diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/control.h | 7 | ||||
| -rw-r--r-- | include/sound/soc.h | 14 |
2 files changed, 19 insertions, 2 deletions
diff --git a/include/sound/control.h b/include/sound/control.h index 5358892b1b39..042613938a1d 100644 --- a/include/sound/control.h +++ b/include/sound/control.h @@ -31,10 +31,15 @@ typedef int (snd_kcontrol_info_t) (struct snd_kcontrol * kcontrol, struct snd_ct 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 */ diff --git a/include/sound/soc.h b/include/sound/soc.h index 27ed5ccb174a..be6ecae247b0 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -272,7 +272,14 @@ .get = xhandler_get, .put = xhandler_put, \ .private_value = (unsigned long)&(struct soc_bytes_ext) \ {.max = xcount} } - +#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ + SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ + .tlv.c = (snd_soc_bytes_tlv_callback), \ + .info = snd_soc_info_bytes_ext, \ + .private_value = (unsigned long)&(struct soc_bytes_ext) \ + {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ xmin, xmax, xinvert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ @@ -560,6 +567,8 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *ucontrol); +int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, + unsigned int size, unsigned int __user *tlv); int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, @@ -1132,6 +1141,9 @@ struct soc_bytes { struct soc_bytes_ext { int max; + /* used for TLV byte control */ + int (*get)(unsigned int __user *bytes, unsigned int size); + int (*put)(const unsigned int __user *bytes, unsigned int size); }; /* multi register control */ |