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path: root/sound/pci/hda/hda_codec.h
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Diffstat (limited to 'sound/pci/hda/hda_codec.h')
-rw-r--r--sound/pci/hda/hda_codec.h24
1 files changed, 16 insertions, 8 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 1370e346bf3..1a69743160c 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -480,12 +480,24 @@ struct hda_codec_ops {
};
/* record for amp information cache */
-struct hda_amp_info {
+struct hda_cache_head {
u32 key; /* hash key */
+ u16 val; /* assigned value */
+ u16 next; /* next link; -1 = terminal */
+};
+
+struct hda_amp_info {
+ struct hda_cache_head head;
u32 amp_caps; /* amp capabilities */
u16 vol[2]; /* current volume & mute */
- u16 status; /* update flag */
- u16 next; /* next link */
+};
+
+struct hda_cache_rec {
+ u16 hash[64]; /* hash table for index */
+ unsigned int num_entries; /* number of assigned entries */
+ unsigned int size; /* allocated size */
+ unsigned int record_size; /* record size (including header) */
+ void *buffer; /* hash table entries */
};
/* PCM callbacks */
@@ -557,11 +569,7 @@ struct hda_codec {
hda_nid_t start_nid;
u32 *wcaps;
- /* hash for amp access */
- u16 amp_hash[32];
- int num_amp_entries;
- int amp_info_size;
- struct hda_amp_info *amp_info;
+ struct hda_cache_rec amp_cache; /* cache for amp access */
struct mutex spdif_mutex;
unsigned int spdif_status; /* IEC958 status bits */