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Commit 922c88a8 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
parent ef744978

sound/pci/hda/hda_codec.c

+4 −35
Original line number Diff line number Diff line
@@ -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,

sound/pci/hda/hda_codec.h

+11 −2
Original line number Diff line number Diff line
@@ -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 */

sound/pci/hda/hda_local.h

+0 −17
Original line number Diff line number Diff line
@@ -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)