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ASoC: Add compress_type as a member to snd_soc_codec 

We need to keep a copy of the compress_type supplied by the codec driver
so that we can override it if necessary with whatever the machine driver
has provided us with.  The reason for not modifying the codec->driver
struct directly is that ideally we'd like to keep it const.

Adjust the code in soc-cache and soc-core to make use of the compress_type
member in the snd_soc_codec struct.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Dimitris Papastamos 2010-12-02 14:53:01 +00:00 committed by Mark Brown
parent 676ad98a06
commit 23bbce34f4
3 changed files with 8 additions and 2 deletions
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1
include/sound/soc.h
View File

@ -460,6 +460,7 @@ struct snd_soc_codec {
struct list_head list;
struct list_head card_list;
int num_dai;
enum snd_soc_compress_type compress_type;
/* runtime */
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */

4
sound/soc/soc-cache.c
View File

@ -1550,11 +1550,11 @@ int snd_soc_cache_init(struct snd_soc_codec *codec)
int i;
for (i = 0; i < ARRAY_SIZE(cache_types); ++i)
if (cache_types[i].id == codec->driver->compress_type)
if (cache_types[i].id == codec->compress_type)
break;
if (i == ARRAY_SIZE(cache_types)) {
dev_err(codec->dev, "Could not match compress type: %d\n",
codec->driver->compress_type);
codec->compress_type);
return -EINVAL;
}

5
sound/soc/soc-core.c
View File

@ -3450,6 +3450,11 @@ int snd_soc_register_codec(struct device *dev,
return -ENOMEM;
}
if (codec_drv->compress_type)
codec->compress_type = codec_drv->compress_type;
else
codec->compress_type = SND_SOC_FLAT_COMPRESSION;
INIT_LIST_HEAD(&codec->dapm.widgets);
INIT_LIST_HEAD(&codec->dapm.paths);
codec->write = codec_drv->write;