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Commit 2565c899 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
parent 72620d60

sound/pci/hda/hda_codec.c

+25 −11
Original line number Diff line number Diff line
@@ -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;