linux-kernel - [PATCH V2 3/7] soundwire: amd: add conditional for check for device resume

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Message-ID: <20250120101329.3713017-4-Vijendar.Mukunda@amd.com>
Date: Mon, 20 Jan 2025 15:43:25 +0530
From: Vijendar Mukunda <Vijendar.Mukunda@....com>
To: <vkoul@...nel.org>
CC: <alsa-devel@...a-project.org>, <yung-chuan.liao@...ux.intel.com>,
	<pierre-louis.bossart@...ux.dev>, <sanyog.r.kale@...el.com>,
	<Basavaraj.Hiregoudar@....com>, <Sunil-kumar.Dommati@....com>,
	<venkataprasad.potturu@....com>, <Mario.Limonciello@....com>,
	<linux-sound@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Vijendar
 Mukunda" <Vijendar.Mukunda@....com>
Subject: [PATCH V2 3/7] soundwire: amd: add conditional for check for device resume

Add a conditional check to resume SoundWire manager device, when the
SoundWire manager instance is in the suspended state.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
---
 drivers/soundwire/amd_manager.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index 60be5805715e..6831b3729db5 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -850,7 +850,10 @@ static void amd_sdw_update_slave_status(u32 status_change_0to7, u32 status_chang
 static void amd_sdw_process_wake_event(struct amd_sdw_manager *amd_manager)
 {
 	dev_dbg(amd_manager->dev, "SoundWire Wake event reported\n");
-	pm_request_resume(amd_manager->dev);
+	if (pm_runtime_suspended(amd_manager->dev)) {
+		dev_dbg(amd_manager->dev, "Device is in suspend state\n");
+		pm_request_resume(amd_manager->dev);
+	}
 	writel(0x00, amd_manager->acp_mmio + ACP_SW_WAKE_EN(amd_manager->instance));
 	writel(0x00, amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_8TO11);
 }
-- 
2.34.1