[PATCH 5/7] ASoC: codecs: realtek-soundwire: ignore initial PARITY errors

From: Bard Liao
Date: Tue Aug 18 2020 - 22:01:14 EST


From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

The parity calculation is not reset on a Severe Reset, which leads to
misleading/harmless errors reported on startup. The addition of a
quirk helps filter out such errors while leaving the error checks on
in steady-state.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
sound/soc/codecs/rt1308-sdw.c | 1 +
sound/soc/codecs/rt5682-sdw.c | 1 +
sound/soc/codecs/rt700-sdw.c | 1 +
sound/soc/codecs/rt711-sdw.c | 1 +
sound/soc/codecs/rt715-sdw.c | 1 +
5 files changed, 5 insertions(+)

diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c
index 5cf10fd447eb..81e3e2caeb2f 100644
--- a/sound/soc/codecs/rt1308-sdw.c
+++ b/sound/soc/codecs/rt1308-sdw.c
@@ -124,6 +124,7 @@ static int rt1308_read_prop(struct sdw_slave *slave)
struct sdw_dpn_prop *dpn;

prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
+ prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;

prop->paging_support = true;

diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
index 544073975020..148d4cff267b 100644
--- a/sound/soc/codecs/rt5682-sdw.c
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -545,6 +545,7 @@ static int rt5682_read_prop(struct sdw_slave *slave)

prop->scp_int1_mask = SDW_SCP_INT1_IMPL_DEF | SDW_SCP_INT1_BUS_CLASH |
SDW_SCP_INT1_PARITY;
+ prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;

prop->paging_support = false;

diff --git a/sound/soc/codecs/rt700-sdw.c b/sound/soc/codecs/rt700-sdw.c
index a46b957a3f1b..2d475405b20d 100644
--- a/sound/soc/codecs/rt700-sdw.c
+++ b/sound/soc/codecs/rt700-sdw.c
@@ -341,6 +341,7 @@ static int rt700_read_prop(struct sdw_slave *slave)

prop->scp_int1_mask = SDW_SCP_INT1_IMPL_DEF | SDW_SCP_INT1_BUS_CLASH |
SDW_SCP_INT1_PARITY;
+ prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;

prop->paging_support = false;

diff --git a/sound/soc/codecs/rt711-sdw.c b/sound/soc/codecs/rt711-sdw.c
index a877e366fec5..7a1ae7442e75 100644
--- a/sound/soc/codecs/rt711-sdw.c
+++ b/sound/soc/codecs/rt711-sdw.c
@@ -345,6 +345,7 @@ static int rt711_read_prop(struct sdw_slave *slave)

prop->scp_int1_mask = SDW_SCP_INT1_IMPL_DEF | SDW_SCP_INT1_BUS_CLASH |
SDW_SCP_INT1_PARITY;
+ prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;

prop->paging_support = false;

diff --git a/sound/soc/codecs/rt715-sdw.c b/sound/soc/codecs/rt715-sdw.c
index 0eb8943ed6ff..761d4663e813 100644
--- a/sound/soc/codecs/rt715-sdw.c
+++ b/sound/soc/codecs/rt715-sdw.c
@@ -439,6 +439,7 @@ static int rt715_read_prop(struct sdw_slave *slave)

prop->scp_int1_mask = SDW_SCP_INT1_IMPL_DEF | SDW_SCP_INT1_BUS_CLASH |
SDW_SCP_INT1_PARITY;
+ prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;

prop->paging_support = false;

--
2.17.1