Hi!
> So in (error) case of ! aux_dev->codec_of_node && ! aux_dev->codec_name
> we match first possible codec?
>
> Given code similarity between this and the one above, should there be
> helper function that does the comparison (or even walks the list)?
Something like this? soc_probe_aux_dev now looks better... (Only
compile tested).
Signed-off-by: Pavel Machek <pavel@xxxxxx>
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 392f479..3097e17 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1526,69 +1526,65 @@ static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec)
}
#endif
-static int soc_check_aux_dev(struct snd_soc_card *card, int num)
+struct snd_soc_codec *soc_find_matching_codec(struct snd_soc_card *card, int num)
{
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
- const char *codecname = aux_dev->codec_name;
struct snd_soc_codec *codec;
- /* find CODEC from registered CODECs*/
+ /* find CODEC from registered CODECs */
list_for_each_entry(codec, &codec_list, list) {
- if (aux_dev->codec_of_node &&
- codec->dev->of_node == aux_dev->codec_of_node)
- return 0;
- if (aux_dev->codec_name &&
- !strcmp(codec->name, aux_dev->codec_name))
- return 0;
+ if (aux_dev->codec_of_node &&
+ (codec->dev->of_node != aux_dev->codec_of_node))
+ continue;
+ if (aux_dev->codec_name && strcmp(codec->name, aux_dev->codec_name))
+ continue;
+ return codec;
}
+ return NULL;
+}
+static int soc_check_aux_dev(struct snd_soc_card *card, int num)
+{
+ struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
+ const char *codecname = aux_dev->codec_name;
+ struct snd_soc_codec *codec = soc_find_matching_codec(card, num);
+
+ if (codec)
+ return 0;
if (aux_dev->codec_of_node)
codecname = of_node_full_name(aux_dev->codec_of_node);
dev_err(card->dev, "ASoC: %s not registered\n", codecname);
-
return -EPROBE_DEFER;
}
+
static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
- struct snd_soc_codec *codec;
const char *codecname = aux_dev->codec_name;
int ret = -ENODEV;
+ struct snd_soc_codec *codec = soc_find_matching_codec(card, num);
- /* find CODEC from registered CODECs*/
- list_for_each_entry(codec, &codec_list, list) {
- if (aux_dev->codec_of_node &&
- codec->dev->of_node != aux_dev->codec_of_node)
- continue;
- if (aux_dev->codec_name &&
- strcmp(codec->name, aux_dev->codec_name))
- continue;
+ if (!codec) {
+ if (aux_dev->codec_of_node)
+ codecname = of_node_full_name(aux_dev->codec_of_node);
- if (codec->probed) {
- dev_err(codec->dev, "ASoC: codec already probed");
- ret = -EBUSY;
- goto out;
- }
- goto found;
+ /* codec not found */
+ dev_err(card->dev, "ASoC: codec %s not found", codecname);
+ return -EPROBE_DEFER;
}
- if (aux_dev->codec_of_node)
- codecname = of_node_full_name(aux_dev->codec_of_node);
-
- /* codec not found */
- dev_err(card->dev, "ASoC: codec %s not found", codecname);
- return -EPROBE_DEFER;
+ if (codec->probed) {
+ dev_err(codec->dev, "ASoC: codec already probed");
+ return -EBUSY;
+ }
-found:
ret = soc_probe_codec(card, codec);
if (ret < 0)
return ret;
ret = soc_post_component_init(card, codec, num, 1);
-
-out:
return ret;
}
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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