diff options
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/Kconfig | 1 | ||||
| -rw-r--r-- | sound/hda/array.c | 1 | ||||
| -rw-r--r-- | sound/hda/ext/Makefile | 1 | ||||
| -rw-r--r-- | sound/hda/hda_bus_type.c | 1 | ||||
| -rw-r--r-- | sound/hda/hdac_bus.c | 1 | ||||
| -rw-r--r-- | sound/hda/hdac_controller.c | 1 | ||||
| -rw-r--r-- | sound/hda/hdac_device.c | 8 | ||||
| -rw-r--r-- | sound/hda/hdac_i915.c | 11 | ||||
| -rw-r--r-- | sound/hda/hdac_regmap.c | 1 | ||||
| -rw-r--r-- | sound/hda/hdac_stream.c | 1 | ||||
| -rw-r--r-- | sound/hda/hdac_sysfs.c | 3 | ||||
| -rw-r--r-- | sound/hda/hdmi_chmap.c | 1 |
12 files changed, 21 insertions, 10 deletions
diff --git a/sound/hda/Kconfig b/sound/hda/Kconfig index 2d90e11b3eaa..f6feced15f17 100644 --- a/sound/hda/Kconfig +++ b/sound/hda/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only config SND_HDA_CORE tristate select REGMAP diff --git a/sound/hda/array.c b/sound/hda/array.c index 5dfa610e4471..a204dcee0034 100644 --- a/sound/hda/array.c +++ b/sound/hda/array.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * generic arrays */ diff --git a/sound/hda/ext/Makefile b/sound/hda/ext/Makefile index 9b6f641c7777..154779bdc0ba 100644 --- a/sound/hda/ext/Makefile +++ b/sound/hda/ext/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only snd-hda-ext-core-objs := hdac_ext_bus.o hdac_ext_controller.o hdac_ext_stream.o obj-$(CONFIG_SND_HDA_EXT_CORE) += snd-hda-ext-core.o diff --git a/sound/hda/hda_bus_type.c b/sound/hda/hda_bus_type.c index 3060e2aee36f..eea6b63f8305 100644 --- a/sound/hda/hda_bus_type.c +++ b/sound/hda/hda_bus_type.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HD-audio bus */ diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c index 10e5d261fde1..14e57ffd5bc1 100644 --- a/sound/hda/hdac_bus.c +++ b/sound/hda/hdac_bus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HD-audio core bus driver */ diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c index b2e9454f5816..b02f74528b66 100644 --- a/sound/hda/hdac_controller.c +++ b/sound/hda/hdac_controller.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HD-audio controller helpers */ diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c index 95b073ee4b32..6907dbefd08c 100644 --- a/sound/hda/hdac_device.c +++ b/sound/hda/hdac_device.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HD-audio codec core device */ @@ -55,6 +56,7 @@ int snd_hdac_device_init(struct hdac_device *codec, struct hdac_bus *bus, codec->bus = bus; codec->addr = addr; codec->type = HDA_DEV_CORE; + mutex_init(&codec->widget_lock); pm_runtime_set_active(&codec->dev); pm_runtime_get_noresume(&codec->dev); atomic_set(&codec->in_pm, 0); @@ -141,7 +143,9 @@ int snd_hdac_device_register(struct hdac_device *codec) err = device_add(&codec->dev); if (err < 0) return err; + mutex_lock(&codec->widget_lock); err = hda_widget_sysfs_init(codec); + mutex_unlock(&codec->widget_lock); if (err < 0) { device_del(&codec->dev); return err; @@ -158,7 +162,9 @@ EXPORT_SYMBOL_GPL(snd_hdac_device_register); void snd_hdac_device_unregister(struct hdac_device *codec) { if (device_is_registered(&codec->dev)) { + mutex_lock(&codec->widget_lock); hda_widget_sysfs_exit(codec); + mutex_unlock(&codec->widget_lock); device_del(&codec->dev); snd_hdac_bus_remove_device(codec->bus, codec); } @@ -404,7 +410,9 @@ int snd_hdac_refresh_widgets(struct hdac_device *codec, bool sysfs) } if (sysfs) { + mutex_lock(&codec->widget_lock); err = hda_widget_sysfs_reinit(codec, start_nid, nums); + mutex_unlock(&codec->widget_lock); if (err < 0) return err; } diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 575198bd3cd0..1192c7561d62 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -1,15 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * hdac_i915.c - routines for sync between HD-A core and i915 display driver - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. */ #include <linux/init.h> diff --git a/sound/hda/hdac_regmap.c b/sound/hda/hdac_regmap.c index 996dbc850224..f399a1552e73 100644 --- a/sound/hda/hdac_regmap.c +++ b/sound/hda/hdac_regmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Regmap support for HD-audio verbs * diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index 76e9b41fcea2..55d53b89ac21 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HD-audio stream operations */ diff --git a/sound/hda/hdac_sysfs.c b/sound/hda/hdac_sysfs.c index fb2aa344981e..909d5ef1179c 100644 --- a/sound/hda/hdac_sysfs.c +++ b/sound/hda/hdac_sysfs.c @@ -395,6 +395,7 @@ static int widget_tree_create(struct hdac_device *codec) return 0; } +/* call with codec->widget_lock held */ int hda_widget_sysfs_init(struct hdac_device *codec) { int err; @@ -411,11 +412,13 @@ int hda_widget_sysfs_init(struct hdac_device *codec) return 0; } +/* call with codec->widget_lock held */ void hda_widget_sysfs_exit(struct hdac_device *codec) { widget_tree_free(codec); } +/* call with codec->widget_lock held */ int hda_widget_sysfs_reinit(struct hdac_device *codec, hda_nid_t start_nid, int num_nodes) { diff --git a/sound/hda/hdmi_chmap.c b/sound/hda/hdmi_chmap.c index f21633cd9b38..886cb7811bd6 100644 --- a/sound/hda/hdmi_chmap.c +++ b/sound/hda/hdmi_chmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HDMI Channel map support helpers */ |