aboutsummaryrefslogtreecommitdiffstats
path: root/include/sound
diff options
context:
space:
mode:
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/core.h16
-rw-r--r--include/sound/hdaudio.h10
-rw-r--r--include/sound/memalloc.h4
-rw-r--r--include/sound/seq_kernel.h3
4 files changed, 21 insertions, 12 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index e923c23e05dd..c90ebbc8d9c4 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -226,7 +226,6 @@ int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size
/* init.c */
-extern struct snd_card *snd_cards[SNDRV_CARDS];
int snd_card_locked(int card);
#if IS_ENABLED(CONFIG_SND_MIXER_OSS)
#define SND_MIXER_OSS_NOTIFY_REGISTER 0
@@ -251,7 +250,20 @@ int snd_card_add_dev_attr(struct snd_card *card,
int snd_component_add(struct snd_card *card, const char *component);
int snd_card_file_add(struct snd_card *card, struct file *file);
int snd_card_file_remove(struct snd_card *card, struct file *file);
-#define snd_card_unref(card) put_device(&(card)->card_dev)
+
+struct snd_card *snd_card_ref(int card);
+
+/**
+ * snd_card_unref - Unreference the card object
+ * @card: the card object to unreference
+ *
+ * Call this function for the card object that was obtained via snd_card_ref()
+ * or snd_lookup_minor_data().
+ */
+static inline void snd_card_unref(struct snd_card *card)
+{
+ put_device(&card->card_dev);
+}
#define snd_card_set_dev(card, devptr) ((card)->dev = (devptr))
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 45f944d57982..e8346784cf3f 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -81,6 +81,7 @@ struct hdac_device {
atomic_t in_pm; /* suspend/resume being performed */
/* sysfs */
+ struct mutex widget_lock;
struct hdac_widget_tree *widgets;
/* regmap */
@@ -297,7 +298,7 @@ struct hdac_rb {
* @num_streams: streams supported
* @idx: HDA link index
* @hlink_list: link list of HDA links
- * @lock: lock for link mgmt
+ * @lock: lock for link and display power mgmt
* @cmd_dma_state: state of cmd DMAs: CORB and RIRB
*/
struct hdac_bus {
@@ -363,21 +364,20 @@ struct hdac_bus {
/* locks */
spinlock_t reg_lock;
struct mutex cmd_mutex;
+ struct mutex lock;
/* DRM component interface */
struct drm_audio_component *audio_component;
long display_power_status;
- bool display_power_active;
+ unsigned long display_power_active;
/* parameters required for enhanced capabilities */
int num_streams;
int idx;
+ /* link management */
struct list_head hlink_list;
-
- struct mutex lock;
bool cmd_dma_state;
-
};
int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev,
diff --git a/include/sound/memalloc.h b/include/sound/memalloc.h
index 1ac0dd82a916..4c6f3b5a7cff 100644
--- a/include/sound/memalloc.h
+++ b/include/sound/memalloc.h
@@ -151,9 +151,5 @@ int snd_dma_alloc_pages_fallback(int type, struct device *dev, size_t size,
struct snd_dma_buffer *dmab);
void snd_dma_free_pages(struct snd_dma_buffer *dmab);
-/* basic memory allocation functions */
-void *snd_malloc_pages(size_t size, gfp_t gfp_flags);
-void snd_free_pages(void *ptr, size_t size);
-
#endif /* __SOUND_MEMALLOC_H */
diff --git a/include/sound/seq_kernel.h b/include/sound/seq_kernel.h
index 4b9ee3009aa0..c7a5433e109a 100644
--- a/include/sound/seq_kernel.h
+++ b/include/sound/seq_kernel.h
@@ -73,7 +73,8 @@ __printf(3, 4)
int snd_seq_create_kernel_client(struct snd_card *card, int client_index,
const char *name_fmt, ...);
int snd_seq_delete_kernel_client(int client);
-int snd_seq_kernel_client_enqueue(int client, struct snd_seq_event *ev, int atomic, int hop);
+int snd_seq_kernel_client_enqueue(int client, struct snd_seq_event *ev,
+ struct file *file, bool blocking);
int snd_seq_kernel_client_dispatch(int client, struct snd_seq_event *ev, int atomic, int hop);
int snd_seq_kernel_client_ctl(int client, unsigned int cmd, void *arg);