typedef int (snd_kcontrol_get_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol);
typedef int (snd_kcontrol_put_t) (struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol);
typedef int (snd_kcontrol_tlv_rw_t)(struct snd_kcontrol *kcontrol,
- int op_flag, /* 0=read,1=write,-1=command */
+ int op_flag, /* SNDRV_CTL_TLV_OP_XXX */
unsigned int size,
unsigned int __user *tlv);
+enum {
+ SNDRV_CTL_TLV_OP_READ = 0,
+ SNDRV_CTL_TLV_OP_WRITE = 1,
+ SNDRV_CTL_TLV_OP_CMD = -1,
+};
struct snd_kcontrol_new {
snd_ctl_elem_iface_t iface; /* interface identifier */