From patchwork Mon Nov 15 20:34:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marijn Suijten X-Patchwork-Id: 12620397 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 E7D23C433EF for ; Mon, 15 Nov 2021 20:35:26 +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 B7AF660FBF for ; Mon, 15 Nov 2021 20:35:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B7AF660FBF 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 32E516E48B; Mon, 15 Nov 2021 20:35:17 +0000 (UTC) Received: from relay04.th.seeweb.it (relay04.th.seeweb.it [IPv6:2001:4b7a:2000:18::165]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9C1EB6E48B for ; Mon, 15 Nov 2021 20:35:13 +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 A006720142; Mon, 15 Nov 2021 21:35:11 +0100 (CET) From: Marijn Suijten To: phone-devel@vger.kernel.org, Andy Gross , Bjorn Andersson , Rob Herring , Lee Jones , Daniel Thompson , Jingoo Han Subject: [PATCH v3 7/9] backlight: qcom-wled: Provide enabled_strings default for WLED 4 and 5 Date: Mon, 15 Nov 2021 21:34:57 +0100 Message-Id: <20211115203459.1634079-8-marijn.suijten@somainline.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115203459.1634079-1-marijn.suijten@somainline.org> References: <20211115203459.1634079-1-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, resulting 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(+) diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c index 5c5df5a3deab..f975c1f6398b 100644 --- a/drivers/video/backlight/qcom-wled.c +++ b/drivers/video/backlight/qcom-wled.c @@ -1079,6 +1079,7 @@ 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) @@ -1192,6 +1193,7 @@ 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[] = {