[PATCH] sound: hda: tas2781: mark const variables as __maybe_unused

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From: Arnd Bergmann <arnd@xxxxxxxx>

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/tas2781-tlv.h:23:28: error: 'tas2563_dvc_table' defined but not used [-Werror=unused-const-variable=]
   23 | static const unsigned char tas2563_dvc_table[][4] = {
      |                            ^~~~~~~~~~~~~~~~~
In file included from include/sound/tlv.h:10,
                 from sound/pci/hda/tas2781_hda_i2c.c:22:
include/sound/tas2781-tlv.h:20:35: error: 'tas2563_dvc_tlv' defined but not used [-Werror=unused-const-variable=]
   20 | static const DECLARE_TLV_DB_SCALE(tas2563_dvc_tlv, -12150, 50, 1);
      |                                   ^~~~~~~~~~~~~~~

Mark them all as unused as well.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
 include/sound/tas2781-tlv.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/sound/tas2781-tlv.h b/include/sound/tas2781-tlv.h
index 99c41bfc7827..00fd4d449ff3 100644
--- a/include/sound/tas2781-tlv.h
+++ b/include/sound/tas2781-tlv.h
@@ -16,11 +16,11 @@
 #define __TAS2781_TLV_H__
 
 static const __maybe_unused DECLARE_TLV_DB_SCALE(dvc_tlv, -10000, 100, 0);
-static const DECLARE_TLV_DB_SCALE(amp_vol_tlv, 1100, 50, 0);
-static const DECLARE_TLV_DB_SCALE(tas2563_dvc_tlv, -12150, 50, 1);
+static const __maybe_unused DECLARE_TLV_DB_SCALE(amp_vol_tlv, 1100, 50, 0);
+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 */
-- 
2.39.2





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