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ALSA: compress: Embed struct device 

Like previous patches, this one embeds the struct device into struct
snd_compr.  As the dev field wasn't used beforehand, it's reused as
the new device struct.

Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2015-01-30 08:16:35 +01:00
parent 5205388d2d
commit 04c5d5a430
2 changed files with 21 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/sound/compress_driver.h
View File

@ -134,7 +134,7 @@ struct snd_compr_ops {
/**
* struct snd_compr: Compressed device
* @name: DSP device name
* @dev: Device pointer
* @dev: associated device instance
* @ops: pointer to DSP callbacks
* @private_data: pointer to DSP pvt data
* @card: sound card pointer
@ -144,7 +144,7 @@ struct snd_compr_ops {
*/
struct snd_compr {
const char *name;
struct device *dev;
struct device dev;
struct snd_compr_ops *ops;
void *private_data;
struct snd_card *card;

24
sound/core/compress_offload.c
View File

@ -868,12 +868,13 @@ static int snd_compress_dev_register(struct snd_device *device)
return -EBADFD;
compr = device->device_data;
sprintf(str, "comprC%iD%i", compr->card->number, compr->device);
pr_debug("reg %s for device %s, direction %d\n", str, compr->name,
compr->direction);
/* register compressed device */
ret = snd_register_device(SNDRV_DEVICE_TYPE_COMPRESS, compr->card,
compr->device, &snd_compr_file_ops, compr, str);
ret = snd_register_device_for_dev(SNDRV_DEVICE_TYPE_COMPRESS,
compr->card, compr->device,
&snd_compr_file_ops, compr,
&compr->dev, NULL, NULL);
if (ret < 0) {
pr_err("snd_register_device failed\n %d", ret);
return ret;
@ -892,6 +893,15 @@ static int snd_compress_dev_disconnect(struct snd_device *device)
return 0;
}
static int snd_compress_dev_free(struct snd_device *device)
{
struct snd_compr *compr;
compr = device->device_data;
put_device(&compr->dev);
return 0;
}
/*
* snd_compress_new: create new compress device
* @card: sound card pointer
@ -903,7 +913,7 @@ int snd_compress_new(struct snd_card *card, int device,
int dirn, struct snd_compr *compr)
{
static struct snd_device_ops ops = {
.dev_free = NULL,
.dev_free = snd_compress_dev_free,
.dev_register = snd_compress_dev_register,
.dev_disconnect = snd_compress_dev_disconnect,
};
@ -911,6 +921,10 @@ int snd_compress_new(struct snd_card *card, int device,
compr->card = card;
compr->device = device;
compr->direction = dirn;
snd_device_initialize(&compr->dev, card);
dev_set_name(&compr->dev, "comprC%iD%i", card->number, device);
return snd_device_new(card, SNDRV_DEV_COMPRESS, compr, &ops);
}
EXPORT_SYMBOL_GPL(snd_compress_new);
@ -948,7 +962,7 @@ int snd_compress_register(struct snd_compr *device)
{
int retval;
if (device->name == NULL || device->dev == NULL || device->ops == NULL)
if (device->name == NULL || device->ops == NULL)
return -EINVAL;
pr_debug("Registering compressed device %s\n", device->name);