audio: pull down audio I2S pins [1/1]

PD#TV-2362

Problem:
A DC voltage is always there about 300ms.
And coupled with LRCLK and SCLK which
may cause a toggle an DAC side.

Solution:
Pull down the data pin to clear
the DC level.

Verify:
Local verified.

Change-Id: Ib7aff22c44dcec2f653b7ed29495e5e52c16e038
Signed-off-by: Shuai Li <shuai.li@amlogic.com>

diff --git a/arch/arm/boot/dts/amlogic/tl1_t962x2_skt.dts b/arch/arm/boot/dts/amlogic/tl1_t962x2_skt.dts
index 1bd3074..4921204 100644 (file)
--- a/arch/arm/boot/dts/amlogic/tl1_t962x2_skt.dts
+++ b/arch/arm/boot/dts/amlogic/tl1_t962x2_skt.dts
@@ -1496,7 +1496,7 @@
                                "tdma_dout2_z",
                                "tdma_dout3_z";
                        function = "tdma_out";
-                       bias-disable;
+                       bias-pull-down;
                };
        };
 

diff --git a/arch/arm/boot/dts/amlogic/tl1_t962x2_t309.dts b/arch/arm/boot/dts/amlogic/tl1_t962x2_t309.dts
index aaa99b4..5e6b26d 100644 (file)
--- a/arch/arm/boot/dts/amlogic/tl1_t962x2_t309.dts
+++ b/arch/arm/boot/dts/amlogic/tl1_t962x2_t309.dts
@@ -1497,7 +1497,7 @@
                                "tdma_fs_z",
                                "tdma_dout0_z";
                        function = "tdma_out";
-                       bias-disable;
+                       bias-pull-down;
                };
        };
 

diff --git a/arch/arm/boot/dts/amlogic/tl1_t962x2_x301.dts b/arch/arm/boot/dts/amlogic/tl1_t962x2_x301.dts
index 87511db..91ef181 100644 (file)
--- a/arch/arm/boot/dts/amlogic/tl1_t962x2_x301.dts
+++ b/arch/arm/boot/dts/amlogic/tl1_t962x2_x301.dts
@@ -1592,7 +1592,7 @@
                                "tdma_fs_z",
                                "tdma_dout0_z";
                        function = "tdma_out";
-                       bias-disable;
+                       bias-pull-down;
                };
        };
 

diff --git a/arch/arm64/boot/dts/amlogic/tl1_t962x2_t309.dts b/arch/arm64/boot/dts/amlogic/tl1_t962x2_t309.dts
index c06f3a3..1a7e65b 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/tl1_t962x2_t309.dts
+++ b/arch/arm64/boot/dts/amlogic/tl1_t962x2_t309.dts
@@ -1494,7 +1494,7 @@
                                "tdma_fs_z",
                                "tdma_dout0_z";
                        function = "tdma_out";
-                       bias-disable;
+                       bias-pull-down;
                };
        };
 

diff --git a/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301.dts b/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301.dts
index 6649d77..71b3875 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301.dts
+++ b/arch/arm64/boot/dts/amlogic/tl1_t962x2_x301.dts
@@ -1551,7 +1551,7 @@
                                "tdma_fs_z",
                                "tdma_dout0_z";
                        function = "tdma_out";
-                       bias-disable;
+                       bias-pull-down;
                };
        };