ASoC: SOF: Intel: hda: simplify and reduce indentation for hda_sdw_machine_select()

Simplify code to return when no links are enabled. No functional
change, just code cleanup before updates.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240426153902.39560-4-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/hda.c

@@ -1653,13 +1653,17 @@ static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev
 	hdev = pdata->hw_pdata;
 	link_mask = hdev->info.link_mask;
 
+	if (!link_mask) {
+		dev_info(sdev->dev, "SoundWire links not enabled\n");
+		return NULL;
+	}
+
 	/*
 	 * Select SoundWire machine driver if needed using the
 	 * alternate tables. This case deals with SoundWire-only
 	 * machines, for mixed cases with I2C/I2S the detection relies
 	 * on the HID list.
 	 */
-	if (link_mask) {
 	for (mach = pdata->desc->alt_machines;
 	     mach && mach->link_mask; mach++) {
 		/*
@@ -1737,7 +1741,6 @@ static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev
 	}
 
 	dev_info(sdev->dev, "No SoundWire machine driver found\n");
-	}
 
 	return NULL;
 }