ASoC: Add macros for signed TLV controls with callbacks

Merge series from Richard Fitzgerald <rf@opensource.cirrus.com>:

This adds SOC_DOUBLE_R_S_EXT_TLV and SOC_SINGLE_S_EXT_TLV macros for
signed TLV controls that need custom get/put callbacks. These will be
needed by future Cirrus codec drivers, but are not particularly exotic
so could be useful for others.

include/sound/soc.h

@@ -282,6 +282,23 @@
 	.get = xhandler_get, .put = xhandler_put, \
 	.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
 					    xmax, xinvert) }
+#define SOC_DOUBLE_R_S_EXT_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, \
+			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
+			       tlv_array) \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+	.tlv.p = (tlv_array), \
+	.info = snd_soc_info_volsw, \
+	.get = xhandler_get, .put = xhandler_put, \
+	.private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
+					      xmin, xmax, xsign_bit, xinvert) }
+#define SOC_SINGLE_S_EXT_TLV(xname, xreg, xshift, xmin, xmax, \
+			     xsign_bit, xinvert, xhandler_get, xhandler_put, \
+			     tlv_array) \
+	SOC_DOUBLE_R_S_EXT_TLV(xname, xreg, xreg, xshift, xmin, xmax, \
+			       xsign_bit, xinvert, xhandler_get, xhandler_put, \
+			       tlv_array)
 #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 	.info = snd_soc_info_bool_ext, \