ALSA: cx46xx: Use DIV_ROUND_UP() instead of open-coding it

Use DIV_ROUND_UP() 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) - 1) / (y))
+DIV_ROUND_UP(x, y)
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Link: https://lore.kernel.org/r/20201223172229.781-5-lars@metafoo.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 4490dd7..37f516e 100644 (file)
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -813,7 +813,7 @@ static void snd_cs46xx_set_capture_sample_rate(struct snd_cs46xx *chip, unsigned
        correctionPerGOF = tmp1 / GOF_PER_SEC;
        tmp1 -= correctionPerGOF * GOF_PER_SEC;
        correctionPerSec = tmp1;
-       initialDelay = ((48000 * 24) + rate - 1) / rate;
+       initialDelay = DIV_ROUND_UP(48000 * 24, rate);
 
        /*
         *  Fill in the VariDecimate control block.