Date: Sun, 15 Jan 2012 08:50:18 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Jan Beich <jbeich@tormail.net> Cc: freebsd-multimedia@FreeBSD.org, FreeBSD current <freebsd-current@freebsd.org> Subject: Re: [RFT] Major snd_hda rewrite Message-ID: <4F12772A.10106@FreeBSD.org> In-Reply-To: <1RmEaz-0008f9-Du@internal.tormail.net> References: <4F0DE3FD.2020203@FreeBSD.org> <1RmEaz-0008f9-Du@internal.tormail.net>
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On 01/15/12 03:06, Jan Beich wrote: > Alexander Motin<mav@FreeBSD.org> writes: > >> I would like request for testing of my work on further HDA sound >> driver improvement. > [...] >> - Codec pins and GPIO signals configuration was exported via set of >> writable sysctls. Another sysctl dev.hdaa.X.reconfig allows to trigger >> driver reconfiguration in run-time. The only requirement is that all >> pcm devices should be closed at the moment, as they will be destroyed >> and recreated. This should significantly simplify process of fixing >> CODEC configuration. It should be possible now even to write GUI to do >> it with few mouse clicks. > > reconfig seems to not honor hw.snd.default_unit sysctl. After > reconfiguration the sysctl was reset to `0' (default). Is this expected? > Even if it is specified as a tunable in loader.conf? Audio drivers know nothing about default_unit. reconfig destroys pcm devices and that probably changes default_unit. -- Alexander Motin
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