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| author |   Takashi Iwai <tiwai@suse.de> | 2009-03-02 17:09:25 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-03-02 17:29:53 +0100 |
| commit | ab1726f920275b52991b2eff7538ac6d313bf9a2 (patch) | |
| tree | 0ad588024d3742c77e85978e78d21e5e9ce1a2e6 /sound/pci/hda/hda_hwdep.c | |
| parent | ALSA: hda - Add hint string helper functions (diff) | |
| download | linux-dev-ab1726f920275b52991b2eff7538ac6d313bf9a2.tar.xz linux-dev-ab1726f920275b52991b2eff7538ac6d313bf9a2.zip | |
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>
Diffstat (limited to 'sound/pci/hda/hda_hwdep.c')
| -rw-r--r-- | sound/pci/hda/hda_hwdep.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c index 5e554de9cd9b..1e3ccc740afc 100644 --- a/sound/pci/hda/hda_hwdep.c +++ b/sound/pci/hda/hda_hwdep.c @@ -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), |