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-rw-r--r--include/sound/soc.h18
-rw-r--r--sound/soc/soc-core.c49
2 files changed, 67 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 1e16d6e..3e9cae0 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -185,6 +185,12 @@
.rreg = xreg_right, .shift = xshift, \
.min = xmin, .max = xmax} }
+#define SND_SOC_BYTES(xname, xbase, xregs) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
+ .put = snd_soc_bytes_put, .private_value = \
+ ((unsigned long)&(struct soc_bytes) \
+ {.base = xbase, .num_regs = xregs }) }
/*
* Simplified versions of above macros, declaring a struct and calculating
@@ -413,6 +419,13 @@ int snd_soc_get_volsw_2r_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
+int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+
/**
* struct snd_soc_reg_access - Describes whether a given register is
@@ -888,6 +901,11 @@ struct soc_mixer_control {
unsigned int reg, rreg, shift, rshift, invert;
};
+struct soc_bytes {
+ int base;
+ int num_regs;
+};
+
/* enumerated kcontrol */
struct soc_enum {
unsigned short reg;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 3ca7059..a9786ab7 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2736,6 +2736,55 @@ int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol,
}
EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r_sx);
+int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct soc_bytes *params = (void *)kcontrol->private_value;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+ uinfo->count = params->num_regs * codec->val_bytes;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
+
+int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_bytes *params = (void *)kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int ret;
+
+ if (codec->using_regmap)
+ ret = regmap_raw_read(codec->control_data, params->base,
+ ucontrol->value.bytes.data,
+ params->num_regs * codec->val_bytes);
+ else
+ ret = -EINVAL;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
+
+int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_bytes *params = (void *)kcontrol->private_value;
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ int ret;
+
+ if (codec->using_regmap)
+ ret = regmap_raw_write(codec->control_data, params->base,
+ ucontrol->value.bytes.data,
+ params->num_regs * codec->val_bytes);
+ else
+ ret = -EINVAL;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
+
/**
* snd_soc_dai_set_sysclk - configure DAI system or master clock.
* @dai: DAI
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