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ALSA: hda - Embed struct hda_bus_unsolicited into struct hda_bus 

There is no big merit to handle hda_bus_unsolicited object
individually, as it's tightly coupled with the hda_bus object itself.
Embedding it makes the code simpler in the end.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2015-02-17 14:46:40 +01:00
parent ef7449780e
commit 922c88a836
3 changed files with 15 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
sound/pci/hda/hda_codec.c
View File

@ -762,10 +762,7 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
return 0;
trace_hda_unsol_event(bus, res, res_ex);
unsol = bus->unsol;
if (!unsol)
return 0;
unsol = &bus->unsol;
wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
unsol->wp = wp;
@ -784,9 +781,8 @@ EXPORT_SYMBOL_GPL(snd_hda_queue_unsol_event);
*/
static void process_unsol_events(struct work_struct *work)
{
struct hda_bus_unsolicited *unsol =
container_of(work, struct hda_bus_unsolicited, work);
struct hda_bus *bus = unsol->bus;
struct hda_bus *bus = container_of(work, struct hda_bus, unsol.work);
struct hda_bus_unsolicited *unsol = &bus->unsol;
struct hda_codec *codec;
unsigned int rp, caddr, res;
@ -804,27 +800,6 @@ static void process_unsol_events(struct work_struct *work)
}
}
/*
* initialize unsolicited queue
*/
static int init_unsol_queue(struct hda_bus *bus)
{
struct hda_bus_unsolicited *unsol;
if (bus->unsol) /* already initialized */
return 0;
unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
if (!unsol) {
dev_err(bus->card->dev, "can't allocate unsolicited queue\n");
return -ENOMEM;
}
INIT_WORK(&unsol->work, process_unsol_events);
unsol->bus = bus;
bus->unsol = unsol;
return 0;
}
/*
* destructor
*/
@ -836,7 +811,6 @@ static void snd_hda_bus_free(struct hda_bus *bus)
WARN_ON(!list_empty(&bus->codec_list));
if (bus->workq)
flush_workqueue(bus->workq);
kfree(bus->unsol);
if (bus->ops.private_free)
bus->ops.private_free(bus);
if (bus->workq)
@ -888,6 +862,7 @@ int snd_hda_bus_new(struct snd_card *card,
mutex_init(&bus->cmd_mutex);
mutex_init(&bus->prepare_mutex);
INIT_LIST_HEAD(&bus->codec_list);
INIT_WORK(&bus->unsol.work, process_unsol_events);
snprintf(bus->workq_name, sizeof(bus->workq_name),
"hd-audio%d", card->number);
@ -1689,12 +1664,6 @@ int snd_hda_codec_configure(struct hda_codec *codec)
return err;
}
if (codec->patch_ops.unsol_event) {
err = init_unsol_queue(codec->bus);
if (err < 0)
return err;
}
/* audio codec should override the mixer name */
if (codec->afg || !*codec->bus->card->mixername)
snprintf(codec->bus->card->mixername,

13
sound/pci/hda/hda_codec.h
View File

@ -66,7 +66,6 @@ struct hda_beep;
struct hda_codec;
struct hda_pcm;
struct hda_pcm_stream;
struct hda_bus_unsolicited;
/* NID type */
typedef u16 hda_nid_t;
@ -101,6 +100,16 @@ struct hda_bus_ops {
#endif
};
/* unsolicited event handler */
#define HDA_UNSOL_QUEUE_SIZE 64
struct hda_bus_unsolicited {
/* ring buffer */
u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
unsigned int rp, wp;
/* workqueue */
struct work_struct work;
};
/*
* codec bus
*
@ -126,7 +135,7 @@ struct hda_bus {
struct mutex prepare_mutex;
/* unsolicited event queue */
struct hda_bus_unsolicited *unsol;
struct hda_bus_unsolicited unsol;
char workq_name[16];
struct workqueue_struct *workq; /* common workqueue for codecs */

17
sound/pci/hda/hda_local.h
View File

@ -466,23 +466,6 @@ void snd_hda_pick_pin_fixup(struct hda_codec *codec,
const struct snd_hda_pin_quirk *pin_quirk,
const struct hda_fixup *fixlist);
/*
* unsolicited event handler
*/
#define HDA_UNSOL_QUEUE_SIZE 64
struct hda_bus_unsolicited {
/* ring buffer */
u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
unsigned int rp, wp;
/* workqueue */
struct work_struct work;
struct hda_bus *bus;
};
/* helper macros to retrieve pin default-config values */
#define get_defcfg_connect(cfg) \
((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT)