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path: root/sound/pci/hda/hda_hwdep.c
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Diffstat (limited to 'sound/pci/hda/hda_hwdep.c')
-rw-r--r--sound/pci/hda/hda_hwdep.c238
1 files changed, 4 insertions, 234 deletions
diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 4ae51dcb81a..014a7849e8f 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -20,10 +20,7 @@
#include <linux/init.h>
#include <linux/slab.h>
-#include <linux/pci.h>
#include <linux/compat.h>
-#include <linux/mutex.h>
-#include <linux/ctype.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
@@ -97,26 +94,7 @@ static int hda_hwdep_open(struct snd_hwdep *hw, struct file *file)
return 0;
}
-static void clear_hwdep_elements(struct hda_codec *codec)
-{
- char **head;
- int i;
-
- /* clear init verbs */
- snd_array_free(&codec->init_verbs);
- /* clear hints */
- head = codec->hints.list;
- for (i = 0; i < codec->hints.used; i++, head++)
- kfree(*head);
- snd_array_free(&codec->hints);
-}
-
-static void hwdep_free(struct snd_hwdep *hwdep)
-{
- clear_hwdep_elements(hwdep->private_data);
-}
-
-int /*__devinit*/ snd_hda_create_hwdep(struct hda_codec *codec)
+int snd_hda_create_hwdep(struct hda_codec *codec)
{
char hwname[16];
struct snd_hwdep *hwdep;
@@ -130,8 +108,8 @@ int /*__devinit*/ snd_hda_create_hwdep(struct hda_codec *codec)
sprintf(hwdep->name, "HDA Codec %d", codec->addr);
hwdep->iface = SNDRV_HWDEP_IFACE_HDA;
hwdep->private_data = codec;
- hwdep->private_free = hwdep_free;
hwdep->exclusive = 1;
+ hwdep->groups = snd_hda_dev_attr_groups;
hwdep->ops.open = hda_hwdep_open;
hwdep->ops.ioctl = hda_hwdep_ioctl;
@@ -139,216 +117,8 @@ int /*__devinit*/ snd_hda_create_hwdep(struct hda_codec *codec)
hwdep->ops.ioctl_compat = hda_hwdep_ioctl_compat;
#endif
- snd_array_init(&codec->init_verbs, sizeof(struct hda_verb), 32);
- snd_array_init(&codec->hints, sizeof(char *), 32);
-
- return 0;
-}
-
-#ifdef CONFIG_SND_HDA_RECONFIG
-
-/*
- * sysfs interface
- */
+ /* link to codec */
+ hwdep->dev = &codec->dev;
-static int clear_codec(struct hda_codec *codec)
-{
- snd_hda_codec_reset(codec);
- clear_hwdep_elements(codec);
return 0;
}
-
-static int reconfig_codec(struct hda_codec *codec)
-{
- int err;
-
- snd_printk(KERN_INFO "hda-codec: reconfiguring\n");
- snd_hda_codec_reset(codec);
- err = snd_hda_codec_configure(codec);
- if (err < 0)
- return err;
- /* rebuild PCMs */
- err = snd_hda_codec_build_pcms(codec);
- if (err < 0)
- return err;
- /* rebuild mixers */
- err = snd_hda_codec_build_controls(codec);
- if (err < 0)
- return err;
- return snd_card_register(codec->bus->card);
-}
-
-/*
- * allocate a string at most len chars, and remove the trailing EOL
- */
-static char *kstrndup_noeol(const char *src, size_t len)
-{
- char *s = kstrndup(src, len, GFP_KERNEL);
- char *p;
- if (!s)
- return NULL;
- p = strchr(s, '\n');
- if (p)
- *p = 0;
- return s;
-}
-
-#define CODEC_INFO_SHOW(type) \
-static ssize_t type##_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; \
- return sprintf(buf, "0x%x\n", codec->type); \
-}
-
-#define CODEC_INFO_STR_SHOW(type) \
-static ssize_t type##_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; \
- return sprintf(buf, "%s\n", \
- codec->type ? codec->type : ""); \
-}
-
-CODEC_INFO_SHOW(vendor_id);
-CODEC_INFO_SHOW(subsystem_id);
-CODEC_INFO_SHOW(revision_id);
-CODEC_INFO_SHOW(afg);
-CODEC_INFO_SHOW(mfg);
-CODEC_INFO_STR_SHOW(name);
-CODEC_INFO_STR_SHOW(modelname);
-
-#define CODEC_INFO_STORE(type) \
-static ssize_t type##_store(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct snd_hwdep *hwdep = dev_get_drvdata(dev); \
- struct hda_codec *codec = hwdep->private_data; \
- char *after; \
- codec->type = simple_strtoul(buf, &after, 0); \
- return count; \
-}
-
-#define CODEC_INFO_STR_STORE(type) \
-static ssize_t type##_store(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct snd_hwdep *hwdep = dev_get_drvdata(dev); \
- struct hda_codec *codec = hwdep->private_data; \
- char *s = kstrndup_noeol(buf, 64); \
- if (!s) \
- return -ENOMEM; \
- kfree(codec->type); \
- codec->type = s; \
- return count; \
-}
-
-CODEC_INFO_STORE(vendor_id);
-CODEC_INFO_STORE(subsystem_id);
-CODEC_INFO_STORE(revision_id);
-CODEC_INFO_STR_STORE(name);
-CODEC_INFO_STR_STORE(modelname);
-
-#define CODEC_ACTION_STORE(type) \
-static ssize_t type##_store(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct snd_hwdep *hwdep = dev_get_drvdata(dev); \
- struct hda_codec *codec = hwdep->private_data; \
- int err = 0; \
- if (*buf) \
- err = type##_codec(codec); \
- return err < 0 ? err : count; \
-}
-
-CODEC_ACTION_STORE(reconfig);
-CODEC_ACTION_STORE(clear);
-
-static ssize_t init_verbs_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct snd_hwdep *hwdep = dev_get_drvdata(dev);
- struct hda_codec *codec = hwdep->private_data;
- struct hda_verb *v;
- int nid, verb, param;
-
- if (sscanf(buf, "%i %i %i", &nid, &verb, &param) != 3)
- return -EINVAL;
- if (!nid || !verb)
- return -EINVAL;
- v = snd_array_new(&codec->init_verbs);
- if (!v)
- return -ENOMEM;
- v->nid = nid;
- v->verb = verb;
- v->param = param;
- return count;
-}
-
-static ssize_t hints_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct snd_hwdep *hwdep = dev_get_drvdata(dev);
- struct hda_codec *codec = hwdep->private_data;
- char *p;
- char **hint;
-
- if (!*buf || isspace(*buf) || *buf == '#' || *buf == '\n')
- return count;
- p = kstrndup_noeol(buf, 1024);
- if (!p)
- return -ENOMEM;
- hint = snd_array_new(&codec->hints);
- if (!hint) {
- kfree(p);
- return -ENOMEM;
- }
- *hint = p;
- return count;
-}
-
-#define CODEC_ATTR_RW(type) \
- __ATTR(type, 0644, type##_show, type##_store)
-#define CODEC_ATTR_RO(type) \
- __ATTR_RO(type)
-#define CODEC_ATTR_WO(type) \
- __ATTR(type, 0200, NULL, type##_store)
-
-static struct device_attribute codec_attrs[] = {
- CODEC_ATTR_RW(vendor_id),
- CODEC_ATTR_RW(subsystem_id),
- CODEC_ATTR_RW(revision_id),
- CODEC_ATTR_RO(afg),
- CODEC_ATTR_RO(mfg),
- CODEC_ATTR_RW(name),
- CODEC_ATTR_RW(modelname),
- CODEC_ATTR_WO(init_verbs),
- CODEC_ATTR_WO(hints),
- CODEC_ATTR_WO(reconfig),
- CODEC_ATTR_WO(clear),
-};
-
-/*
- * create sysfs files on hwdep directory
- */
-int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
-{
- struct snd_hwdep *hwdep = codec->hwdep;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(codec_attrs); i++)
- snd_add_device_sysfs_file(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card,
- hwdep->device, &codec_attrs[i]);
- return 0;
-}
-
-#endif /* CONFIG_SND_HDA_RECONFIG */
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