ulseep_range() uses hrtimers and provides no advantage over msleep() for larger delays. Fix up the 70/80ms delays here passing the "min" value to msleep(). This reduces the load on the hrtimer subsystem.

Link: http://lkml.org/lkml/2017/1/11/377 Fixes: commit 246693ba7b0b ("ASoC: rt5640: change widget sequence for depop") Signed-off-by: Nicholas Mc Guire hofrat@osadl.org ---

Problem located by coccinelle script

Patch was compile tested with: x86_64_defconfig + SND_SOC=m SND_SOC_INTEL_BYTCR_RT5640_MACH=m (implies CONFIG_SND_SOC_RT5640)

Patch is aginast 4.10-rc3 (localversion-next is next-20170112)

sound/soc/codecs/rt5640.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index 0f1b216..33e080f 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -995,7 +995,7 @@ static int rt5640_hp_event(struct snd_soc_dapm_widget *w,

case SND_SOC_DAPM_PRE_PMD: rt5640->hp_mute = 1; - usleep_range(70000, 75000); + msleep(70); break;

default: @@ -1059,7 +1059,7 @@ static int rt5640_hp_post_event(struct snd_soc_dapm_widget *w, switch (event) { case SND_SOC_DAPM_POST_PMU: if (!rt5640->hp_mute) - usleep_range(80000, 85000); + msleep(80);

break;