Signed-off-by: Tanjeff-N. Moos tanjeff@cccmz.de --- 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.