linux-kernel - [PATCH 3/8] ASoC: Intel: Skylake: Enable codec wakeup during chip init

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Message-Id: <20201129114148.13772-4-cezary.rojewski@intel.com>
Date:   Sun, 29 Nov 2020 12:41:43 +0100
From:   Cezary Rojewski <cezary.rojewski@...el.com>
To:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     alsa-devel@...a-project.org, broonie@...nel.org, tiwai@...e.com,
        pierre-louis.bossart@...ux.intel.com,
        mateusz.gorski@...ux.intel.com,
        Cezary Rojewski <cezary.rojewski@...el.com>
Subject: [PATCH 3/8] ASoC: Intel: Skylake: Enable codec wakeup during chip init

commit e603f11d5df8997d104ab405ff27640b90baffaa upstream.

Follow the recommendation set by hda_intel.c and enable HDMI/DP codec
wakeup during bus initialization procedure. Disable wakeup once init
completes.

Signed-off-by: Cezary Rojewski <cezary.rojewski@...el.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Link: https://lore.kernel.org/r/20200305145314.32579-4-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Cc: <stable@...r.kernel.org> # 5.4.x
---
 sound/soc/intel/skylake/skl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index f46b90ccb46f..1a3a3d6a3141 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -129,6 +129,7 @@ static int skl_init_chip(struct hdac_bus *bus, bool full_reset)
 	struct hdac_ext_link *hlink;
 	int ret;
 
+	snd_hdac_set_codec_wakeup(bus, true);
 	skl_enable_miscbdcge(bus->dev, false);
 	ret = snd_hdac_bus_init_chip(bus, full_reset);
 
@@ -137,6 +138,7 @@ static int skl_init_chip(struct hdac_bus *bus, bool full_reset)
 		writel(0, hlink->ml_addr + AZX_REG_ML_LOSIDV);
 
 	skl_enable_miscbdcge(bus->dev, true);
+	snd_hdac_set_codec_wakeup(bus, false);
 
 	return ret;
 }
-- 
2.17.1