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ASoC: simple-card: Use snd_soc_of_parse_aux_devs()

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Use the new common snd_soc_of_parse_aux_devs() helper function
to parse auxiliary devices from the device tree. The code is slightly
different but the binding that is parsed is exactly the same.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20200801100257.22658-2-stephan@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Stephan Gerhold 2020-08-01 12:02:56 +02:00 committed by Mark Brown
parent 1ae0965dc2
commit d9ffff696c
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 32 deletions
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33
sound/soc/generic/simple-card.c
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@ -424,37 +424,6 @@ static int simple_for_each_link(struct asoc_simple_priv *priv,
return ret; return ret;
} }
static int simple_parse_aux_devs(struct device_node *node,
struct asoc_simple_priv *priv)
{
struct device *dev = simple_priv_to_dev(priv);
struct device_node *aux_node;
struct snd_soc_card *card = simple_priv_to_card(priv);
int i, n, len;
if (!of_find_property(node, PREFIX "aux-devs", &len))
return 0; /* Ok to have no aux-devs */
n = len / sizeof(__be32);
if (n <= 0)
return -EINVAL;
card->aux_dev = devm_kcalloc(dev,
n, sizeof(*card->aux_dev), GFP_KERNEL);
if (!card->aux_dev)
return -ENOMEM;
for (i = 0; i < n; i++) {
aux_node = of_parse_phandle(node, PREFIX "aux-devs", i);
if (!aux_node)
return -EINVAL;
card->aux_dev[i].dlc.of_node = aux_node;
}
card->num_aux_devs = n;
return 0;
}
static int simple_parse_of(struct asoc_simple_priv *priv) static int simple_parse_of(struct asoc_simple_priv *priv)
{ {
struct device *dev = simple_priv_to_dev(priv); struct device *dev = simple_priv_to_dev(priv);
@ -504,7 +473,7 @@ static int simple_parse_of(struct asoc_simple_priv *priv)
if (ret < 0) if (ret < 0)
return ret; return ret;
ret = simple_parse_aux_devs(top, priv); ret = snd_soc_of_parse_aux_devs(card, PREFIX "aux-devs");
return ret; return ret;
} }