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 4C345248881; Wed, 25 Feb 2026 01:38:19 +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=1771983499; cv=none; b=DBWI/IB3Fj0B7FTVs0aIcMye39bzj4fyxPhLv6/qb1+zXyKsm9WDVT7vYuiaAJJZ1s9V5k8hNlpKQeCldHVP/V7kH+a2CL0X1WNDSsKTnaWuzPIKAfG6U0Fxq4HNosqYkf4IvhcEVC3JP8hFQBHL/pizlsQ+8kpq1OP2XrT0uoU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771983499; c=relaxed/simple; bh=PwIU2QL4nCLuXkww2/5ivuk0n/6oQyFgDMxM8ZS7DUQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=HS77t3AYBRYx7il8RREsrI4l31YSAKzrqyZMzqE21d3osTkqmd1Bdh/hnhZsOSJXyyYcX8hS4643ELxOZjjUGvo+qSOYzMDz2QOPMYPJZbCMg5DdWTYIl8PaSz9T3C9bncm6WvAqs1a/eylmgiTYfLHpCunzVlrfcHEfDxrB894= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=mufNaIF6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="mufNaIF6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DE8CC116D0; Wed, 25 Feb 2026 01:38:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1771983499; bh=PwIU2QL4nCLuXkww2/5ivuk0n/6oQyFgDMxM8ZS7DUQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mufNaIF6FkdHDJ2cfyejJ50HjT1trDFr1dOvOcF7eLXVd8KqVgQ/7qXdM5iXkUC9g NmrnJQlAC/6U0SZXLUrjwhVleTi0QxpAU43vpf5aKPKtm0J9twpXiP5QlFdTdmNzbK e6aYalUTBVn6l9wJeE+IDxAneydmZgIJtZqp7iHs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Barnab=C3=A1s=20Cz=C3=A9m=C3=A1n?= , Konrad Dybcio , "Daniel Thompson (RISCstar)" , Lee Jones , Sasha Levin Subject: [PATCH 6.19 608/781] backlight: qcom-wled: Support ovp values for PMI8994 Date: Tue, 24 Feb 2026 17:21:57 -0800 Message-ID: <20260225012414.707385934@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260225012359.695468795@linuxfoundation.org> References: <20260225012359.695468795@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.19-stable review patch. If anyone has any objections, please let me know. ------------------ 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 a63bb42c8f8b0..5decbd39b7899 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