staging/greybus/audio_module.c

8 #include <linux/module.h>
20 static int gbaudio_request_jack(struct gbaudio_module_info *module,
24 	struct snd_jack *jack = module->headset.jack.jack;
25 	struct snd_jack *btn_jack = module->button.jack.jack;
28 		dev_err_ratelimited(module->dev,
34 	dev_warn_ratelimited(module->dev,
39 		module->jack_type = 0;
40 		if (btn_jack && module->button_status) {
41 			snd_soc_jack_report(&module->button.jack, 0,
42 					    module->button_mask);
43 			module->button_status = 0;
45 		snd_soc_jack_report(&module->headset.jack, 0,
46 				    module->jack_mask);
50 	report = req->jack_attribute & module->jack_mask;
52 		dev_err_ratelimited(module->dev,
58 	if (module->jack_type)
59 		dev_warn_ratelimited(module->dev,
61 				     module->jack_type, report);
63 	module->jack_type = report;
64 	snd_soc_jack_report(&module->headset.jack, report, module->jack_mask);
69 static int gbaudio_request_button(struct gbaudio_module_info *module,
73 	struct snd_jack *btn_jack = module->button.jack.jack;
76 		dev_err_ratelimited(module->dev,
82 	dev_warn_ratelimited(module->dev,
87 	if (!module->jack_type) {
88 		dev_err_ratelimited(module->dev,
93 	report = module->button_status & module->button_mask;
98 		soc_button_id = SND_JACK_BTN_0 & module->button_mask;
102 		soc_button_id = SND_JACK_BTN_1 & module->button_mask;
106 		soc_button_id = SND_JACK_BTN_2 & module->button_mask;
110 		soc_button_id = SND_JACK_BTN_3 & module->button_mask;
115 		dev_err_ratelimited(module->dev,
125 	module->button_status = report;
127 	snd_soc_jack_report(&module->button.jack, report, module->button_mask);
132 static int gbaudio_request_stream(struct gbaudio_module_info *module,
135 	dev_warn(module->dev, "Audio Event received: cport: %u, event: %u\n",
144 	struct gbaudio_module_info *module =
155 		ret = gbaudio_request_stream(module, stream_req);
160 		ret = gbaudio_request_jack(module, jack_req);
165 		ret = gbaudio_request_button(module, button_req);
337 	/* register module with gbcodec */
393 	/* cleanup module related resources first */
476 MODULE_DESCRIPTION("Greybus Audio module driver");
479 MODULE_ALIAS("platform:gbaudio-module");