[PATCH] staging: pi433: Fix rf69_set_tx_cfg() logic

[Sidong Yang]

Moved code to configure sync to where check enable_sync option before.
There is no need to check enable_sync twice. Configuring sync should be
executed immediately after enabling sync.

Signed-off-by: Sidong Yang <realwakka@xxxxxxxxx>
---
 drivers/staging/pi433/pi433_if.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 53928af696a6..0a48d6cb9547 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -318,10 +318,17 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct pi433_tx_cfg *tx_cfg)
 			return ret;
 	}
 
+	/* configure sync, if enabled */
 	if (tx_cfg->enable_sync == OPTION_ON) {
 		ret = rf69_enable_sync(dev->spi);
 		if (ret < 0)
 			return ret;
+		ret = rf69_set_sync_size(dev->spi, tx_cfg->sync_length);
+		if (ret < 0)
+			return ret;
+		ret = rf69_set_sync_values(dev->spi, tx_cfg->sync_pattern);
+		if (ret < 0)
+			return ret;
 	} else {
 		ret = rf69_disable_sync(dev->spi);
 		if (ret < 0)
@@ -348,16 +355,6 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct pi433_tx_cfg *tx_cfg)
 			return ret;
 	}
 
-	/* configure sync, if enabled */
-	if (tx_cfg->enable_sync == OPTION_ON) {
-		ret = rf69_set_sync_size(dev->spi, tx_cfg->sync_length);
-		if (ret < 0)
-			return ret;
-		ret = rf69_set_sync_values(dev->spi, tx_cfg->sync_pattern);
-		if (ret < 0)
-			return ret;
-	}
-
 	return 0;
 }
 
-- 
2.17.1