[PATCH 12/21] ASoC: SOF: Intel: hda-codec: add hda_codec_check_rirb_status() helper

[Pierre-Louis Bossart]

move existing functionality to new helper.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
Reviewed-by: Rander Wang <rander.wang at intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao at linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi at linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
---
 sound/soc/sof/intel/hda-codec.c  | 23 +++++++++++++++++++++++
 sound/soc/sof/intel/hda-stream.c | 19 +------------------
 sound/soc/sof/intel/hda.h        |  2 ++
 3 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c
index bbdd4ba0f1ba..4abce4ebec5a 100644
--- a/sound/soc/sof/intel/hda-codec.c
+++ b/sound/soc/sof/intel/hda-codec.c
@@ -289,6 +289,29 @@ void hda_codec_set_codec_wakeup(struct snd_sof_dev *sdev, bool status)
 }
 EXPORT_SYMBOL_NS_GPL(hda_codec_set_codec_wakeup, SND_SOC_SOF_HDA_AUDIO_CODEC);
 
+bool hda_codec_check_rirb_status(struct snd_sof_dev *sdev)
+{
+	struct hdac_bus *bus = sof_to_bus(sdev);
+	bool active = false;
+	u32 rirb_status;
+
+	rirb_status = snd_hdac_chip_readb(bus, RIRBSTS);
+	if (rirb_status & RIRB_INT_MASK) {
+		/*
+		 * Clearing the interrupt status here ensures
+		 * that no interrupt gets masked after the RIRB
+		 * wp is read in snd_hdac_bus_update_rirb.
+		 */
+		snd_hdac_chip_writeb(bus, RIRBSTS,
+				     RIRB_INT_MASK);
+		active = true;
+		if (rirb_status & RIRB_INT_RESPONSE)
+			snd_hdac_bus_update_rirb(bus);
+	}
+	return active;
+}
+EXPORT_SYMBOL_NS_GPL(hda_codec_check_rirb_status, SND_SOC_SOF_HDA_AUDIO_CODEC);
+
 void hda_codec_device_remove(struct snd_sof_dev *sdev)
 {
 	struct hdac_bus *bus = sof_to_bus(sdev);
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index 59a3c0c9c21f..8e3f05857632 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -765,9 +765,6 @@ irqreturn_t hda_dsp_stream_threaded_handler(int irq, void *context)
 {
 	struct snd_sof_dev *sdev = context;
 	struct hdac_bus *bus = sof_to_bus(sdev);
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
-	u32 rirb_status;
-#endif
 	bool active;
 	u32 status;
 	int i;
@@ -785,23 +782,9 @@ irqreturn_t hda_dsp_stream_threaded_handler(int irq, void *context)
 		active = hda_dsp_stream_check(bus, status);
 
 		/* check and clear RIRB interrupt */
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
 		if (status & AZX_INT_CTRL_EN) {
-			rirb_status = snd_hdac_chip_readb(bus, RIRBSTS);
-			if (rirb_status & RIRB_INT_MASK) {
-				/*
-				 * Clearing the interrupt status here ensures
-				 * that no interrupt gets masked after the RIRB
-				 * wp is read in snd_hdac_bus_update_rirb.
-				 */
-				snd_hdac_chip_writeb(bus, RIRBSTS,
-						     RIRB_INT_MASK);
-				active = true;
-				if (rirb_status & RIRB_INT_RESPONSE)
-					snd_hdac_bus_update_rirb(bus);
-			}
+			active |= hda_codec_check_rirb_status(sdev);
 		}
-#endif
 		spin_unlock_irq(&bus->reg_lock);
 	}
 
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 8fefff6fcce6..3b3e05e71663 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -722,6 +722,7 @@ void hda_codec_init_cmd_io(struct snd_sof_dev *sdev);
 void hda_codec_stop_cmd_io(struct snd_sof_dev *sdev);
 void hda_codec_detect_mask(struct snd_sof_dev *sdev);
 void hda_codec_rirb_status_clear(struct snd_sof_dev *sdev);
+bool hda_codec_check_rirb_status(struct snd_sof_dev *sdev);
 void hda_codec_set_codec_wakeup(struct snd_sof_dev *sdev, bool status);
 void hda_codec_device_remove(struct snd_sof_dev *sdev);
 
@@ -735,6 +736,7 @@ static inline void hda_codec_init_cmd_io(struct snd_sof_dev *sdev) { }
 static inline void hda_codec_stop_cmd_io(struct snd_sof_dev *sdev) { }
 static inline void hda_codec_detect_mask(struct snd_sof_dev *sdev) { }
 static inline void hda_codec_rirb_status_clear(struct snd_sof_dev *sdev) { }
+static inline bool hda_codec_check_rirb_status(struct snd_sof_dev *sdev) { return false; }
 static inline void hda_codec_set_codec_wakeup(struct snd_sof_dev *sdev, bool status) { }
 static inline void hda_codec_device_remove(struct snd_sof_dev *sdev) { }
 
-- 
2.34.1