ASoC: soc.h: Add SOC_SINGLE_S_TLV() macro

Add a convenience macro for defining a single (mono) TLV control
with a signed value. This can already be done by using
SOC_DOUBLE_R_S_TLV() with the same address for left and right
registers, but a dedicated macro is more readable.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220405135419.1230088-2-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/sound/soc.h b/include/sound/soc.h
index d3d3a26..55fb6a6 100644 (file)
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -176,6 +176,8 @@
        .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
        .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
                                            xmin, xmax, xsign_bit, xinvert) }
+#define SOC_SINGLE_S_TLV(xname, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
+       SOC_DOUBLE_R_S_TLV(xname, xreg, xreg, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array)
 #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
 {      .iface  = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
        .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \