linux-kernel - [PATCH -next] ASoC: Intel: fix unused-variable warning in probe

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Date:   Mon, 22 Aug 2022 11:51:33 +0800
From:   Gaosheng Cui <cuigaosheng1@...wei.com>
To:     <cezary.rojewski@...el.com>,
        <pierre-louis.bossart@...ux.intel.com>,
        <liam.r.girdwood@...ux.intel.com>,
        <peter.ujfalusi@...ux.intel.com>,
        <yung-chuan.liao@...ux.intel.com>,
        <ranjani.sridharan@...ux.intel.com>,
        <kai.vehmanen@...ux.intel.com>, <broonie@...nel.org>,
        <perex@...ex.cz>, <tiwai@...e.com>, <cuigaosheng1@...wei.com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] ASoC: Intel: fix unused-variable warning in probe_codec

In configurations with CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC=n,
gcc warns about an unused variable:

sound/soc/intel/skylake/skl.c: In function ‘probe_codec’:
sound/soc/intel/skylake/skl.c:729:18: error: unused variable ‘skl’ [-Werror=unused-variable]
  struct skl_dev *skl = bus_to_skl(bus);
                  ^~~
cc1: all warnings being treated as errors

Fixes: 3fd63658caed9 ("ASoC: Intel: Drop hdac_ext usage for codec device creation")
Signed-off-by: Gaosheng Cui <cuigaosheng1@...wei.com>
---
 sound/soc/intel/skylake/skl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index c7c1cad2a753..52a041d6144c 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -726,8 +726,8 @@ static int probe_codec(struct hdac_bus *bus, int addr)
 	unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
 		(AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
 	unsigned int res = -1;
-	struct skl_dev *skl = bus_to_skl(bus);
 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC)
+	struct skl_dev *skl = bus_to_skl(bus);
 	struct hdac_hda_priv *hda_codec;
 #endif
 	struct hda_codec *codec;
-- 
2.25.1