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authorLars-Peter Clausen <lars@metafoo.de>2020-12-23 18:22:28 +0100
committerTakashi Iwai <tiwai@suse.de>2020-12-25 09:11:56 +0100
commite08eaf4003e2afbab98b8a1172b5b17323962543 (patch)
tree795e865361766ed64eecae0176b6ddd73e8f1c79 /sound/pci/sis7019.c
parentdb43394690d00508464da724e9d2f54c0ef13ea3 (diff)
ALSA: sis7019: Use DIV_ROUND_CLOSEST() instead of open-coding it
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> @r1@ expression x; constant C1; constant C2; @@ ((x) + C1) / C2 @script:python@ C1 << r1.C1; C2 << r1.C2; @@ try: if int(C1) * 2 != int(C2): cocci.include_match(False) except: cocci.include_match(False) @@ expression r1.x; constant r1.C1; constant r1.C2; @@ -(((x) + C1) / C2) +DIV_ROUND_CLOSEST(x, C2) // </smpl> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20201223172229.781-17-lars@metafoo.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/sis7019.c')
-rw-r--r--sound/pci/sis7019.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c
index 7bf6059d50fb..8ffa2f53c0b5 100644
--- a/sound/pci/sis7019.c
+++ b/sound/pci/sis7019.c
@@ -363,7 +363,7 @@ static u32 sis_rate_to_delta(unsigned int rate)
else if (rate == 48000)
delta = 0x1000;
else
- delta = (((rate << 12) + 24000) / 48000) & 0x0000ffff;
+ delta = DIV_ROUND_CLOSEST(rate << 12, 48000) & 0x0000ffff;
return delta;
}