From nobody Thu Oct 9 01:14:25 2025 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CB4FC1D07BA; Sun, 22 Jun 2025 11:03:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750590243; cv=none; b=FRYVl/JGfv7yu4aMC6WkYk1iBSnLXqFkF744dMwdWC4fRbVuci0bLjKE/HwmuoE1WPPG1ZegimEwp2xM1LIBlnijoI8MTNR1vnpek70pLIL8d/XaDjwBilgr8axAxEwaeSEYSGNFwOsb8LkviC9vAPfXsvI2dNvBA9n8hCcbrD8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750590243; c=relaxed/simple; bh=Qc+kl+BZULne/++22l7jmMT41bJToxl4RbYBXn5+pWY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=NNcZV07z+z+pwua9vKGF84HaduDoJpiOWhd0+5elPEQsSynKCvZdSTkuhwYibX041IB1P+Mbr7BBOE/9XHX2j7hgVCbdponNLGYKCkBGgDEu+Cq1+LYhzWhL16zYWgLY4UiEjpdmfCgIlRFc8Tzk/GfvulkoGrHb+i8TZeBlG/c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.68.149]) by gateway (Coremail) with SMTP id _____8AxDGut4ldo7R0bAQ--.61247S3; Sun, 22 Jun 2025 19:02:05 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.149]) by front1 (Coremail) with SMTP id qMiowMAxjhum4ldoBa0lAQ--.33504S2; Sun, 22 Jun 2025 19:02:03 +0800 (CST) From: Huacai Chen To: Greg Kroah-Hartman , Sasha Levin , Huacai Chen Cc: Xuerui Wang , stable@vger.kernel.org, ziyao@disroot.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Huacai Chen Subject: [PATCH for 6.1/6.6] platform/loongarch: laptop: Fix build error due to backport Date: Sun, 22 Jun 2025 19:01:48 +0800 Message-ID: <20250622110148.3108758-1-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMAxjhum4ldoBa0lAQ--.33504S2 X-CM-SenderInfo: hfkh0x5xdftxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoW7Cr4DtFyrZF1UWFyfWFWDKFX_yoW8JFWkp3 9rC34UArWUGrs2qa1Dt348ur45Za43A3y2vay7A34q9asxX34j9r1Utas8GF12qay8Ar1Y qF95G3W5uF45uwbCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUkFb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1Y6r17McIj6I8E87Iv 67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2 Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s02 6x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0x vE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6x kF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07j1WlkUUUUU= Content-Type: text/plain; charset="utf-8" In 6.1/6.6 there is no BACKLIGHT_POWER_ON definition so a build error occurs due to recently backport: CC drivers/platform/loongarch/loongson-laptop.o drivers/platform/loongarch/loongson-laptop.c: In function 'laptop_backlight= _register': drivers/platform/loongarch/loongson-laptop.c:428:23: error: 'BACKLIGHT_POWE= R_ON' undeclared (first use in this function) 428 | props.power =3D BACKLIGHT_POWER_ON; | ^~~~~~~~~~~~~~~~~~ Use FB_BLANK_UNBLANK instead which has the same meaning. Signed-off-by: Huacai Chen --- drivers/platform/loongarch/loongson-laptop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/loongarch/loongson-laptop.c b/drivers/platfor= m/loongarch/loongson-laptop.c index 61b18ac206c9..5fcfa3a7970b 100644 --- a/drivers/platform/loongarch/loongson-laptop.c +++ b/drivers/platform/loongarch/loongson-laptop.c @@ -425,7 +425,7 @@ static int laptop_backlight_register(void) =20 props.max_brightness =3D status; props.brightness =3D ec_get_brightness(); - props.power =3D BACKLIGHT_POWER_ON; + props.power =3D FB_BLANK_UNBLANK; props.type =3D BACKLIGHT_PLATFORM; =20 backlight_device_register("loongson_laptop", --=20 2.47.1