diff options
Diffstat (limited to 'sound/hda/core/ext')
| -rw-r--r-- | sound/hda/core/ext/controller.c | 6 | ||||
| -rw-r--r-- | sound/hda/core/ext/stream.c | 38 |
2 files changed, 19 insertions, 25 deletions
diff --git a/sound/hda/core/ext/controller.c b/sound/hda/core/ext/controller.c index c84754434d16..9eea3ea2dae0 100644 --- a/sound/hda/core/ext/controller.c +++ b/sound/hda/core/ext/controller.c @@ -300,7 +300,7 @@ int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, unsigned long codec_mask; int ret = 0; - mutex_lock(&bus->lock); + guard(mutex)(&bus->lock); /* * if we move from 0 to 1, count will be 1 so power up this link @@ -331,7 +331,6 @@ int snd_hdac_ext_bus_link_get(struct hdac_bus *bus, bus->codec_mask = codec_mask; } - mutex_unlock(&bus->lock); return ret; } EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_get); @@ -343,7 +342,7 @@ int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, struct hdac_ext_link *hlink_tmp; bool link_up = false; - mutex_lock(&bus->lock); + guard(mutex)(&bus->lock); /* * if we move from 1 to 0, count will be 0 @@ -369,7 +368,6 @@ int snd_hdac_ext_bus_link_put(struct hdac_bus *bus, } } - mutex_unlock(&bus->lock); return ret; } EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_put); diff --git a/sound/hda/core/ext/stream.c b/sound/hda/core/ext/stream.c index a3ac738f1130..b4759198e51d 100644 --- a/sound/hda/core/ext/stream.c +++ b/sound/hda/core/ext/stream.c @@ -163,9 +163,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple_locked); void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, struct hdac_ext_stream *hext_stream, bool decouple) { - spin_lock_irq(&bus->reg_lock); + guard(spinlock_irq)(&bus->reg_lock); snd_hdac_ext_stream_decouple_locked(bus, hext_stream, decouple); - spin_unlock_irq(&bus->reg_lock); } EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple); @@ -265,7 +264,7 @@ hdac_ext_link_dma_stream_assign(struct hdac_bus *bus, return NULL; } - spin_lock_irq(&bus->reg_lock); + guard(spinlock_irq)(&bus->reg_lock); list_for_each_entry(hstream, &bus->stream_list, list) { struct hdac_ext_stream *hext_stream = container_of(hstream, struct hdac_ext_stream, @@ -285,7 +284,6 @@ hdac_ext_link_dma_stream_assign(struct hdac_bus *bus, res->link_locked = 1; res->link_substream = substream; } - spin_unlock_irq(&bus->reg_lock); return res; } @@ -301,7 +299,7 @@ hdac_ext_host_dma_stream_assign(struct hdac_bus *bus, return NULL; } - spin_lock_irq(&bus->reg_lock); + guard(spinlock_irq)(&bus->reg_lock); list_for_each_entry(hstream, &bus->stream_list, list) { struct hdac_ext_stream *hext_stream = container_of(hstream, struct hdac_ext_stream, @@ -320,7 +318,6 @@ hdac_ext_host_dma_stream_assign(struct hdac_bus *bus, res->hstream.running = 0; res->hstream.substream = substream; } - spin_unlock_irq(&bus->reg_lock); return res; } @@ -387,22 +384,22 @@ void snd_hdac_ext_stream_release(struct hdac_ext_stream *hext_stream, int type) break; case HDAC_EXT_STREAM_TYPE_HOST: - spin_lock_irq(&bus->reg_lock); - /* couple link only if not in use */ - if (!hext_stream->link_locked) - snd_hdac_ext_stream_decouple_locked(bus, hext_stream, false); - snd_hdac_stream_release_locked(&hext_stream->hstream); - spin_unlock_irq(&bus->reg_lock); + scoped_guard(spinlock_irq, &bus->reg_lock) { + /* couple link only if not in use */ + if (!hext_stream->link_locked) + snd_hdac_ext_stream_decouple_locked(bus, hext_stream, false); + snd_hdac_stream_release_locked(&hext_stream->hstream); + } break; case HDAC_EXT_STREAM_TYPE_LINK: - spin_lock_irq(&bus->reg_lock); - /* couple host only if not in use */ - if (!hext_stream->hstream.opened) - snd_hdac_ext_stream_decouple_locked(bus, hext_stream, false); - hext_stream->link_locked = 0; - hext_stream->link_substream = NULL; - spin_unlock_irq(&bus->reg_lock); + scoped_guard(spinlock_irq, &bus->reg_lock) { + /* couple host only if not in use */ + if (!hext_stream->hstream.opened) + snd_hdac_ext_stream_decouple_locked(bus, hext_stream, false); + hext_stream->link_locked = 0; + hext_stream->link_substream = NULL; + } break; default: @@ -427,7 +424,7 @@ struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus, struct hdac_ext_stream *res = NULL; struct hdac_stream *hstream; - spin_lock_irq(&bus->reg_lock); + guard(spinlock_irq)(&bus->reg_lock); list_for_each_entry(hstream, &bus->stream_list, list) { struct hdac_ext_stream *hext_stream = stream_to_hdac_ext_stream(hstream); @@ -446,7 +443,6 @@ struct hdac_ext_stream *snd_hdac_ext_cstream_assign(struct hdac_bus *bus, res->hstream.running = 0; res->hstream.cstream = cstream; } - spin_unlock_irq(&bus->reg_lock); return res; } |