From: Martin Koegler <martin.koegler@chello.at>
To: Adam Goode <agoode@google.com>
Cc: alsa-devel@alsa-project.org, patch@alsa-project.org,
martin.koegler@chello.at
Subject: Re: [PATCH - alsa-lib 1/1] Change card/pid get functions to return -ENOSYS if the kernel is too old
Date: Fri, 1 Apr 2016 23:15:58 +0200 [thread overview]
Message-ID: <20160401211558.GA20661@mail.zuhause> (raw)
In-Reply-To: <1459532030-6387-1-git-send-email-agoode@google.com>
On Fri, Apr 01, 2016 at 01:33:50PM -0400, Adam Goode wrote:
> When trying to get the pid or card of a client, the get functions will
> return -1 if there is no pid or card for a client. Clients have zero or
> one of these, so -1 is correct for these cases. But we also need to detect
> the case where the kernel cannot tell us if there is a card or pid, so
> that userspace can fallback to probing this information in the old way.
Its a pity, that alsa-lib 1.1.1 has just been released, which just returns -1.
If the time between releases is really about 2 kernel releases, you will very likely
have to cope with the old API for some time.
Regards,
Martin
next prev parent reply other threads:[~2016-04-01 21:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-01 17:33 [PATCH - alsa-lib 1/1] Change card/pid get functions to return -ENOSYS if the kernel is too old Adam Goode
2016-04-01 17:45 ` Adam Goode
2016-04-01 21:15 ` Martin Koegler [this message]
2016-04-04 14:54 ` Takashi Iwai
2016-04-05 15:21 ` Adam Goode
2016-04-07 19:23 ` Adam Goode
2016-04-07 20:10 ` Martin Koegler
2016-04-07 23:00 ` Takashi Sakamoto
2016-04-08 10:24 ` Takashi Iwai
2016-04-08 12:56 ` Jaroslav Kysela
2016-04-08 13:10 ` Takashi Iwai
2016-04-08 15:21 ` Adam Goode
2016-04-08 17:56 ` Martin Koegler
2016-04-08 19:53 ` Adam Goode
2016-06-06 13:57 ` Adam Goode
2016-06-06 14:01 ` Takashi Iwai
2017-01-03 13:34 ` Adam Goode
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