DONT MERGE: audio: debug comments

dmesg output, when trying to play wav files from /usr/share/sounds/alsa

[  125.612493] arizona 0-001a: Mixer dropped sample
[  125.612671] qcom-q6afe aprsvc:service:4:4: no line is assigned
[  125.612707] q6afe-dai 4080000.remoteproc:smd-edge:apr:service@4:dais: fail to prepare AFE port 16
[  125.612734] q6afe-dai 4080000.remoteproc:smd-edge:apr:service@4:dais: ASoC: error at snd_soc_pcm_dai_prepare on QUAT_MI2S_RX: -22
[  316.381188] qcom-q6afe aprsvc:service:4:4: no line is assigned
[  316.381230] q6afe-dai 4080000.remoteproc:smd-edge:apr:service@4:dais: fail to prepare AFE port 16
[  316.381256] q6afe-dai 4080000.remoteproc:smd-edge:apr:service@4:dais: ASoC: error at snd_soc_pcm_dai_prepare on QUAT_MI2S_RX: -22
[  316.889361] qcom-q6afe aprsvc:service:4:4: no line is assigned
[  316.889404] q6afe-dai 4080000.remoteproc:smd-edge:apr:service@4:dais: fail to prepare AFE port 16
[  316.889431] q6afe-dai 4080000.remoteproc:smd-edge:apr:service@4:dais: ASoC: error at snd_soc_pcm_dai_prepare on QUAT_MI2S_RX: -22

Author: André Apitzsch

arch/arm64/boot/dts/qcom/msm8939-longcheer-l9100.dts

@@ -146,6 +146,7 @@
 &blsp_i2c1 {
 	status = "okay";
 
+    // TODO don't forget to enable kernel modules arizona-ldo1 or micsupp or both - TODO verify
 	speaker_codec: audio-codec@1a {
 		compatible = "wlf,wm8998";
 		reg = <0x1a>;
@@ -196,6 +197,9 @@
 		wlf,micd-configs = <0 ARIZONA_DMIC_MICBIAS2 1>;
 		wlf,micd-bias-start-time = <ARIZONA_MICD_TIME_16MS>;
 
+		// TODO why is wlf,spk-fmt not set (sound/wlf,arizona.yaml)?
+	// no - looks correct (wlf,spk-fmt is not required)
+
 		// TODO:
 //		wlf,infinite_micd = <0x01>;
 //		wlf,micbias1 = <0xaf0 0x01 0x00 0x01 0x00>;
@@ -504,6 +508,10 @@
 		"Headphone", "Headphones";
 	pin-switches = "Speaker";
 	audio-routing =
+/*		"Speaker", "Speaker SPKOUTLN",*/
+/*		"Speaker", "Speaker SPKOUTLP",*/
+/*		"Speaker", "Speaker SPKOUTRN",*/
+/*		"Speaker", "Speaker SPKOUTRP",*/
 		"Speaker IN1AL", "Speaker MICBIAS1",
 		"Speaker IN1AR", "Speaker MICBIAS1",
 		"Speaker IN2A", "Speaker MICBIAS2";
@@ -550,7 +558,7 @@
 	status = "okay";
 };
 
-&lpass {
+&lpass {    // TODO verify
 	status = "okay";
 };