[alsa-devel] Incorrect name of PCM
Takashi Iwai
tiwai at suse.de
Mon Jul 23 19:40:36 CEST 2018
On Mon, 23 Jul 2018 18:21:59 +0200,
Christopher Head wrote:
>
> On July 23, 2018 9:15:59 AM PDT, Takashi Iwai <tiwai at suse.de> wrote:
> >Just ignore this entry. alsa-lib tries to parse the all possible
> >outputs that are provided from the kernel interface. Due to
> >historical reasons, this digital output might be either SPDIF or HDMI,
> >and alsa-lib has no knowledge to distinguish easily, hence both spdif
> >and hdmi device names are provided equally for such a case.
>
> Not here, they aren’t. There is no PCM named “spdif” at all: it isn’t in the list, and if I type it, I can’t play to it for a reason that looks a lot like it doesn’t exist.
OK, then another possibility is a BIOS bug. BIOS declares the pin as
HDMI incorrectly although it's a SPDIF.
Takashi
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