37 static void generate_tone(struct hda_beep *beep, int tone)  in generate_tone()  argument
39 	struct hda_codec *codec = beep->codec;  in generate_tone()
41 	if (tone && !beep->playing) {  in generate_tone()
43 		if (beep->power_hook)  in generate_tone()
44 			beep->power_hook(beep, true);  in generate_tone()
45 		beep->playing = 1;  in generate_tone()
47 	snd_hda_codec_write(codec, beep->nid, 0,  in generate_tone()
49 	if (!tone && beep->playing) {  in generate_tone()
50 		beep->playing = 0;  in generate_tone()
51 		if (beep->power_hook)  in generate_tone()
52 			beep->power_hook(beep, false);  in generate_tone()
59 	struct hda_beep *beep =  in snd_hda_generate_beep()  local
62 	if (beep->enabled)  in snd_hda_generate_beep()
63 		generate_tone(beep, beep->tone);  in snd_hda_generate_beep()
73 static int beep_linear_tone(struct hda_beep *beep, int hz)  in beep_linear_tone()  argument
97 static int beep_standard_tone(struct hda_beep *beep, int hz)  in beep_standard_tone()  argument
112 	struct hda_beep *beep = input_get_drvdata(dev);  in snd_hda_beep_event()  local
120 		if (beep->linear_tone)  in snd_hda_beep_event()
121 			beep->tone = beep_linear_tone(beep, hz);  in snd_hda_beep_event()
123 			beep->tone = beep_standard_tone(beep, hz);  in snd_hda_beep_event()
130 	schedule_work(&beep->beep_work);  in snd_hda_beep_event()
134 static void turn_off_beep(struct hda_beep *beep)  in turn_off_beep()  argument
136 	cancel_work_sync(&beep->beep_work);  in turn_off_beep()
137 	if (beep->playing) {  in turn_off_beep()
139 		generate_tone(beep, 0);  in turn_off_beep()
143 static void snd_hda_do_detach(struct hda_beep *beep)  in snd_hda_do_detach()  argument
145 	if (beep->registered)  in snd_hda_do_detach()
146 		input_unregister_device(beep->dev);  in snd_hda_do_detach()
148 		input_free_device(beep->dev);  in snd_hda_do_detach()
149 	beep->dev = NULL;  in snd_hda_do_detach()
150 	turn_off_beep(beep);  in snd_hda_do_detach()
153 static int snd_hda_do_attach(struct hda_beep *beep)  in snd_hda_do_attach()  argument
156 	struct hda_codec *codec = beep->codec;  in snd_hda_do_attach()
164 	input_dev->phys = beep->phys;  in snd_hda_do_attach()
175 	input_set_drvdata(input_dev, beep);  in snd_hda_do_attach()
177 	beep->dev = input_dev;  in snd_hda_do_attach()
188 	struct hda_beep *beep = codec->beep;  in snd_hda_enable_beep_device()  local
189 	if (!beep)  in snd_hda_enable_beep_device()
192 	if (beep->enabled != enable) {  in snd_hda_enable_beep_device()
193 		beep->enabled = enable;  in snd_hda_enable_beep_device()
195 			turn_off_beep(beep);  in snd_hda_enable_beep_device()
218 	struct hda_beep *beep;  in snd_hda_attach_beep_device()  local
226 	beep = kzalloc(sizeof(*beep), GFP_KERNEL);  in snd_hda_attach_beep_device()
227 	if (beep == NULL)  in snd_hda_attach_beep_device()
229 	snprintf(beep->phys, sizeof(beep->phys),  in snd_hda_attach_beep_device()
235 	beep->nid = nid;  in snd_hda_attach_beep_device()
236 	beep->codec = codec;  in snd_hda_attach_beep_device()
237 	codec->beep = beep;  in snd_hda_attach_beep_device()
239 	INIT_WORK(&beep->beep_work, &snd_hda_generate_beep);  in snd_hda_attach_beep_device()
240 	mutex_init(&beep->mutex);  in snd_hda_attach_beep_device()
242 	err = snd_hda_do_attach(beep);  in snd_hda_attach_beep_device()
244 		kfree(beep);  in snd_hda_attach_beep_device()
245 		codec->beep = NULL;  in snd_hda_attach_beep_device()
259 	struct hda_beep *beep = codec->beep;  in snd_hda_detach_beep_device()  local
260 	if (beep) {  in snd_hda_detach_beep_device()
261 		if (beep->dev)  in snd_hda_detach_beep_device()
262 			snd_hda_do_detach(beep);  in snd_hda_detach_beep_device()
263 		codec->beep = NULL;  in snd_hda_detach_beep_device()
264 		kfree(beep);  in snd_hda_detach_beep_device()
275 	struct hda_beep *beep = codec->beep;  in snd_hda_register_beep_device()  local
278 	if (!beep || !beep->dev)  in snd_hda_register_beep_device()
281 	err = input_register_device(beep->dev);  in snd_hda_register_beep_device()
284 		input_free_device(beep->dev);  in snd_hda_register_beep_device()
285 		codec->beep = NULL;  in snd_hda_register_beep_device()
286 		kfree(beep);  in snd_hda_register_beep_device()
289 	beep->registered = true;  in snd_hda_register_beep_device()
312 	struct hda_beep *beep = codec->beep;  in snd_hda_mixer_amp_switch_get_beep()  local
313 	if (beep && (!beep->enabled || !ctl_has_mute(kcontrol))) {  in snd_hda_mixer_amp_switch_get_beep()
315 			ucontrol->value.integer.value[1] = beep->enabled;  in snd_hda_mixer_amp_switch_get_beep()
331 	struct hda_beep *beep = codec->beep;  in snd_hda_mixer_amp_switch_put_beep()  local
332 	if (beep) {  in snd_hda_mixer_amp_switch_put_beep()