C++ (Cpp) snd_hda_jack_detect_enableの例

コード例 #1

ファイル: hda_jack.c プロジェクト: 3null/linux

static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid,
			 const struct auto_pin_cfg *cfg,
			 const char *base_name)
{
	unsigned int def_conf, conn;
	char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
	int idx, err;
	bool phantom_jack;

	if (!nid)
		return 0;
	def_conf = snd_hda_codec_get_pincfg(codec, nid);
	conn = get_defcfg_connect(def_conf);
	if (conn == AC_JACK_PORT_NONE)
		return 0;
	phantom_jack = (conn != AC_JACK_PORT_COMPLEX) ||
		       !is_jack_detectable(codec, nid);

	if (base_name) {
		strlcpy(name, base_name, sizeof(name));
		idx = 0;
	} else
		snd_hda_get_pin_label(codec, nid, cfg, name, sizeof(name), &idx);
	if (phantom_jack)
		/* Example final name: "Internal Mic Phantom Jack" */
		strncat(name, " Phantom", sizeof(name) - strlen(name) - 1);
	idx = get_unique_index(codec, name, idx);
	err = __snd_hda_jack_add_kctl(codec, nid, name, idx, phantom_jack);
	if (err < 0)
		return err;

	if (!phantom_jack)
		return snd_hda_jack_detect_enable(codec, nid);
	return 0;
}

コード例 #2

ファイル: hda_jack.c プロジェクト: openube/android_kernel_sony_c2305

static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid,
			 const struct auto_pin_cfg *cfg,
			 char *lastname, int *lastidx)
{
	unsigned int def_conf, conn;
	char name[44];
	int idx, err;

	if (!nid)
		return 0;
	if (!is_jack_detectable(codec, nid))
		return 0;
	def_conf = snd_hda_codec_get_pincfg(codec, nid);
	conn = get_defcfg_connect(def_conf);
	if (conn != AC_JACK_PORT_COMPLEX)
		return 0;

	snd_hda_get_pin_label(codec, nid, cfg, name, sizeof(name), &idx);
	if (!strcmp(name, lastname) && idx == *lastidx)
		idx++;
	strncpy(lastname, name, 44);
	*lastidx = idx;
	err = snd_hda_jack_add_kctl(codec, nid, name, idx);
	if (err < 0)
		return err;
	return snd_hda_jack_detect_enable(codec, nid, 0);
}