asoc: adapt channel mixer usage to tinymix

Tinymix set the array value of the mixer control one by one. The
channel number validation check here will cause failure in tinymix.
Allow 0 value here is fine because the parameters will be checked
before they are set at runtime.

Change-Id: I49c23f84aa081550434696dde96d2800e90390fb
Signed-off-by: Erin Yan <[email protected]>

asoc/msm-compress-q6-v2.c

@@ -4738,9 +4738,9 @@ static int msm_compr_channel_mixer_cfg_ctl_put(struct snd_kcontrol *kcontrol,
 	chmixer_pspd->output_channel = ucontrol->value.integer.value[3];
 	chmixer_pspd->port_idx = ucontrol->value.integer.value[4];
 
-	if (chmixer_pspd->input_channel <= 0 ||
+	if (chmixer_pspd->input_channel < 0 ||
 		chmixer_pspd->input_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8 ||
-		chmixer_pspd->output_channel <= 0 ||
+		chmixer_pspd->output_channel < 0 ||
 		chmixer_pspd->output_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) {
 		pr_err("%s: Invalid channels, in %d, out %d\n",
 				__func__, chmixer_pspd->input_channel,
@@ -4795,7 +4795,7 @@ static int msm_compr_channel_mixer_cfg_ctl_put(struct snd_kcontrol *kcontrol,
 		if (prtd && prtd->audio_client) {
 			stream_id = prtd->audio_client->session;
 			be_id = chmixer_pspd->port_idx;
-			ret = msm_pcm_routing_set_channel_mixer_runtime(be_id,
+			msm_pcm_routing_set_channel_mixer_runtime(be_id,
 					stream_id, session_type, chmixer_pspd);
 		}
 	}

asoc/msm-pcm-q6-v2.c

@@ -1934,9 +1934,9 @@ static int msm_pcm_channel_mixer_cfg_ctl_put(struct snd_kcontrol *kcontrol,
 	chmixer_pspd->output_channel = ucontrol->value.integer.value[3];
 	chmixer_pspd->port_idx = ucontrol->value.integer.value[4];
 
-	if (chmixer_pspd->input_channel <= 0 ||
+	if (chmixer_pspd->input_channel < 0 ||
 		chmixer_pspd->input_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8 ||
-		chmixer_pspd->output_channel <= 0 ||
+		chmixer_pspd->output_channel < 0 ||
 		chmixer_pspd->output_channel > PCM_FORMAT_MAX_NUM_CHANNEL_V8) {
 		pr_err("%s: Invalid channels, in %d, out %d\n",
 				__func__, chmixer_pspd->input_channel,