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author | Jeff Garzik <jgarzik@pobox.com> | 2005-09-08 13:39:55 +0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-08 13:39:55 +0400 |
commit | c324b44c34050cf2a9b58830e11c974806bd85d8 (patch) | |
tree | 3ac45a783221283925cd698334a8f5e7dd4c1df8 /Documentation/sound | |
parent | 2fcf522509cceea524b6e7ece8fd6759b682175a (diff) | |
parent | caf39e87cc1182f7dae84eefc43ca14d54c78ef9 (diff) | |
download | linux-c324b44c34050cf2a9b58830e11c974806bd85d8.tar.xz |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'Documentation/sound')
-rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 1 | ||||
-rw-r--r-- | Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl | 15 |
2 files changed, 12 insertions, 4 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index a18ecb92b356..5c49ba07e709 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -132,6 +132,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. mpu_irq - IRQ # for MPU-401 UART (PnP setup) dma1 - first DMA # for AD1816A chip (PnP setup) dma2 - second DMA # for AD1816A chip (PnP setup) + clockfreq - Clock frequency for AD1816A chip (default = 0, 33000Hz) Module supports up to 8 cards, autoprobe and PnP. diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl index db0b7d2dc477..0475478c2484 100644 --- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl @@ -3422,10 +3422,17 @@ struct _snd_pcm_runtime { <para> The <structfield>iface</structfield> field specifies the type of - the control, - <constant>SNDRV_CTL_ELEM_IFACE_XXX</constant>. There are - <constant>MIXER</constant>, <constant>PCM</constant>, - <constant>CARD</constant>, etc. + the control, <constant>SNDRV_CTL_ELEM_IFACE_XXX</constant>, which + is usually <constant>MIXER</constant>. + Use <constant>CARD</constant> for global controls that are not + logically part of the mixer. + If the control is closely associated with some specific device on + the sound card, use <constant>HWDEP</constant>, + <constant>PCM</constant>, <constant>RAWMIDI</constant>, + <constant>TIMER</constant>, or <constant>SEQUENCER</constant>, and + specify the device number with the + <structfield>device</structfield> and + <structfield>subdevice</structfield> fields. </para> <para> |