linux-kernel - [PATCH v1] ALSA: hda: tas2563: mark const variables as __maybe

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Message-ID: <20240814122043.1731-1-shenghao-ding@ti.com>
Date: Wed, 14 Aug 2024 20:20:42 +0800
From: Shenghao Ding <shenghao-ding@...com>
To: <broonie@...nel.org>
CC: <andriy.shevchenko@...ux.intel.com>, <lgirdwood@...il.com>,
        <perex@...ex.cz>, <pierre-louis.bossart@...ux.intel.com>,
        <13564923607@....com>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>, <liam.r.girdwood@...el.com>,
        <cameron.berkenpas@...il.com>, <tiwai@...e.de>, <baojun.xu@...com>,
        <soyer@....hu>, <Baojun.Xu@....com>, <robinchen@...com>,
        Shenghao Ding
	<shenghao-ding@...com>
Subject: [PATCH v1] ALSA: hda: tas2563: mark const variables as __maybe_unused

From: Baojun Xu <baojun.xu@...com>

An earlier patch changed the DECLARE_TLV_DB_SCALE declaration, but
now there are additional static const variables that cause
the same build warnings:

In file included from sound/pci/hda/tas2781_hda_i2c.c:23:
include/sound/tas2563-tlv.h:21:28: error: 'tas2563_dvc_table' defined but not used [-Werror=unused-const-variable=]
   21 | static const unsigned char tas2563_dvc_table[][4] = {
      |                            ^~~~~~~~~~~~~~~~~                                 ^~~~~~~~~~~~~~~

Mark it as unused as well.

Signed-off-by: Shenghao Ding <shenghao-ding@...com>

---
v1:
---
 include/sound/tas2563-tlv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/sound/tas2563-tlv.h b/include/sound/tas2563-tlv.h
index faa3e194f73b..bb269b21f460 100644
--- a/include/sound/tas2563-tlv.h
+++ b/include/sound/tas2563-tlv.h
@@ -18,7 +18,7 @@
 static const __maybe_unused DECLARE_TLV_DB_SCALE(tas2563_dvc_tlv, -12150, 50, 1);
 
 /* pow(10, db/20) * pow(2,30) */
-static const unsigned char tas2563_dvc_table[][4] = {
+static const __maybe_unused unsigned char tas2563_dvc_table[][4] = {
 	{ 0X00, 0X00, 0X00, 0X00 }, /* -121.5db */
 	{ 0X00, 0X00, 0X03, 0XBC }, /* -121.0db */
 	{ 0X00, 0X00, 0X03, 0XF5 }, /* -120.5db */
-- 
2.43.0