diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.h')
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 8908a0768736..2ccd6f9a91fe 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -21,6 +21,7 @@ #ifndef __SOUND_HDA_CODEC_H #define __SOUND_HDA_CODEC_H +#include <linux/kref.h> #include <sound/info.h> #include <sound/control.h> #include <sound/pcm.h> @@ -268,6 +269,10 @@ struct hda_pcm { int device; /* device number to assign */ struct snd_pcm *pcm; /* assigned PCM instance */ bool own_chmap; /* codec driver provides own channel maps */ + /* private: */ + struct hda_codec *codec; + struct kref kref; + struct list_head list; }; /* codec information */ @@ -301,8 +306,7 @@ struct hda_codec { struct hda_codec_ops patch_ops; /* PCM to create, set by patch_ops.build_pcms callback */ - unsigned int num_pcms; - struct hda_pcm *pcm_info; + struct list_head pcm_list_head; /* codec specific info */ void *spec; @@ -521,6 +525,16 @@ int snd_hda_build_pcms(struct hda_bus *bus); int snd_hda_codec_parse_pcms(struct hda_codec *codec); int snd_hda_codec_build_pcms(struct hda_codec *codec); +__printf(2, 3) +struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec, + const char *fmt, ...); + +static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm) +{ + kref_get(&pcm->kref); +} +void snd_hda_codec_pcm_put(struct hda_pcm *pcm); + int snd_hda_codec_prepare(struct hda_codec *codec, struct hda_pcm_stream *hinfo, unsigned int stream, |