From mboxrd@z Thu Jan 1 00:00:00 1970 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 25147346E77 for ; Sat, 28 Feb 2026 18:10:39 +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=1772302239; cv=none; b=O5PUmzIiDipRXLelzY0aa5kxEOixiIUCyvOk0icslbjfdy/HNZBQWkBFesRhQGeFNYBZ64Lx4XuvRzpTdcdUujUFHAX1ZZDCVbDmTM+x2tywdQ8Jk/oSCnk49P2jAIYnhXnJdzeYxlTjSVaQohivqzR93NA0Kcqf/p3dt/roTOE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302239; c=relaxed/simple; bh=mLpwdX+LT3Vb7On9CyMNReOHeRKCQcJXLAcOsT5Gv68=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ox9j+BBexqzuLPph615TZp6jdlZ4/swzMR/67+xGHCs4SsHesXQmdIkmcfsvMGj0mmOUIs1ftkrLD021ki6pUX2K3bzyLy8P/h8AKvrGsG7QdacbaM1JEMQWzs3Pv+R5l/qYqLvNZxMqAYgjVgCXcawiZjpoXnaVnj7HHAad+9w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Yhv9oFaC; 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="Yhv9oFaC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5CB18C19424; Sat, 28 Feb 2026 18:10:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302239; bh=mLpwdX+LT3Vb7On9CyMNReOHeRKCQcJXLAcOsT5Gv68=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Yhv9oFaCuq6ssx8yUCgpuYxFeUCI6BObaKf2m0c/SjoUp2FnniIhus7JvAGwddqlO vY/AJAFMOAN0LrIdiNFjCZ7VTsG0Kv5ykgplDpQMZur4Zb3ABAxAe9nWxBplBcK5FX QmL4UZWDViPSWFRnuEwFCwWUCYpbYqsBLc0KAczEY7Kv20kMmdvUWaW8x2jGA3ClAt uo/9JbtfcLK3fZ44v0pDnQX78Q1/vf2tm7kDIqOVADXBYvaFJBS5zRCeS2RzuN3U1S tw3XPm8QK/XybJ2ccg3D+ReBjLF497b2sPuh9760GcTNGDYoWtkkVxHMG6hKVtIqE9 hukFTT0OzooQQ== From: Sasha Levin To: patches@lists.linux.dev Cc: =?UTF-8?q?Barnab=C3=A1s=20Cz=C3=A9m=C3=A1n?= , Konrad Dybcio , "Daniel Thompson (RISCstar)" , Lee Jones , Sasha Levin Subject: [PATCH 6.6 250/283] backlight: qcom-wled: Support ovp values for PMI8994 Date: Sat, 28 Feb 2026 13:06:32 -0500 Message-ID: <20260228180709.1583486-250-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228180709.1583486-1-sashal@kernel.org> References: <20260228180709.1583486-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Barnabás Czémán [ Upstream commit f29f972a6e7e3f187ea4d89b98a76c1981ca4d53 ] WLED4 found in PMI8994 supports different ovp values. Fixes: 6fc632d3e3e0 ("video: backlight: qcom-wled: Add PMI8994 compatible") Signed-off-by: Barnabás Czémán Reviewed-by: Konrad Dybcio Reviewed-by: Daniel Thompson (RISCstar) Link: https://patch.msgid.link/20260116-pmi8950-wled-v3-2-e6c93de84079@mainlining.org Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- 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 b19e5f73de8bb..79337e84069fb 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 = { .size = ARRAY_SIZE(wled4_ovp_values), }; +static const u32 pmi8994_wled_ovp_values[] = { + 31000, 29500, 19400, 17800, +}; + +static const struct wled_var_cfg pmi8994_wled_ovp_cfg = { + .values = pmi8994_wled_ovp_values, + .size = 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) }, }; + const struct wled_u32_opts pmi8994_wled_opts[] = { + { + .name = "qcom,current-boost-limit", + .val_ptr = &cfg->boost_i_limit, + .cfg = &wled4_boost_i_limit_cfg, + }, + { + .name = "qcom,current-limit-microamp", + .val_ptr = &cfg->string_i_limit, + .cfg = &wled4_string_i_limit_cfg, + }, + { + .name = "qcom,ovp-millivolt", + .val_ptr = &cfg->ovp, + .cfg = &pmi8994_wled_ovp_cfg, + }, + { + .name = "qcom,switching-freq", + .val_ptr = &cfg->switch_freq, + .cfg = &wled3_switch_freq_cfg, + }, + }; + const struct wled_u32_opts wled5_opts[] = { { .name = "qcom,current-boost-limit", @@ -1423,8 +1455,13 @@ static int wled_configure(struct wled *wled) break; case 4: - u32_opts = wled4_opts; - size = ARRAY_SIZE(wled4_opts); + if (of_device_is_compatible(dev->of_node, "qcom,pmi8994-wled")) { + u32_opts = pmi8994_wled_opts; + size = ARRAY_SIZE(pmi8994_wled_opts); + } else { + u32_opts = wled4_opts; + size = ARRAY_SIZE(wled4_opts); + } *cfg = wled4_config_defaults; wled->wled_set_brightness = wled4_set_brightness; wled->wled_sync_toggle = wled3_sync_toggle; -- 2.51.0