGnw53wakxbGjm86o2aJm93/4VQ8l0CI8Z4aT+ZQ4kpGZnhZ7BVmYQ3BMELj+DB AvsYwG4myN5UucIloVFS8kBpZT7tvfXcNO+1RL690BxEFwWUYhHiKQLVyOjVsCwJKBBvk 8nWioBAcRat+5oVyzqTxWZSPb9dDaCwvezvjvaWgsF7Eu2R1y9FQTjHizV1+dnpvA6Yi/ GHC70/dZYuXdJ7hYVNOan45D/+LTZ1ONla5AGSaXEjD1KhDshQPGEPM1f6WQkzRQ+Fg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794575363; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:Content-Language:From:In-Reply-To: Content-Type:Content-Transfer-Encoding; bh=TgkZPDfiJjMh2J8e/Fv34yjDTX8rPL0Qo9+0DabzE0k=; b=CaKJf7F1iASCGxf6YXcv1Z/7++VqcP4wRsuhmewZVQqyKag1ygHCEIbm9wIkA1ioH55e bjCP/1iFq+rxWFHuDzhKYcp6YJl4MPoUM+kqi5lXw9MrN4EUr5/oVpokONF4z2n/6gtit EN9KWoFS81+wi1p18I5x8VsET99KYOX+jLlk4rLW240bkYDJKQ0JPP0zjsB1CTFUVjPgY OhUsjg/CkqxRfl0THocDVd9YJRXwvF0CXi65mvqaExt/ELlgacEzdkQFVnKnFDUS3H3oK ILoFqXx2mFgCRO8vrL7GXEYXGPopd2Gu7Tk9YK8RAn1RNVQaA0hUngNs9SYcZrteGyQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=packett.cool; spf=pass smtp.mailfrom=packett.cool; dkim=pass header.d=packett.cool header.i=@packett.cool header.a=rsa-sha256 header.s=key1 header.b=NwTvgcSx; arc=none smtp.remote-ip=95.215.58.107 Received: from mta1.migadu.com (out-107.mta1.migadu.com [95.215.58.107]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F0FFE606A32D for ; Fri, 13 Nov 2026 13:09:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org F0FFE606A32D Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=packett.cool Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=packett.cool Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=packett.cool header.i=@packett.cool header.a=rsa-sha256 header.s=key1 header.b=NwTvgcSx X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=n6h5sbKyK6McEKrI8Ar5CJ+toQhqjA8M6q8V8BhhvW4=; c=simple/simple; d=packett.cool; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794575360; v=1; x=1795180160; b=NwTvgcSxn8AY/+67Sg7b8RjgRni0YoEnbPQBc4O24To2nFZI+ytKa0ofJpRPTyFB9EeHpfmI 4wsQY7tOPf8QsbAPViKs6kyQygdtrzYZ4xqRkEj99iCNV+LlppDKrrU3vMGmhJllmrUj3JjgBBw wdPnOWLkBjMtRCsqR5+tsaXGyfjTRwjowK2ZSy5eeVIRcGa1M1vlPSSgbaeZfumWe0JiRK12wmr Dss1LW32CT0P09CjGXidT7Ua00bRbzoT2t1Vm35817v0YW+joxkVsh2g6JIsjbCTwkxY739jMOz lNI5nsBPz/8bYUjUJytvfq6l7Kr6xuDduiwgj9xWgQ2bQ== X-Envelope-To: linux-kernel@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id c0668823f57e9852; Fri, 13 Nov 2026 13:09:19 +0000 X-Mizu-Trace-ID: c0668823f57e9852 X-Migadu-Flow: FLOW_OUT Message-ID: Date: Fri, 13 Nov 2026 10:09:13 -0300 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/4] arm64: dts: qcom: sm7225-fairphone-fp4: Wire up PM6150L LCDB To: Luca Weiss , Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org References: <20261113-lcdb-enablement-v1-0-1dc40b49ed82@fairphone.com> <20261113-lcdb-enablement-v1-4-1dc40b49ed82@fairphone.com> Content-Language: en-US From: Val Packett In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/13/26 9:59 AM, Luca Weiss wrote: > On Fri Nov 13, 2026 at 9:16 AM CET, Luca Weiss wrote: >> Since Linux has gained LCDB support now, wire up the LCDB regulators so >> we can turn them off and on as desired. > Actually after some more testing with extra patches, it seems that on > FP4 the touchscreen stays dead after toggling the lcdb regulator, while > on FP3 it works perfectly fine. > > So please ignore this specific patch for now, I will figure out what the > problem is and re-submit. All the other patches in the series are still > good to go in! Your touchscreen needs to be a drm panel follower and/or reference the same supplies as well :) Most modern touch controllers are part of the same physical DDIC as the actual display side