ASoC: Intel: bxt_da7219_max98357a: platform name fixup support

Add helper to override dailink platform name, if passed as parameter
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/bxt_da7219_max98357a.c

@@ -23,6 +23,7 @@
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
+#include <sound/soc-acpi.h>
 #include "../../codecs/hdac_hdmi.h"
 #include "../../codecs/da7219.h"
 #include "../../codecs/da7219-aad.h"
@@ -584,6 +585,9 @@ static struct snd_soc_card broxton_audio_card = {
 static int broxton_audio_probe(struct platform_device *pdev)
 {
 	struct bxt_card_private *ctx;
+	struct snd_soc_acpi_mach *mach;
+	const char *platform_name;
+	int ret;
 
 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
@@ -594,6 +598,15 @@ static int broxton_audio_probe(struct platform_device *pdev)
 	broxton_audio_card.dev = &pdev->dev;
 	snd_soc_card_set_drvdata(&broxton_audio_card, ctx);
 
+	/* override plaform name, if required */
+	mach = (&pdev->dev)->platform_data;
+	platform_name = mach->mach_params.platform;
+
+	ret = snd_soc_fixup_dai_links_platform_name(&broxton_audio_card,
+						    platform_name);
+	if (ret)
+		return ret;
+
 	return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card);
 }