ref: e54285994279ec9d144f5477db1db24a6acbea53
parent: f351c9fc472c247d1f46c27bd76ac6a8deccfd59
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Wed Aug 17 23:46:22 EDT 2022
imx8/sai: double the delay; set clock explicitly
--- a/sys/src/9/imx8/sai.c
+++ b/sys/src/9/imx8/sai.c
@@ -365,7 +365,7 @@
ctlr->reg = (u32int*)(VIRTIO + 0x8b0000);
ctlr->adev = adev;
- adev->delay = 1024;
+ adev->delay = 2048;
adev->ctlr = ctlr;
adev->write = saiwrite;
adev->close = saiclose;
@@ -383,7 +383,6 @@
void
sailink(void)
{
-
iomuxpad("pad_sai2_rxfs", "sai2_rx_sync", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
iomuxpad("pad_sai2_rxc", "sai2_rx_bclk", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
iomuxpad("pad_sai2_rxd0", "sai2_rx_data0", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
@@ -392,6 +391,8 @@
iomuxpad("pad_sai2_txd0", "sai2_tx_data0", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
iomuxpad("pad_sai2_mclk", "sai2_mclk", "SION ~LVTTL HYS PUE ~ODE FAST 45_OHM VSEL_0");
+ setclkgate("sai2.ipg_clk", 0);
+ setclkrate("sai2.ipg_clk", "audio_pll1_clk", 25*Mhz);
setclkgate("sai2.ipg_clk", 1);
addaudiocard("sai", saiprobe);