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

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

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-03-02 17:09:25 +01:00
parent 43b62713f6
commit ab1726f920
1 changed files with 33 additions and 2 deletions
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35
sound/pci/hda/hda_hwdep.c
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@ -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),