diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2020-12-23 20:22:27 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-12-25 11:11:56 +0300 |
| commit | db43394690d00508464da724e9d2f54c0ef13ea3 (patch) | |
| tree | 842f00a8aab3109b99d7985b2060cc8a63eba206 | |
| parent | a8667a3f1588bf61f73ac76f8caff3d9dfcf272e (diff) | |
| download | linux-db43394690d00508464da724e9d2f54c0ef13ea3.tar.xz | |
ALSA: ens1370: 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/20201223172229.781-16-lars@metafoo.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/ens1370.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c index d9acef0826a9..93c4fd313311 100644 --- a/sound/pci/ens1370.c +++ b/sound/pci/ens1370.c @@ -752,7 +752,7 @@ static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate) unsigned int freq, r; mutex_lock(&ensoniq->src_mutex); - freq = ((rate << 15) + 1500) / 3000; + freq = DIV_ROUND_CLOSEST(rate << 15, 3000); r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE | ES_1371_DIS_P2 | ES_1371_DIS_R1)) | ES_1371_DIS_P1; @@ -773,7 +773,7 @@ static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate) unsigned int freq, r; mutex_lock(&ensoniq->src_mutex); - freq = ((rate << 15) + 1500) / 3000; + freq = DIV_ROUND_CLOSEST(rate << 15, 3000); r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 | ES_1371_DIS_R1)) | ES_1371_DIS_P2; |