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: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 5e554de..1e3ccc7 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -290,6 +290,22 @@
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 @@
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 @@
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),