Signed-off-by: Tanjeff-N. Moos <tanjeff@xxxxxxxx>
---
include/control.h | 9 +++++++--
src/control/cards.c | 5 ++++-
src/control/control.c | 2 +-
3 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/include/control.h b/include/control.h
index e1a0da47..40353558 100644
--- a/include/control.h
+++ b/include/control.h
@@ -155,7 +155,7 @@ typedef struct _snd_ctl_elem_list snd_ctl_elem_list_t;
/** CTL element info container */
typedef struct _snd_ctl_elem_info snd_ctl_elem_info_t;
-/** CTL element value container
+/** CTL element value container.
*
* Contains the value(s) (i.e. members) of a single element. All
* values of a given element are of the same type.
@@ -167,6 +167,11 @@ typedef struct _snd_ctl_elem_info snd_ctl_elem_info_t;
* using the latter, it must be freed again using
* snd_ctl_elem_value_free().
*
+ * A value object can be zeroed out using snd_ctl_elem_value_clear().
+ *
+ * A value object can be copied to another one using
+ * snd_ctl_elem_value_copy().
+ *
* \par Identifier
*
* Then, the ID must be filled. It is sufficient to fill only the
@@ -614,7 +619,7 @@ size_t snd_ctl_elem_value_sizeof(void);
* \brief Allocate an invalid #snd_ctl_elem_value_t on the stack.
*
* Allocate space for a value object on the stack. The allocated
- * memory need not be freed, because is on the stack.
+ * memory need not be freed, because it is on the stack.
*
* See snd_ctl_elem_value_t for details.
*
diff --git a/src/control/cards.c b/src/control/cards.c
index 8226c42d..6145ebcd 100644
--- a/src/control/cards.c
+++ b/src/control/cards.c
@@ -147,6 +147,7 @@ int snd_card_get_index(const char *string)
return -EINVAL;
if ((isdigit(*string) && *(string + 1) == 0) ||
(isdigit(*string) && isdigit(*(string + 1)) && *(string + 2) == 0)) {
+ /* We got an index */
if (sscanf(string, "%i", &card) != 1)
return -EINVAL;
if (card < 0 || card >= SND_MAX_CARDS)
@@ -156,8 +157,10 @@ int snd_card_get_index(const char *string)
return card;
return err;
}
- if (string[0] == '/') /* device name */
+ if (string[0] == '/')
+ /* We got a device name */
return snd_card_load2(string);
+ /* We got in ID */
for (card = 0; card < SND_MAX_CARDS; card++) {
#ifdef SUPPORT_ALOAD
if (! snd_card_load(card))
diff --git a/src/control/control.c b/src/control/control.c
index 7abf8ee3..66eabda5 100644
--- a/src/control/control.c
+++ b/src/control/control.c
@@ -2985,7 +2985,7 @@ size_t snd_ctl_elem_value_sizeof()
/**
* \brief Allocate an invalid #snd_ctl_elem_value_t on the heap.
*
- * Allocate space for a value object on the head. The allocated memory
+ * Allocate space for a value object on the heap. The allocated memory
* must be freed using snd_ctl_elem_value_free().
*
* See snd_ctl_elem_value_t for details.
--
2.17.1
