Commit ab1726f9 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Add show for init_verbs and hints sysfs entries 



Added the show method for init_verbs and hints hwdep sysfs entries.
They show the current values.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 43b62713

sound/pci/hda/hda_hwdep.c

+33 −2
Original line number Diff line number Diff line
@@ -290,6 +290,22 @@ static ssize_t type##_store(struct device *dev, \ 
CODEC_ACTION_STORE(reconfig);

CODEC_ACTION_STORE(clear);



static ssize_t init_verbs_show(struct device *dev,

			       struct device_attribute *attr,

			       char *buf)

{

	struct snd_hwdep *hwdep = dev_get_drvdata(dev);

	struct hda_codec *codec = hwdep->private_data;

	int i, len = 0;

	for (i = 0; i < codec->init_verbs.used; i++) {

		struct hda_verb *v = snd_array_elem(&codec->init_verbs, i);

		len += snprintf(buf + len, PAGE_SIZE - len,

				"0x%02x 0x%03x 0x%04x\n",

				v->nid, v->verb, v->param);

	}

	return len;

}



static ssize_t init_verbs_store(struct device *dev,

				struct device_attribute *attr,

				const char *buf, size_t count)
@@ -312,6 +328,21 @@ static ssize_t init_verbs_store(struct device *dev, 
	return count;

}



static ssize_t hints_show(struct device *dev,

			  struct device_attribute *attr,

			  char *buf)

{

	struct snd_hwdep *hwdep = dev_get_drvdata(dev);

	struct hda_codec *codec = hwdep->private_data;

	int i, len = 0;

	for (i = 0; i < codec->hints.used; i++) {

		struct hda_hint *hint = snd_array_elem(&codec->hints, i);

		len += snprintf(buf + len, PAGE_SIZE - len,

				"%s = %s\n", hint->key, hint->val);

	}

	return len;

}



static struct hda_hint *get_hint(struct hda_codec *codec, const char *key)

{

	int i;
@@ -466,8 +497,8 @@ static struct device_attribute codec_attrs[] = { 
	CODEC_ATTR_RO(mfg),

	CODEC_ATTR_RW(name),

	CODEC_ATTR_RW(modelname),

	CODEC_ATTR_WO(init_verbs),

	CODEC_ATTR_WO(hints),

	CODEC_ATTR_RW(init_verbs),

	CODEC_ATTR_RW(hints),

	CODEC_ATTR_RO(init_pin_configs),

	CODEC_ATTR_RW(user_pin_configs),

	CODEC_ATTR_RO(driver_pin_configs),