ASoC: SOF: Intel: hda: add namespace for hda-codec functionality

Define namespaces (one generic and one dedicated for i915) and include
them in HDaudio top-level module.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191217202231.18259-7-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/hda-codec.c

@@ -76,8 +76,8 @@ void hda_codec_jack_check(struct snd_sof_dev *sdev)
 void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) {}
 void hda_codec_jack_check(struct snd_sof_dev *sdev) {}
 #endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */
-EXPORT_SYMBOL(hda_codec_jack_wake_enable);
-EXPORT_SYMBOL(hda_codec_jack_check);
+EXPORT_SYMBOL_NS(hda_codec_jack_wake_enable, SND_SOC_SOF_HDA_AUDIO_CODEC);
+EXPORT_SYMBOL_NS(hda_codec_jack_check, SND_SOC_SOF_HDA_AUDIO_CODEC);
 
 /* probe individual codec */
 static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
@@ -160,7 +160,7 @@ void hda_codec_probe_bus(struct snd_sof_dev *sdev,
 		}
 	}
 }
-EXPORT_SYMBOL(hda_codec_probe_bus);
+EXPORT_SYMBOL_NS(hda_codec_probe_bus, SND_SOC_SOF_HDA_AUDIO_CODEC);
 
 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) || \
 	IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)
@@ -172,7 +172,7 @@ void hda_codec_i915_get(struct snd_sof_dev *sdev)
 	dev_dbg(bus->dev, "Turning i915 HDAC power on\n");
 	snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, true);
 }
-EXPORT_SYMBOL(hda_codec_i915_get);
+EXPORT_SYMBOL_NS(hda_codec_i915_get, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
 
 void hda_codec_i915_put(struct snd_sof_dev *sdev)
 {
@@ -181,7 +181,7 @@ void hda_codec_i915_put(struct snd_sof_dev *sdev)
 	dev_dbg(bus->dev, "Turning i915 HDAC power off\n");
 	snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false);
 }
-EXPORT_SYMBOL(hda_codec_i915_put);
+EXPORT_SYMBOL_NS(hda_codec_i915_put, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
 
 int hda_codec_i915_init(struct snd_sof_dev *sdev)
 {
@@ -197,7 +197,7 @@ int hda_codec_i915_init(struct snd_sof_dev *sdev)
 
 	return 0;
 }
-EXPORT_SYMBOL(hda_codec_i915_init);
+EXPORT_SYMBOL_NS(hda_codec_i915_init, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
 
 int hda_codec_i915_exit(struct snd_sof_dev *sdev)
 {
@@ -210,7 +210,7 @@ int hda_codec_i915_exit(struct snd_sof_dev *sdev)
 
 	return ret;
 }
-EXPORT_SYMBOL(hda_codec_i915_exit);
+EXPORT_SYMBOL_NS(hda_codec_i915_exit, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
 
 #endif
 

sound/soc/sof/intel/hda.c

@@ -795,3 +795,5 @@ void hda_machine_select(struct snd_sof_dev *sdev)
 }
 
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
+MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);