ASoC: apple: aop: Add module parameter to check mics without beamforming

Keep this parameter only until all devices have user-space bits in place.
Enable mics despite of this via `snd_soc_aop.mic_check_123=1` at module
load time, for example bey specifying it in the kernel command line.

Signed-off-by: Janne Grunau <[email protected]>

Author: jannau

sound/soc/apple/aop_audio.rs

@@ -674,6 +674,10 @@ impl platform::Driver for SndSocAopDriver {
             .ok_or(EIO)?
             .get_child_by_name(c_str!("audio"))
             .ok_or(EIO)?;
+        let audio = *module_parameters::mic_check_123.get() != 0;
+        if !audio && of.property_present(c_str!("apple,no-beamforming")) {
+            return Err(ENODEV);
+        }
         let data = SndSocAopData::new(dev, adata, svc, of)?;
         for dev in [AUDIO_DEV_PDM0, AUDIO_DEV_HPAI, AUDIO_DEV_LPAI] {
             data.audio_attach_device(dev)?;
@@ -690,4 +694,10 @@ module_platform_driver! {
     name: "snd_soc_apple_aop",
     license: "Dual MIT/GPL",
     alias: ["platform:snd_soc_apple_aop"],
+    params: {
+        mic_check_123: u8 {
+            default: 0,
+            description: "Enable mics without user space handling",
+        },
+    },
 }