From: Brad Midgley <bmidgley@xmission.com>
To: bluez-devel@lists.sourceforge.net
Subject: Re: [Bluez-devel] btsco and alsa driver interaction
Date: Tue, 08 Mar 2005 19:04:25 -0700 [thread overview]
Message-ID: <422E59A9.2040408@xmission.com> (raw)
In-Reply-To: <d0ktcr$n2i$1@sea.gmane.org>
Luis
It's good to see your interest... I think you have the right ideas on
how things work.
> I also imagine that when we poll data from the hwdep interface, we are
> not polling SCO data type (which I assume it is being drived
> automatically); instead, we are polling for volume-control data type
> which is enigmatically (for me) generated at the core of the driver. Is
> it right?
if the volume change is initiated through a generic mixer, then yes.
Think of a mixer application running on your computer. Run any
alsa-aware mixer and it will let you choose the alsa mixer device to be
the headset.
> The question is, 'when does the following condition evaluate TRUE ?
>
> if (!snd_hwdep_poll_descriptors_revents(handle, &pfds[nfds - 1], 1,
> revents) && revents & POLLIN) {
It evaluates true when there are volume-change events to be examined
that were initiated through a soft mixer.
Brad
-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
_______________________________________________
Bluez-devel mailing list
Bluez-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bluez-devel
next prev parent reply other threads:[~2005-03-09 2:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-08 19:11 [Bluez-devel] btsco and alsa driver interaction soraberri
2005-03-09 2:04 ` Brad Midgley [this message]
2005-03-09 9:17 ` [Bluez-devel] " soraberri
2005-03-10 8:26 ` suche.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=422E59A9.2040408@xmission.com \
--to=bmidgley@xmission.com \
--cc=bluez-devel@lists.sourceforge.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox