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>
This commit is contained in:
Shuai Li
2019-03-15 16:20:26 +08:00
committed by Jianxin Pan
parent 849e419957
commit f87a281f68
5 changed files with 5 additions and 5 deletions

View File

@@ -1496,7 +1496,7 @@
"tdma_dout2_z",
"tdma_dout3_z";
function = "tdma_out";
bias-disable;
bias-pull-down;
};
};

View File

@@ -1497,7 +1497,7 @@
"tdma_fs_z",
"tdma_dout0_z";
function = "tdma_out";
bias-disable;
bias-pull-down;
};
};

View File

@@ -1592,7 +1592,7 @@
"tdma_fs_z",
"tdma_dout0_z";
function = "tdma_out";
bias-disable;
bias-pull-down;
};
};

View File

@@ -1494,7 +1494,7 @@
"tdma_fs_z",
"tdma_dout0_z";
function = "tdma_out";
bias-disable;
bias-pull-down;
};
};

View File

@@ -1551,7 +1551,7 @@
"tdma_fs_z",
"tdma_dout0_z";
function = "tdma_out";
bias-disable;
bias-pull-down;
};
};