linux-kernel - [PATCH -next] ASoC: amd: acp-da7219-max98357a: Fix -Wunused-variable warning

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Date:   Mon, 29 Mar 2021 22:50:37 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <Vijendar.Mukunda@....com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] ASoC: amd: acp-da7219-max98357a: Fix -Wunused-variable warning

While ACPI is not set, make W=1 warns:

sound/soc/amd/acp-da7219-max98357a.c:684:28: warning: ‘cz_rt5682_card’ defined but not used [-Wunused-variable]
 static struct snd_soc_card cz_rt5682_card = {
                            ^~~~~~~~~~~~~~
sound/soc/amd/acp-da7219-max98357a.c:671:28: warning: ‘cz_card’ defined but not used [-Wunused-variable]
 static struct snd_soc_card cz_card = {

Use #ifdef block to guard this.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 sound/soc/amd/acp-da7219-max98357a.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c
index e65e007fc604..1bf0458e22a8 100644
--- a/sound/soc/amd/acp-da7219-max98357a.c
+++ b/sound/soc/amd/acp-da7219-max98357a.c
@@ -47,13 +47,15 @@
 #define DUAL_CHANNEL		2
 #define RT5682_PLL_FREQ (48000 * 512)
 
+extern bool bt_uart_enable;
+void *acp_soc_is_rltk_max(struct device *dev);
+
+#ifdef CONFIG_ACPI
 static struct snd_soc_jack cz_jack;
 static struct clk *da7219_dai_wclk;
 static struct clk *da7219_dai_bclk;
 static struct clk *rt5682_dai_wclk;
 static struct clk *rt5682_dai_bclk;
-extern bool bt_uart_enable;
-void *acp_soc_is_rltk_max(struct device *dev);
 
 static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
 {
@@ -692,6 +694,7 @@ static struct snd_soc_card cz_rt5682_card = {
 	.controls = cz_mc_controls,
 	.num_controls = ARRAY_SIZE(cz_mc_controls),
 };
+#endif
 
 void *acp_soc_is_rltk_max(struct device *dev)
 {
-- 
2.17.1