ASoC: Intel: avs: Disable DSP before loading basefw

When audio controller is passed-through to the guest machine in
virtualized environment, the basefw load will fail the next time guest
OS reboots. Disable the DSP main core before loading the base firmware
to sanitize the environment.
Signed-off-by: Wu Zhou <wu.zhou@intel.com>
Signed-off-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20230929112436.787058-6-amadeuszx.slawinski@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/avs/loader.c

@@ -662,6 +662,10 @@ int avs_dsp_first_boot_firmware(struct avs_dev *adev)
 		}
 	}
 
+	ret = avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK);
+	if (ret < 0)
+		return ret;
+
 	ret = avs_dsp_boot_firmware(adev, true);
 	if (ret < 0) {
 		dev_err(adev->dev, "firmware boot failed: %d\n", ret);