swr-haptics: request and release swr device wakeup votes properly

Request and release swr device wakeup votes in PRE/POST PMU and
PRE/POST PMD events to allow system enter low power states.

Change-Id: I8acd648bcc8e11cadda7254d7e5369155d9597c9
Signed-off-by: Phani Kumar Uppalapati <[email protected]>
Signed-off-by: Prasad Kumpatla <[email protected]>

asoc/codecs/swr-haptics.c

@@ -313,6 +313,7 @@ static int hap_enable_swr_dac_port(struct snd_soc_dapm_widget *w,
 		if (rc < 0) {
 			dev_err_ratelimited(swr_hap->dev, "%s: Enable hpwr_vreg failed, rc=%d\n",
 					__func__, rc);
+			swr_device_wakeup_unvote(swr_hap->swr_slave);
 			return rc;
 		}
 
@@ -327,16 +328,20 @@ static int hap_enable_swr_dac_port(struct snd_soc_dapm_widget *w,
 			swr_slvdev_datapath_control(swr_hap->swr_slave,
 					swr_hap->swr_slave->dev_num, false);
 			swr_hap_disable_hpwr_vreg(swr_hap);
+			swr_device_wakeup_unvote(swr_hap->swr_slave);
 			return rc;
 		}
+		swr_device_wakeup_unvote(swr_hap->swr_slave);
 		break;
 	case SND_SOC_DAPM_PRE_PMD:
+		swr_device_wakeup_vote(swr_hap->swr_slave);
 		/* stop SWR play */
 		val = SWR_PLAY_SRC_VAL_SWR;
 		rc = regmap_write(swr_hap->regmap, SWR_PLAY_REG, val);
 		if (rc) {
 			dev_err_ratelimited(swr_hap->dev, "%s: Enable SWR_PLAY failed, rc=%d\n",
 					__func__, rc);
+			swr_device_wakeup_unvote(swr_hap->swr_slave);
 			return rc;
 		}
 
@@ -344,6 +349,7 @@ static int hap_enable_swr_dac_port(struct snd_soc_dapm_widget *w,
 		if (rc < 0) {
 			dev_err_ratelimited(swr_hap->dev, "%s: Disable hpwr_vreg failed, rc=%d\n",
 					__func__, rc);
+			swr_device_wakeup_unvote(swr_hap->swr_slave);
 			return rc;
 		}
 		break;