f3d8aec90d
especially for CT4730 / EV1938 chip, causing misconfigured mixer (David Xu), crippled after power cycle (Kevin Oberman). Fixed. * Incorporate locking/spdif patches from Jon Noack / matk. Not all es137x can really do spdif, clean it up a bit to only let few capable chip. This adds a "hw.snd.pcm<unit>.spdif_enabled" sysctl until a more generic way of handling this from userland (by an ordinary user) is designed/implemented. * Convert all bus_space_(read|write) to use es_rd/es_wr, simmilar with other drivers. * Add tunable hw.snd.pcm<unit>.latency_timer sysctl to toggle pci latency timer value on the fly. Much noise / pop / crackling issues can be solved by increasing its value. Other people have pointed out to use pciconf instead, but this is just an added value specific for CT4730/EV1938. * Remove es137x specific debug sysctl/code. Several PRs can now be closed. Submitted by: Ariff Abdullah <skywizard@MyBSD.org.my> Submitted by: Jon Noack <noackjr@alumni.rice.edu> (implicit) Submitted by: matk (implicit) PR: 59349, 68594, 73498 Tested by: multimedia@
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