sound/hda/hdac_sysfs.c

89 	ssize_t (*show)(struct hdac_device *codec, hda_nid_t nid,
91 	ssize_t (*store)(struct hdac_device *codec, hda_nid_t nid,
99 	int nid;
102 	ret = kstrtoint(kobj->name, 16, &nid);
106 	return nid;
115 	int nid;
119 	nid = get_codec_nid(kobj, &codec);
120 	if (nid < 0)
121 		return nid;
122 	return wid_attr->show(codec, nid, wid_attr, buf);
131 	int nid;
135 	nid = get_codec_nid(kobj, &codec);
136 	if (nid < 0)
137 		return nid;
138 	return wid_attr->store(codec, nid, wid_attr, buf, count);
161 static ssize_t caps_show(struct hdac_device *codec, hda_nid_t nid,
164 	return sysfs_emit(buf, "0x%08x\n", get_wcaps(codec, nid));
167 static ssize_t pin_caps_show(struct hdac_device *codec, hda_nid_t nid,
170 	if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
173 			  snd_hdac_read_parm(codec, nid, AC_PAR_PIN_CAP));
176 static ssize_t pin_cfg_show(struct hdac_device *codec, hda_nid_t nid,
181 	if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
183 	if (snd_hdac_read(codec, nid, AC_VERB_GET_CONFIG_DEFAULT, 0, &val))
188 static bool has_pcm_cap(struct hdac_device *codec, hda_nid_t nid)
190 	if (nid == codec->afg || nid == codec->mfg)
192 	switch (get_wcaps_type(get_wcaps(codec, nid))) {
201 static ssize_t pcm_caps_show(struct hdac_device *codec, hda_nid_t nid,
204 	if (!has_pcm_cap(codec, nid))
207 			  snd_hdac_read_parm(codec, nid, AC_PAR_PCM));
210 static ssize_t pcm_formats_show(struct hdac_device *codec, hda_nid_t nid,
213 	if (!has_pcm_cap(codec, nid))
216 			  snd_hdac_read_parm(codec, nid, AC_PAR_STREAM));
219 static ssize_t amp_in_caps_show(struct hdac_device *codec, hda_nid_t nid,
222 	if (nid != codec->afg && !(get_wcaps(codec, nid) & AC_WCAP_IN_AMP))
225 			  snd_hdac_read_parm(codec, nid, AC_PAR_AMP_IN_CAP));
228 static ssize_t amp_out_caps_show(struct hdac_device *codec, hda_nid_t nid,
231 	if (nid != codec->afg && !(get_wcaps(codec, nid) & AC_WCAP_OUT_AMP))
234 			  snd_hdac_read_parm(codec, nid, AC_PAR_AMP_OUT_CAP));
237 static ssize_t power_caps_show(struct hdac_device *codec, hda_nid_t nid,
240 	if (nid != codec->afg && !(get_wcaps(codec, nid) & AC_WCAP_POWER))
243 			  snd_hdac_read_parm(codec, nid, AC_PAR_POWER_STATE));
246 static ssize_t gpio_caps_show(struct hdac_device *codec, hda_nid_t nid,
250 			  snd_hdac_read_parm(codec, nid, AC_PAR_GPIO_CAP));
253 static ssize_t connections_show(struct hdac_device *codec, hda_nid_t nid,
260 	nconns = snd_hdac_get_connections(codec, nid, list, ARRAY_SIZE(list));
338 static int add_widget_node(struct kobject *parent, hda_nid_t nid,
348 	err = kobject_add(kobj, parent, "%02x", nid);
367 	hda_nid_t nid;
382 	for (i = 0, nid = codec->start_nid; i < codec->num_nodes; i++, nid++) {
383 		err = add_widget_node(tree->root, nid, &widget_node_group,
429 	hda_nid_t nid;
446 	for (i = 0, nid = codec->start_nid; i < codec->num_nodes; i++, nid++) {
447 		if (nid < start_nid || nid >= end_nid)
453 	for (i = 0, nid = start_nid; i < num_nodes; i++, nid++) {
454 		if (nid < codec->start_nid || nid >= codec->end_nid)
455 			add_widget_node(tree->root, nid, &widget_node_group,
459 				codec->widgets->nodes[nid - codec->start_nid];