[alsa-devel] [PATCH v2 1/4] ASoC: wm_adsp: Use usleep_range for short delay
Charles Keepax
ckeepax at opensource.wolfsonmicro.com
Mon Sep 26 11:15:22 CEST 2016
Replace the 1ms msleep in wm_adsp2_ena with a usleep_range, as per
normal guidance on delay functions. Also tighten up the delay a little
as 1ms was quite generous.
Signed-off-by: Charles Keepax <ckeepax at opensource.wolfsonmicro.com>
---
New since the first series of this patch chain.
sound/soc/codecs/wm_adsp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 24485ec..4188c37 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -2237,7 +2237,7 @@ static int wm_adsp2_ena(struct wm_adsp *dsp)
if (val & ADSP2_RAM_RDY)
break;
- msleep(1);
+ usleep_range(250, 500);
}
if (!(val & ADSP2_RAM_RDY)) {
--
2.1.4
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