ASoc: msm: Add support for multiple inputs to kcontrol
Adds the macro SOC_SINGLE_MULTI_EXT which allows the user
to pass the number of integer inputs accepted by the control.
Change-Id: I75009672568d1e0979ecd577031e72bd87f310d2
Signed-off-by: Ben Romberger <bromberg@codeaurora.org>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index e5f2bf0..2fcde6f 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -138,6 +138,14 @@
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = xreg, .shift = shift_left, .rshift = shift_right, \
.max = xmax, .platform_max = xmax, .invert = xinvert} }
+#define SOC_SINGLE_MULTI_EXT(xname, xreg, xshift, xmax, xinvert, xcount,\
+ xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_multi_ext, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&(struct soc_multi_mixer_control) \
+ {.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
+ .count = xcount, .platform_max = xmax, .invert = xinvert} }
#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
xhandler_get, xhandler_put, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
@@ -432,6 +440,8 @@
struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
+int snd_soc_info_multi_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
int snd_soc_limit_volume(struct snd_soc_codec *codec,
const char *name, int max);
int snd_soc_info_volsw_2r_sx(struct snd_kcontrol *kcontrol,
@@ -927,6 +937,12 @@
unsigned int reg, rreg, shift, rshift, invert;
};
+/* mixer multiple input control */
+struct soc_multi_mixer_control {
+ int min, max, platform_max, count;
+ unsigned int reg, rreg, shift, rshift, invert;
+};
+
/* enumerated kcontrol */
struct soc_enum {
unsigned short reg;