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[SRU,OEM-B-OSP1,1/4] ALSA: hda: clear output link mappinp

Message ID 20190930060103.7125-2-hui.wang@canonical.com
State New
Headers show
Series alsa/sof: fix the hang issue on Dell Nebula MP platforms | expand

Commit Message

Hui Wang Sept. 30, 2019, 6:01 a.m. UTC 
From: Rander Wang <rander.wang@linux.intel.com>

BugLink: https://bugs.launchpad.net/bugs/1845904

All streams are valid with default status. Clear it
to invalidate them when powered up

Signed-off-by: Rander Wang <rander.wang@linux.intel.com>
(cherry picked from commit 9e87d43e4da566c810d39c1d3142ebdecd83c7a2
git://github.com/thesofproject/linux.git)
Signed-off-by: Hui Wang <hui.wang@canonical.com>
---
 include/sound/hda_register.h        | 2 ++
 sound/hda/ext/hdac_ext_controller.c | 3 +++
 2 files changed, 5 insertions(+)
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Patch

diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h
index 0fd39295b426..dae21fbbe8e6 100644
--- a/include/sound/hda_register.h
+++ b/include/sound/hda_register.h
@@ -264,6 +264,8 @@  enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 #define AZX_REG_ML_LOUTPAY		0x20
 #define AZX_REG_ML_LINPAY		0x30
 
+#define ML_LOSIDV_STREAM_MASK		0xFFFE
+
 #define ML_LCTL_SCF_MASK			0xF
 #define AZX_MLCTL_SPA				(0x1 << 16)
 #define AZX_MLCTL_CPA				(0x1 << 23)
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c
index 60cb00fd0c69..a794c319add5 100644
--- a/sound/hda/ext/hdac_ext_controller.c
+++ b/sound/hda/ext/hdac_ext_controller.c
@@ -278,6 +278,9 @@  int snd_hdac_ext_bus_link_get(struct hdac_bus *bus,
 
 		ret = snd_hdac_ext_bus_link_power_up(link);
 
+		snd_hdac_updatew(link->ml_addr, AZX_REG_ML_LOSIDV,
+				 ML_LOSIDV_STREAM_MASK, 0);
+
 		/*
 		 *  wait for 521usec for codec to report status
 		 *  HDA spec section 4.3 - Codec Discovery