ASoC: ops: improve snd_soc_get_volsw

[ Upstream commit a0ce874cfaaab9792d657440b9d050e2112f6e4d ]

* clamp the values if the register value read is
  out of range

Signed-off-by: Niranjan H Y <niranjan.hy@ti.com>
[This patch originally had two changes in it, I removed a second buggy
 one -- broonie]
--
v5:
 - remove clamp parameter
 - move the boundary check after sign-bit extension
Link: https://patch.msgid.link/20250912083624.804-1-niranjan.hy@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index a629e0eacb20eb24980ea54754c634da15b67f66..d2b6fb8e0b6c695a0ac3f5b38be940dc8a589ab3 100644 (file)
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -118,6 +118,7 @@ static int soc_mixer_reg_to_ctl(struct soc_mixer_control *mc, unsigned int reg_v
        if (mc->sign_bit)
                val = sign_extend32(val, mc->sign_bit);
 
+       val = clamp(val, mc->min, mc->max);
        val -= mc->min;
 
        if (mc->invert)