ASoC: SOF: Intel: HDA: use macro for register polling retry count

Define macro and use it for the register polling retry count.
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191025224122.7718-12-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

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

@@ -323,12 +323,11 @@ int hda_dsp_set_power_state(struct snd_sof_dev *sdev,
 			    enum sof_d0_substate d0_substate)
 {
 	struct hdac_bus *bus = sof_to_bus(sdev);
-	int retry = 50;
 	int ret;
 	u8 value;
 
 	/* Write to D0I3C after Command-In-Progress bit is cleared */
-	ret = hda_dsp_wait_d0i3c_done(sdev, retry);
+	ret = hda_dsp_wait_d0i3c_done(sdev, HDA_DSP_REG_POLL_RETRY_COUNT);
 	if (ret < 0) {
 		dev_err(bus->dev, "CIP timeout before D0I3C update!\n");
 		return ret;
@@ -339,8 +338,7 @@ int hda_dsp_set_power_state(struct snd_sof_dev *sdev,
 	snd_hdac_chip_updateb(bus, VS_D0I3C, SOF_HDA_VS_D0I3C_I3, value);
 
 	/* Wait for cmd in progress to be cleared before exiting the function */
-	retry = 50;
-	ret = hda_dsp_wait_d0i3c_done(sdev, retry);
+	ret = hda_dsp_wait_d0i3c_done(sdev, HDA_DSP_REG_POLL_RETRY_COUNT);
 	if (ret < 0) {
 		dev_err(bus->dev, "CIP timeout after D0I3C update!\n");
 		return ret;

sound/soc/sof/intel/hda.h

@@ -214,6 +214,7 @@
 #define HDA_DSP_CTRL_RESET_TIMEOUT		100
 #define HDA_DSP_WAIT_TIMEOUT		500	/* 500 msec */
 #define HDA_DSP_REG_POLL_INTERVAL_US		500	/* 0.5 msec */
+#define HDA_DSP_REG_POLL_RETRY_COUNT		50
 
 #define HDA_DSP_ADSPIC_IPC			1
 #define HDA_DSP_ADSPIS_IPC			1