ASoC: Intel: sof_sdw_rt_sdca_jack_common: check ctx->headset_codec_dev instead of playback

'if (!playback)' will not work if the dai is only on capture dai link
or is on more than one playback dai links. Check 'if
(ctx->headset_codec_dev)' instead.
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20231204214200.203100-6-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/sof_sdw_rt_sdca_jack_common.c

@@ -192,10 +192,10 @@ int sof_sdw_rt_sdca_jack_init(struct snd_soc_card *card,
 	int ret;
 
 	/*
-	 * headset should be initialized once.
-	 * Do it with dai link for playback.
+	 * Jack detection should be only initialized once for headsets since
+	 * the playback/capture is sharing the same jack
 	 */
-	if (!playback)
+	if (ctx->headset_codec_dev)
 		return 0;
 
 	sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name);