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| author | Olof Johansson <olof@lixom.net> | 2019-05-16 07:51:48 +0200 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2019-05-16 07:51:48 +0200 |
| commit | 7a0c4c17089a8aff52f516f0f52002be52950aae (patch) | |
| tree | 474dc451d62a1ba788ed52c4cecf93f9e50cc39a /sound/hda/hdac_component.c | |
| parent | Merge tag 'v5.2-rockchip-soc32-1' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
| parent | Merge tag 'davinci-fixes-for-v5.1' of git://git.kernel.org/pub/scm/linux/kern... (diff) | |
| download | linux-7a0c4c17089a8aff52f516f0f52002be52950aae.tar.xz linux-7a0c4c17089a8aff52f516f0f52002be52950aae.zip | |
Merge branch 'fixes' into arm/soc
Merge in a few pending fixes from pre-5.1 that didn't get sent in:
MAINTAINERS: update arch/arm/mach-davinci
ARM: dts: ls1021: Fix SGMII PCS link remaining down after PHY disconnect
ARM: dts: imx6q-logicpd: Reduce inrush current on USBH1
ARM: dts: imx6q-logicpd: Reduce inrush current on start
ARM: dts: imx: Fix the AR803X phy-mode
ARM: dts: sun8i: a33: Reintroduce default pinctrl muxing
arm64: dts: allwinner: a64: Rename hpvcc-supply to cpvdd-supply
ARM: sunxi: fix a leaked reference by adding missing of_node_put
ARM: sunxi: fix a leaked reference by adding missing of_node_put
Signed-off-by: Olof Johansson <olof@lixom.net>
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); |