@@ -73,6 +73,8 @@ enum snd_jack_types {
struct snd_jack {
struct input_dev *input_dev;
+ struct list_head kctl_list;
+ struct snd_card *card;
int registered;
int type;
const char *id;
@@ -86,6 +88,7 @@ struct snd_jack {
int snd_jack_new(struct snd_card *card, const char *id, int type,
struct snd_jack **jack);
+int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask);
void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
int keytype);
@@ -93,13 +96,17 @@ int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
void snd_jack_report(struct snd_jack *jack, int status);
#else
-
static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
struct snd_jack **jack)
{
return 0;
}
+static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
+{
+ return 0;
+}
+
static inline void snd_jack_set_parent(struct snd_jack *jack,
struct device *parent)
{
@@ -221,9 +221,6 @@ config SND_PCM_XRUN_DEBUG
config SND_VMASTER
bool
-config SND_KCTL_JACK
- bool
-
config SND_DMA_SGBUF
def_bool y
depends on X86
@@ -7,8 +7,7 @@ snd-y := sound.o init.o memory.o info.o control.o misc.o device.o
snd-$(CONFIG_ISA_DMA_API) += isadma.o
snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o info_oss.o
snd-$(CONFIG_SND_VMASTER) += vmaster.o
-snd-$(CONFIG_SND_KCTL_JACK) += ctljack.o
-snd-$(CONFIG_SND_JACK) += jack.o
+snd-$(CONFIG_SND_JACK) += ctljack.o jack.o
snd-pcm-y := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \
pcm_memory.o memalloc.o
@@ -24,6 +24,13 @@
#include <linux/module.h>
#include <sound/jack.h>
#include <sound/core.h>
+#include <sound/control.h>
+
+struct snd_jack_kctl {
+ struct snd_kcontrol *kctl;
+ struct list_head list; /* list of controls belong to the same jack */
+ unsigned int mask_bits; /* one of the corresponding bits of status change will report to this kctl */
+};
static int jack_switch_types[SND_JACK_SWITCH_TYPES] = {
SW_HEADPHONE_INSERT,
@@ -54,7 +61,13 @@ static int snd_jack_dev_disconnect(struct snd_device *device)
static int snd_jack_dev_free(struct snd_device *device)
{
struct snd_jack *jack = device->device_data;
+ struct snd_card *card = device->card;
+ struct snd_jack_kctl *jack_kctl, *tmp_jack_kctl;
+ list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) {
+ list_del_init(&jack_kctl->list);
+ snd_ctl_remove(card, jack_kctl->kctl);
+ }
if (jack->private_free)
jack->private_free(jack);
@@ -100,6 +113,90 @@ static int snd_jack_dev_register(struct snd_device *device)
return err;
}
+static void snd_jack_kctl_private_free(struct snd_kcontrol *kctl)
+{
+ struct snd_jack_kctl *jack_kctl;
+
+ jack_kctl = kctl->private_data;
+ if (jack_kctl) {
+ list_del(&jack_kctl->list);
+ kfree(jack_kctl);
+ }
+}
+
+static void snd_jack_kctl_add(struct snd_jack *jack, struct snd_jack_kctl *jack_kctl)
+{
+ list_add_tail(&jack_kctl->list, &jack->kctl_list);
+}
+
+/**
+ * snd_jack_kctl_new - Create a new snd_jack_kctl and return it
+ * @card: the card instance
+ * @kctl_name: the name for the snd_kcontrol object
+ * @mask: a bitmask of enum snd_jack_type values that can be detected
+ * by this snd_jack_kctl object.
+ *
+ * Creates a new snd_kcontrol object, and assign it to the new created
+ * snd_jack_kctl object.
+ *
+ * Return: The new created snd_jack_kctl object, or NULL if failed.
+ */
+static struct snd_jack_kctl * snd_jack_kctl_new(struct snd_card *card, const char *name, unsigned int mask)
+{
+ struct snd_kcontrol *kctl;
+ struct snd_jack_kctl *jack_kctl;
+ int err;
+
+ kctl = snd_kctl_jack_new(name, 0, card);
+ if (!kctl)
+ return NULL;
+
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
+ return NULL;
+
+ jack_kctl = kzalloc(sizeof(*jack_kctl), GFP_KERNEL);
+
+ if (!jack_kctl)
+ goto error;
+
+ jack_kctl->kctl = kctl;
+ jack_kctl->mask_bits = mask;
+
+ kctl->private_data = jack_kctl;
+ kctl->private_free = snd_jack_kctl_private_free;
+
+ return jack_kctl;
+error:
+ snd_ctl_free_one(kctl);
+ return NULL;
+}
+
+/**
+ * snd_jack_add_new_kctl - Create a new snd_jack_kctl and add it to jack
+ * @jack: the jack instance which the kctl will attaching to
+ * @name: the name for the snd_kcontrol object
+ * @mask: a bitmask of enum snd_jack_type values that can be detected
+ * by this snd_jack_kctl object.
+ *
+ * Creates a new snd_kcontrol object, and assign it to the new created
+ * snd_jack_kctl object, then add it to the jack kctl_list.
+ *
+ * Return: Zero if successful, or a negative error code on failure.
+ */
+int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
+{
+ struct snd_jack_kctl *jack_kctl;
+
+ jack_kctl = snd_jack_kctl_new(jack->card, name, mask);
+ if (!jack_kctl)
+ return -ENOMEM;
+
+ snd_jack_kctl_add(jack, jack_kctl);
+ return 0;
+}
+EXPORT_SYMBOL(snd_jack_add_new_kctl);
+
/**
* snd_jack_new - Create a new jack
* @card: the card instance
@@ -150,6 +247,9 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
if (err < 0)
goto fail_input;
+ jack->card = card;
+ INIT_LIST_HEAD(&jack->kctl_list);
+
*jjack = jack;
return 0;
@@ -230,6 +330,7 @@ EXPORT_SYMBOL(snd_jack_set_key);
*/
void snd_jack_report(struct snd_jack *jack, int status)
{
+ struct snd_jack_kctl *jack_kctl;
int i;
if (!jack)
@@ -245,13 +346,20 @@ void snd_jack_report(struct snd_jack *jack, int status)
for (i = 0; i < ARRAY_SIZE(jack_switch_types); i++) {
int testbit = 1 << i;
- if (jack->type & testbit)
+ if (jack->type & testbit) {
input_report_switch(jack->input_dev,
jack_switch_types[i],
status & testbit);
+ }
}
input_sync(jack->input_dev);
+
+ list_for_each_entry(jack_kctl, &jack->kctl_list, list) {
+ snd_kctl_jack_report(jack->card, jack_kctl->kctl,
+ status & jack_kctl->mask_bits);
+ }
+
}
EXPORT_SYMBOL(snd_jack_report);
@@ -4,7 +4,7 @@ config SND_HDA
tristate
select SND_PCM
select SND_VMASTER
- select SND_KCTL_JACK
+ select SND_JACK
config SND_HDA_INTEL
tristate "HD Audio PCI"