On 2019-07-05 06:26, Cheng-Yi Chiang wrote:
+static void hdmi_codec_jack_report(struct hdmi_codec_priv *hcp,
+ unsigned int jack_status)
+{
+ if (!hcp->jack)
+ return;
+
+ if (jack_status != hcp->jack_status) {
+ snd_soc_jack_report(hcp->jack, jack_status, SND_JACK_LINEOUT);
+ hcp->jack_status = jack_status;
+ }
+}
Single "if" statement instead? The first "if" does not even cover all
cases - if the secondary check fails, you'll "return;" too.
+/**
+ * hdmi_codec_set_jack_detect - register HDMI plugged callback
+ * @component: the hdmi-codec instance
+ * @jack: ASoC jack to report (dis)connection events on
+ */
+int hdmi_codec_set_jack_detect(struct snd_soc_component *component,
+ struct snd_soc_jack *jack)
+{
+ struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ if (hcp->hcd.ops->hook_plugged_cb) {
+ hcp->jack = jack;
+ ret = hcp->hcd.ops->hook_plugged_cb(component->dev->parent,
+ hcp->hcd.data,
+ plugged_cb);
+ if (ret) {
+ hcp->jack = NULL;
+ return ret;
+ }
+ return 0;
+ }
+ return -EOPNOTSUPP;
+}
+EXPORT_SYMBOL_GPL(hdmi_codec_set_jack_detect);
int ret = -EOPNOTSUPP;
(...)
return ret;
In consequence, you can reduce the number of "return(s)" and also remove
the redundant parenthesis for the if-statement used to set jack to NULL.
Czarek
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