audio: base_fw_intel: do not access UAOL hw in Linux compat mode

If SOF is built with Linux OS overlay and uses the strict
compatibility mode, do not access UAOL hardware unconditionally
on Intel platforms as old Linux kernel versions may not have enabled
USB Audio Offload (UAOL) access and trying to read the capabilities
from hardware will cause a DSP panic.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>

Author: kv2019i

src/audio/base_fw_intel.c

@@ -194,7 +194,11 @@ __cold int basefw_vendor_hw_config(uint32_t *data_offset, char *data)
 	tlv_value_set(tuple, IPC4_INTEL_MIC_PRIVACY_CAPS_HW_CFG, sizeof(priv_caps), &priv_caps);
 #endif
 
-#if CONFIG_UAOL_INTEL_ADSP
+	/* Linux 7.0 and older do not enable UAOL for any Intel
+	 * hardware, so below capability check will lead to a DSP
+	 * panic. In strict compatibility mode, bypass the capability
+	 * check. */
+#if !defined(CONFIG_SOF_OS_LINUX_COMPAT_PRIORITY) && defined(CONFIG_UAOL_INTEL_ADSP)
 	tuple = tlv_next(tuple);
 	tlv_value_set_uaol_caps(tuple, IPC4_UAOL_CAPS_HW_CFG);
 #endif