From nobody Mon Feb 9 12:25:19 2026 Received: from mail.mainlining.org (mail.mainlining.org [5.75.144.95]) (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 BB40132938A; Fri, 16 Jan 2026 07:08:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=5.75.144.95 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768547287; cv=none; b=IS1SGHHYf7gOHsaKK+D/EL32qJbc5hSTzKBeoWkP0cUfb83bazDz2YS7hvIu5AqItW0XkZfDrpvLYJnLkWNsr9NDoOlGORVbCJiwnNDZyxokEMaJaLhnFkK9bYBWLVobqwICwhrFgfbShiV491z2KRZ3SxCtV+00lCNrWaApZI0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768547287; c=relaxed/simple; bh=C7f1Wsl4PAXBG1FKv0Z/4MadLG834+BqLQH+xcJmGYA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=D+Jl8Manb+ut6BJYvj/BytytatknWLZMzOQcyWHjF4VR/5aKz1wQ6I/Wwo+xOaToTTXO5OhBX57Z+EiblhjlE98t6te/OPYMoybjjJ+ECCIn7IK6FYuHjsudVCssks32uonM6qke2mkt1H+nL/49T4zNiyhwwJAfBpBtnuuQ4K4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mainlining.org; spf=pass smtp.mailfrom=mainlining.org; dkim=pass (2048-bit key) header.d=mainlining.org header.i=@mainlining.org header.b=kyznlMjT; dkim=permerror (0-bit key) header.d=mainlining.org header.i=@mainlining.org header.b=UYWnlIdz; arc=none smtp.client-ip=5.75.144.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mainlining.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mainlining.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mainlining.org header.i=@mainlining.org header.b="kyznlMjT"; dkim=permerror (0-bit key) header.d=mainlining.org header.i=@mainlining.org header.b="UYWnlIdz" DKIM-Signature: v=1; a=rsa-sha256; s=202507r; d=mainlining.org; c=relaxed/relaxed; h=To:Message-Id:Subject:Date:From; t=1768547278; bh=RjCN5VQHgx91mUr87hbsMZ0 O/PV+IbGWFJvvdqUb2QY=; b=kyznlMjT16s5MlI8bcl9xOXxGJ6LrOHfL2kEeo5dfNC6RExQ8a SptTqj+zdvMY9AwdqQbGJ/BA4171qdTfmw/sykfcIB8hbCaZcBXPOahXHpPGSiiwNpkINiwTGLa h01HiZWZq5iwAUVvsvVC86lGR1Ys+5UtpzQM11dpS+WWM8HmhAp0lmkcpazoM/TL9nE75JAa7Ze VkxDjF3MImWvP+SrVNcnGqrrRNg17n4gwZ9se/vd1RzkZbTxs9ZLyX/zZ27PsMwhpo1X4HGVVnU C5QvqDGPWeMMbBAckVjQOELPjlj86sBQkSSJ4pmL/jWurJcwiHlvSS01ACneJxDo6UA==; DKIM-Signature: v=1; a=ed25519-sha256; s=202507e; d=mainlining.org; c=relaxed/relaxed; h=To:Message-Id:Subject:Date:From; t=1768547278; bh=RjCN5VQHgx91mUr87hbsMZ0 O/PV+IbGWFJvvdqUb2QY=; b=UYWnlIdzVJKu4F/3dC7wReuaMP1qNdLEotHpWx3SLjsRgKHXTu LEM16tYfZ8ZqiPcEou2oYA68lt0Td2pEAdAA==; From: =?utf-8?q?Barnab=C3=A1s_Cz=C3=A9m=C3=A1n?= Date: Fri, 16 Jan 2026 08:07:34 +0100 Subject: [PATCH v3 2/7] backlight: qcom-wled: Support ovp values for PMI8994 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: <20260116-pmi8950-wled-v3-2-e6c93de84079@mainlining.org> References: <20260116-pmi8950-wled-v3-0-e6c93de84079@mainlining.org> In-Reply-To: <20260116-pmi8950-wled-v3-0-e6c93de84079@mainlining.org> To: Lee Jones , Daniel Thompson , Jingoo Han , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Kiran Gunda , Helge Deller , Luca Weiss , Konrad Dybcio , Eugene Lepshy , Gianluca Boiano , Alejandro Tafalla Cc: dri-devel@lists.freedesktop.org, linux-leds@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Thompson , linux-arm-msm@vger.kernel.org, linux-fbdev@vger.kernel.org, Konrad Dybcio , =?utf-8?q?Barnab=C3=A1s_Cz=C3=A9m=C3=A1n?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1768547276; l=2315; i=barnabas.czeman@mainlining.org; s=20240730; h=from:subject:message-id; bh=C7f1Wsl4PAXBG1FKv0Z/4MadLG834+BqLQH+xcJmGYA=; b=zY8EdQADuq0Cuq6XFUvpqNHgufGwZuwqSTuwga6EYYtRN+JBM51Hw6ofa3SWUEg0nDifa2j8H 6KaR2pDNoygDPUrGDxhObElF1kIEkm9h4q+M961Bxjhkrs3HoklnHeO X-Developer-Key: i=barnabas.czeman@mainlining.org; a=ed25519; pk=TWUSIGgwW/Sn4xnX25nw+lszj1AT/A3bzkahn7EhOFc= WLED4 found in PMI8994 supports different ovp values. Fixes: 6fc632d3e3e0 ("video: backlight: qcom-wled: Add PMI8994 compatible") Reviewed-by: Konrad Dybcio Signed-off-by: Barnab=C3=A1s Cz=C3=A9m=C3=A1n Reviewed-by: Daniel Thompson (RISCstar) --- drivers/video/backlight/qcom-wled.c | 41 +++++++++++++++++++++++++++++++++= ++-- 1 file changed, 39 insertions(+), 2 deletions(-) diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/= qcom-wled.c index a63bb42c8f8b..5decbd39b789 100644 --- a/drivers/video/backlight/qcom-wled.c +++ b/drivers/video/backlight/qcom-wled.c @@ -1244,6 +1244,15 @@ static const struct wled_var_cfg wled4_ovp_cfg =3D { .size =3D ARRAY_SIZE(wled4_ovp_values), }; =20 +static const u32 pmi8994_wled_ovp_values[] =3D { + 31000, 29500, 19400, 17800, +}; + +static const struct wled_var_cfg pmi8994_wled_ovp_cfg =3D { + .values =3D pmi8994_wled_ovp_values, + .size =3D ARRAY_SIZE(pmi8994_wled_ovp_values), +}; + static inline u32 wled5_ovp_values_fn(u32 idx) { /* @@ -1357,6 +1366,29 @@ static int wled_configure(struct wled *wled) }, }; =20 + const struct wled_u32_opts pmi8994_wled_opts[] =3D { + { + .name =3D "qcom,current-boost-limit", + .val_ptr =3D &cfg->boost_i_limit, + .cfg =3D &wled4_boost_i_limit_cfg, + }, + { + .name =3D "qcom,current-limit-microamp", + .val_ptr =3D &cfg->string_i_limit, + .cfg =3D &wled4_string_i_limit_cfg, + }, + { + .name =3D "qcom,ovp-millivolt", + .val_ptr =3D &cfg->ovp, + .cfg =3D &pmi8994_wled_ovp_cfg, + }, + { + .name =3D "qcom,switching-freq", + .val_ptr =3D &cfg->switch_freq, + .cfg =3D &wled3_switch_freq_cfg, + }, + }; + const struct wled_u32_opts wled5_opts[] =3D { { .name =3D "qcom,current-boost-limit", @@ -1423,8 +1455,13 @@ static int wled_configure(struct wled *wled) break; =20 case 4: - u32_opts =3D wled4_opts; - size =3D ARRAY_SIZE(wled4_opts); + if (of_device_is_compatible(dev->of_node, "qcom,pmi8994-wled")) { + u32_opts =3D pmi8994_wled_opts; + size =3D ARRAY_SIZE(pmi8994_wled_opts); + } else { + u32_opts =3D wled4_opts; + size =3D ARRAY_SIZE(wled4_opts); + } *cfg =3D wled4_config_defaults; wled->wled_set_brightness =3D wled4_set_brightness; wled->wled_sync_toggle =3D wled3_sync_toggle; --=20 2.52.0