23 lines
1 KiB
Diff
23 lines
1 KiB
Diff
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--- a/patch_cirrus_apple.h
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+++ b/patch_cirrus_apple.h
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@@ -1257,6 +1257,19 @@
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}
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else if (stream == SNDRV_PCM_STREAM_CAPTURE)
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{
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+ // iMac19,2 mic fix: HDA auto-config sometimes lands this
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+ // capture PCM stream's nid on neither the internal-mic ADC
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+ // nor the headset-mic node (e.g. it lands on an unwired
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+ // Line-In node such as 0x12), orphaning the real internal
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+ // mic entirely -- its mixer/gain controls stay present and
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+ // adjustable, but nothing is ever routed through them.
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+ // Force it back onto the internal-mic ADC in that case.
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+ // See egorenar/snd-hda-codec-cs8409#5 (comment 2026-08-19).
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+ if (hinfo->nid != spec->intmike_adc_nid && hinfo->nid != 0x1a)
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+ {
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+ mycodec_dbg(codec, "cs_8409_apple_boot_init capture stream nid 0x%02x is not intmike (0x%02x) or headset (0x1a), forcing to intmike\n", hinfo->nid, spec->intmike_adc_nid);
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+ hinfo->nid = spec->intmike_adc_nid;
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+ }
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//if (hinfo->nid == 0x22)
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if (hinfo->nid == spec->intmike_adc_nid)
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{
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