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ac97: Add powerdown bit probing

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RichardG867
2023-05-03 21:17:39 -03:00
parent a4773ae731
commit 5eb06939ec
1 changed files with 6 additions and 0 deletions
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6
ac97/ac97.c
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@@ -73,9 +73,15 @@ codec_probe(uint16_t (*codec_read)(uint8_t reg),
if (!silent)
printf(" 3D");
codec_write(0x22, 0xffff);
if (!silent)
printf(" PD");
codec_write(0x26, 0xcf00); /* don't power down internal and external clks, this disables the codec */
if (!silent)
printf(" EAID");
codec_write(0x28, codec_read(0x28) | 0x0030);
if (!silent)
printf(" EACtl");
codec_write(0x2a, codec_read(0x2a) | 0xf800);
if (!silent)
printf(" C/LFE");
codec_write(0x36, 0xbfbf);