<blockquote style="border-left: 1px solid #aaa; margin: 10px 0; padding: 0 10px;"><p style="white-space: pre-wrap; word-wrap: break-word;">Is this just setting subsystem ids of a PCI device? These should be<br>set in the devicetree and no blob needed.</p><p style="white-space: pre-wrap; word-wrap: break-word;">If yes, this seems backwards. Shouldn't we set the id of the PCI<br>device first and when configuring the codec take the id of the PCI<br>device?</p></blockquote><p style="white-space: pre-wrap; word-wrap: break-word;">From https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/sound/pci/hda/patch_realtek.c?h=v4.20-rc4, line 651, we can see kernel driver is comparing the ssid with pci and verb.</p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">  ass = codec->core.subsystem_id & 0xffff;<br>       if (codec->bus->pci &&<br>      ass != codec->bus->pci->subsystem_device && (ass & 1))<br>               goto do_sku;</pre><p style="white-space: pre-wrap; word-wrap: break-word;">I believe the ssid of detail codec is fixed, then we have to modify BUS ssid to match with it. I have similar concern earlier in 29490.</p><p><a href="https://review.coreboot.org/c/coreboot/+/29651">View Change</a></p><ul style="list-style: none; padding: 0;"></ul><p>To view, visit <a href="https://review.coreboot.org/c/coreboot/+/29651">change 29651</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://review.coreboot.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://review.coreboot.org/c/coreboot/+/29651"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: coreboot </div>
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