[SRU][OEM-B-OSP1][PATCH 1/4] ALSA: hda: clear output link mappinp
Hui Wang
hui.wang at canonical.com
Mon Sep 30 06:01:00 UTC 2019
From: Rander Wang <rander.wang at 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 at linux.intel.com>
(cherry picked from commit 9e87d43e4da566c810d39c1d3142ebdecd83c7a2
git://github.com/thesofproject/linux.git)
Signed-off-by: Hui Wang <hui.wang at canonical.com>
---
include/sound/hda_register.h | 2 ++
sound/hda/ext/hdac_ext_controller.c | 3 +++
2 files changed, 5 insertions(+)
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
--
2.17.1
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