brain-hackers_pepepper-mirror
/
linux-brain
mirror of https://github.com/brain-hackers/linux-brain.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

LF-2739: mfd: mxc-hdmi-core: Complete cts value for 32kHz 

Complete cts value for 32kHz and different pixel clock,
otherwise there is no sound for 32kHz.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Sandor Yu<Sandor.yu@nxp.com>
This commit is contained in:
Shengjiu Wang 2020-11-13 15:34:49 +08:00
parent bf89c5f6cb
commit 10cdb76c4b
1 changed files with 21 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/mfd/mxc-hdmi-core.c
View File

@ -441,10 +441,29 @@ static unsigned int hdmi_compute_cts(unsigned int freq, unsigned long pixel_clk,
unsigned int cts = 0;
switch (freq) {
case 32000:
if (pixel_clk == 297000000)
switch (pixel_clk) {
case 25200000:
case 27000000:
case 54000000:
case 74250000:
case 148500000:
cts = pixel_clk / 1000;
break;
case 297000000:
cts = 222750;
else if (pixel_clk == 25174000)
break;
case 25174000:
cts = 28125;
break;
/*
* All other TMDS clocks are not supported by
* DWC_hdmi_tx. The TMDS clocks divided or
* multiplied by 1,001 coefficients are not
* supported.
*/
default:
break;
}
break;
case 48000:
case 96000: