ASoC: soc-core: tidyup for snd_soc_dapm_new_controls()

snd_soc_dapm_new_controls() registers controls by using
for(... i < num; ...). It means if widget was NULL, num should be zero.
Thus, we don't need to check about widget pointer.
This patch also cares missing return value.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87ftmdahow.wl-kuninori.morimoto.gx@renesas.com
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2019-08-07 10:30:53 +09:00 committed by Mark Brown
parent 32d2c172fe
commit b8ba3b572c
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@ -1264,16 +1264,14 @@ static int soc_probe_component(struct snd_soc_card *card,
soc_init_component_debugfs(component);
if (component->driver->dapm_widgets) {
ret = snd_soc_dapm_new_controls(dapm,
ret = snd_soc_dapm_new_controls(dapm,
component->driver->dapm_widgets,
component->driver->num_dapm_widgets);
if (ret != 0) {
dev_err(component->dev,
"Failed to create new controls %d\n", ret);
goto err_probe;
}
if (ret != 0) {
dev_err(component->dev,
"Failed to create new controls %d\n", ret);
goto err_probe;
}
for_each_component_dais(component, dai) {
@ -1990,13 +1988,15 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
#endif
if (card->dapm_widgets)
snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets,
card->num_dapm_widgets);
ret = snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets,
card->num_dapm_widgets);
if (ret < 0)
goto probe_end;
if (card->of_dapm_widgets)
snd_soc_dapm_new_controls(&card->dapm, card->of_dapm_widgets,
card->num_of_dapm_widgets);
ret = snd_soc_dapm_new_controls(&card->dapm, card->of_dapm_widgets,
card->num_of_dapm_widgets);
if (ret < 0)
goto probe_end;
/* initialise the sound card only once */
if (card->probe) {