From patchwork Fri Nov 12 00:27:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marijn Suijten X-Patchwork-Id: 12615961 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1AC21C433EF for ; Fri, 12 Nov 2021 00:27:49 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DE00760F59 for ; Fri, 12 Nov 2021 00:27:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DE00760F59 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=somainline.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 844176E9DD; Fri, 12 Nov 2021 00:27:34 +0000 (UTC) Received: from relay03.th.seeweb.it (relay03.th.seeweb.it [5.144.164.164]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7BFEA6E9D3 for ; Fri, 12 Nov 2021 00:27:17 +0000 (UTC) Received: from Marijn-Arch-PC.localdomain (94-209-165-62.cable.dynamic.v4.ziggo.nl [94.209.165.62]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r1.th.seeweb.it (Postfix) with ESMTPSA id 84079203C9; Fri, 12 Nov 2021 01:27:15 +0100 (CET) From: Marijn Suijten To: phone-devel@vger.kernel.org, Andy Gross , Bjorn Andersson , Rob Herring , Lee Jones , Daniel Thompson , Jingoo Han Subject: [RESEND PATCH v2 07/13] backlight: qcom-wled: Provide enabled_strings default for WLED 4 and 5 Date: Fri, 12 Nov 2021 01:27:00 +0100 Message-Id: <20211112002706.453289-8-marijn.suijten@somainline.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211112002706.453289-1-marijn.suijten@somainline.org> References: <20211112002706.453289-1-marijn.suijten@somainline.org> MIME-Version: 1.0 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: , Cc: devicetree@vger.kernel.org, linux-fbdev@vger.kernel.org, Kiran Gunda , Pavel Dubrova , Jami Kettunen , linux-arm-msm@vger.kernel.org, Bryan Wu , Konrad Dybcio , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Martin Botka , ~postmarketos/upstreaming@lists.sr.ht, AngeloGioacchino Del Regno , Marijn Suijten Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Only WLED 3 sets a sensible default that allows operating this driver with just qcom,num-strings in the DT; WLED 4 and 5 require qcom,enabled-strings to be provided otherwise enabled_strings remains zero-initialized, resuling in every string-specific register write (currently only the setup and config functions, brightness follows in a future patch) to only configure the zero'th string multiple times. Signed-off-by: Marijn Suijten Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Daniel Thompson --- drivers/video/backlight/qcom-wled.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.33.0 diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c index c342cd8440e1..a8fb8f19922d 100644 --- a/drivers/video/backlight/qcom-wled.c +++ b/drivers/video/backlight/qcom-wled.c @@ -1077,6 +1077,7 @@ static const struct wled_config wled4_config_defaults = { .cabc = false, .external_pfet = false, .auto_detection_enabled = false, + .enabled_strings = {0, 1, 2, 3}, }; static int wled5_setup(struct wled *wled) @@ -1190,6 +1191,7 @@ static const struct wled_config wled5_config_defaults = { .cabc = false, .external_pfet = false, .auto_detection_enabled = false, + .enabled_strings = {0, 1, 2, 3}, }; static const u32 wled3_boost_i_limit_values[] = {