linux-kernel - [PATCH] ALSA: hda: use swap() to make code cleaner

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Date:   Sat, 18 Dec 2021 09:54:16 +0800
From:   davidcomponentone@...il.com
To:     perex@...ex.cz
Cc:     davidcomponentone@...il.com, tiwai@...e.com, broonie@...nel.org,
        joe@...ches.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, Yang Guang <yang.guang5@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] ALSA: hda: use swap() to make code cleaner

From: Yang Guang <yang.guang5@....com.cn>

Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid
opencoding it.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: David Yang <davidcomponentone@...il.com>
Signed-off-by: Yang Guang <yang.guang5@....com.cn>
---
 sound/pci/hda/hda_auto_parser.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/sound/pci/hda/hda_auto_parser.c b/sound/pci/hda/hda_auto_parser.c
index 4a854475a0e6..82c492b05667 100644
--- a/sound/pci/hda/hda_auto_parser.c
+++ b/sound/pci/hda/hda_auto_parser.c
@@ -92,14 +92,10 @@ static int compare_input_type(const void *ap, const void *bp)
  */
 static void reorder_outputs(unsigned int nums, hda_nid_t *pins)
 {
-	hda_nid_t nid;
-
 	switch (nums) {
 	case 3:
 	case 4:
-		nid = pins[1];
-		pins[1] = pins[2];
-		pins[2] = nid;
+		swap(pins[1], pins[2]);
 		break;
 	}
 }
-- 
2.30.2