ASoC: codecs: rx-macro: fix accessing compander for aux

AUX interpolator does not have compander, so check before accessing
compander data for this.

Without this checkan array of out bounds access will be made in
comp_enabled[] array.

Fixes: 4f692926f562 ("ASoC: codecs: lpass-rx-macro: add dapm widgets and route")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220222183212.11580-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c
index 6ffe883..1ac0bc1 100644 (file)
--- a/sound/soc/codecs/lpass-rx-macro.c
+++ b/sound/soc/codecs/lpass-rx-macro.c
@@ -2039,6 +2039,10 @@ static int rx_macro_load_compander_coeff(struct snd_soc_component *component,
        int i;
        int hph_pwr_mode;
 
+       /* AUX does not have compander */
+       if (comp == INTERP_AUX)
+               return 0;
+
        if (!rx->comp_enabled[comp])
                return 0;