linux-kernel - [PATCH AUTOSEL 6.4 30/54] ASoC: rt712-sdca: fix for JD event handling in ClockStop Mode0

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Message-Id: <20230813154934.1067569-30-sashal@kernel.org>
Date:   Sun, 13 Aug 2023 11:49:09 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Shuming Fan <shumingf@...ltek.com>,
        Vijendar Mukunda <Vijendar.Mukunda@....com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>, oder_chiou@...ltek.com,
        lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.com,
        alsa-devel@...a-project.org
Subject: [PATCH AUTOSEL 6.4 30/54] ASoC: rt712-sdca: fix for JD event handling in ClockStop Mode0

From: Shuming Fan <shumingf@...ltek.com>

[ Upstream commit 7a8735c1551e489351172d0da96128f6f8b52b2d ]

When the system suspends, peripheral SDCA interrupts are disabled.
When system level resume is invoked, the peripheral SDCA interrupts
should be enabled to handle JD events.
Enable SDCA interrupts in resume sequence when ClockStop Mode0 is applied.

Signed-off-by: Shuming Fan <shumingf@...ltek.com>
Reported-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
Link: https://lore.kernel.org/r/20230721090721.128264-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/rt712-sdca-sdw.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rt712-sdca-sdw.c b/sound/soc/codecs/rt712-sdca-sdw.c
index 3f319459dfec3..1c9e10fea3ddd 100644
--- a/sound/soc/codecs/rt712-sdca-sdw.c
+++ b/sound/soc/codecs/rt712-sdca-sdw.c
@@ -441,8 +441,16 @@ static int __maybe_unused rt712_sdca_dev_resume(struct device *dev)
 	if (!rt712->first_hw_init)
 		return 0;
 
-	if (!slave->unattach_request)
+	if (!slave->unattach_request) {
+		if (rt712->disable_irq == true) {
+			mutex_lock(&rt712->disable_irq_lock);
+			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0);
+			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);
+			rt712->disable_irq = false;
+			mutex_unlock(&rt712->disable_irq_lock);
+		}
 		goto regmap_sync;
+	}
 
 	time = wait_for_completion_timeout(&slave->initialization_complete,
 				msecs_to_jiffies(RT712_PROBE_TIMEOUT));
-- 
2.40.1