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From: Lars-Peter Clausen <lars@metafoo.de>
To: Takashi Iwai <tiwai@suse.com>
Cc: alsa-devel@alsa-project.org, Lars-Peter Clausen <lars@metafoo.de>
Subject: [PATCH 14/18] ALSA: sonicvibes: Use DIV_ROUND_CLOSEST() instead of open-coding it
Date: Wed, 23 Dec 2020 18:22:25 +0100	[thread overview]
Message-ID: <20201223172229.781-14-lars@metafoo.de> (raw)
In-Reply-To: <20201223172229.781-1-lars@metafoo.de>

Use DIV_ROUND_CLOSEST() instead of open-coding it. This documents intent
and makes it more clear what is going on for the casual reviewer.

Generated using the following the Coccinelle semantic patch.

// <smpl>
@@
expression x, y;
@@
-((x) + ((y) / 2)) / (y)
+DIV_ROUND_CLOSEST(x, y)
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
---
 sound/pci/sonicvibes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/sonicvibes.c b/sound/pci/sonicvibes.c
index ecdd54d7a4e1..bd805e416e12 100644
--- a/sound/pci/sonicvibes.c
+++ b/sound/pci/sonicvibes.c
@@ -570,7 +570,7 @@ static void snd_sonicvibes_set_dac_rate(struct sonicvibes * sonic, unsigned int
 	unsigned int div;
 	unsigned long flags;
 
-	div = (rate * 65536 + SV_FULLRATE / 2) / SV_FULLRATE;
+	div = DIV_ROUND_CLOSEST(rate * 65536, SV_FULLRATE);
 	if (div > 65535)
 		div = 65535;
 	spin_lock_irqsave(&sonic->reg_lock, flags);
-- 
2.20.1


  parent reply	other threads:[~2020-12-23 17:47 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-23 17:22 [PATCH 01/18] ALSA: core: Use DIV_ROUND_UP() instead of open-coding it Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 02/18] ALSA: aloop: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 03/18] ALSA: asihpi: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 04/18] ALSA: bt87x: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 05/18] ALSA: cx46xx: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 06/18] ALSA: ctxfi: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 07/18] ALSA: dummy: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 08/18] ALSA: emu10k1: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 09/18] ALSA: hda: Use DIV_ROUND_UP()/roundup() " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 10/18] ALSA: lola: Use DIV_ROUND_UP() " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 11/18] ALSA: usb: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 12/18] ALSA: vx: Use roundup() " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 13/18] ALSA: oss: Use DIV_ROUND_CLOSEST() " Lars-Peter Clausen
2020-12-23 17:22 ` Lars-Peter Clausen [this message]
2020-12-23 17:22 ` [PATCH 15/18] ALSA: trident: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 16/18] ALSA: ens1370: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 17/18] ALSA: sis7019: " Lars-Peter Clausen
2020-12-23 17:22 ` [PATCH 18/18] ALSA: maestro: " Lars-Peter Clausen
2020-12-25  8:16 ` [PATCH 01/18] ALSA: core: Use DIV_ROUND_UP() " Takashi Iwai

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