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| author | Greg Kroah-Hartman | 2019-04-21 23:18:44 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-04-21 23:18:44 +0200 |
| commit | 817de6b85914a3dda72b971c074d4d342965fba0 (patch) | |
| tree | df0a4563a04aadb8f8595f72392d66d65797c455 /sound/hda/hdac_component.c | |
| parent | staging: kpc2000: add initial set of Daktronics drivers (diff) | |
| parent | Linux 5.1-rc6 (diff) | |
| download | kernel-qcow2-linux-817de6b85914a3dda72b971c074d4d342965fba0.tar.gz kernel-qcow2-linux-817de6b85914a3dda72b971c074d4d342965fba0.tar.xz kernel-qcow2-linux-817de6b85914a3dda72b971c074d4d342965fba0.zip | |
Merge 5.1-rc6 into staging-next
We want the fixes in here as well as this resolves an iio driver merge
issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/hda/hdac_component.c')
| -rw-r--r-- | sound/hda/hdac_component.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/hda/hdac_component.c b/sound/hda/hdac_component.c index 5c95933e739a..1ea51e3b942a 100644 --- a/sound/hda/hdac_component.c +++ b/sound/hda/hdac_component.c @@ -69,13 +69,15 @@ void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx, bool enable) dev_dbg(bus->dev, "display power %s\n", enable ? "enable" : "disable"); + + mutex_lock(&bus->lock); if (enable) set_bit(idx, &bus->display_power_status); else clear_bit(idx, &bus->display_power_status); if (!acomp || !acomp->ops) - return; + goto unlock; if (bus->display_power_status) { if (!bus->display_power_active) { @@ -92,6 +94,8 @@ void snd_hdac_display_power(struct hdac_bus *bus, unsigned int idx, bool enable) bus->display_power_active = false; } } + unlock: + mutex_unlock(&bus->lock); } EXPORT_SYMBOL_GPL(snd_hdac_display_power); |