From 251948079f403de3406ec0456a9287eb748636ee Mon Sep 17 00:00:00 2001
From: brian <brian@vamrs.com>
Date: Tue, 25 Sep 2018 14:06:01 +0800
Subject: [PATCH] ASoC: es8316: setting gpio only when it's available

The spk_ctl_gpio may not available and no need to set, or else
there will be error message.

Change-Id: I54b1775c4d2bd695f7a5373149b14bc2501ce136
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
---
 sound/soc/codecs/es8316.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c
index 86d0eea444c5..1d4bc0f13e8b 100644
--- a/sound/soc/codecs/es8316.c
+++ b/sound/soc/codecs/es8316.c
@@ -103,7 +103,9 @@ static void es8316_enable_spk(struct es8316_priv *es8316, bool enable)
 	bool level;
 
 	level = enable ? es8316->spk_active_level : !es8316->spk_active_level;
-	gpio_set_value(es8316->spk_ctl_gpio, level);
+
+	if (INVALID_GPIO != es8316->spk_ctl_gpio)
+		gpio_set_value(es8316->spk_ctl_gpio, level);
 }
 
 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9600, 50, 1);