mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

ALSA: hda - Manage each codec instance individually 

Now each snd_hda_codec instance is managed via the device chain, the
registration and release are done by its callback instead of calling
from bus.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2014-02-19 11:41:09 +01:00
parent 72620d6048
commit 2565c89908
1 changed files with 25 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
sound/pci/hda/hda_codec.c
View File

@ -821,35 +821,35 @@ static int init_unsol_queue(struct hda_bus *bus)
/*
* destructor
*/
static void snd_hda_codec_free(struct hda_codec *codec);
static int snd_hda_bus_free(struct hda_bus *bus)
static void snd_hda_bus_free(struct hda_bus *bus)
{
struct hda_codec *codec, *n;
if (!bus)
return 0;
return;
WARN_ON(!list_empty(&bus->codec_list));
if (bus->workq)
flush_workqueue(bus->workq);
if (bus->unsol)
kfree(bus->unsol);
list_for_each_entry_safe(codec, n, &bus->codec_list, list) {
snd_hda_codec_free(codec);
}
if (bus->ops.private_free)
bus->ops.private_free(bus);
if (bus->workq)
destroy_workqueue(bus->workq);
kfree(bus);
return 0;
}
static int snd_hda_bus_dev_free(struct snd_device *device)
{
snd_hda_bus_free(device->device_data);
return 0;
}
static int snd_hda_bus_dev_disconnect(struct snd_device *device)
{
struct hda_bus *bus = device->device_data;
bus->shutdown = 1;
return snd_hda_bus_free(bus);
return 0;
}
/**
@ -867,6 +867,7 @@ int snd_hda_bus_new(struct snd_card *card,
struct hda_bus *bus;
int err;
static struct snd_device_ops dev_ops = {
.dev_disconnect = snd_hda_bus_dev_disconnect,
.dev_free = snd_hda_bus_dev_free,
};
@ -1376,6 +1377,12 @@ static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec,
static unsigned int hda_set_power_state(struct hda_codec *codec,
unsigned int power_state);
static int snd_hda_codec_dev_free(struct snd_device *device)
{
snd_hda_codec_free(device->device_data);
return 0;
}
/**
* snd_hda_codec_new - create a HDA codec
* @bus: the bus to assign
@ -1392,6 +1399,9 @@ int snd_hda_codec_new(struct hda_bus *bus,
char component[31];
hda_nid_t fg;
int err;
static struct snd_device_ops dev_ops = {
.dev_free = snd_hda_codec_dev_free,
};
if (snd_BUG_ON(!bus))
return -EINVAL;
@ -1512,6 +1522,10 @@ int snd_hda_codec_new(struct hda_bus *bus,
codec->subsystem_id, codec->revision_id);
snd_component_add(codec->bus->card, component);
err = snd_device_new(bus->card, SNDRV_DEV_CODEC, codec, &dev_ops);
if (err < 0)
goto error;
if (codecp)
*codecp = codec;
return 0;