diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-08-30 07:47:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-08-30 07:47:01 -0700 |
| commit | 444bd6fc18e4788f701a119cdfefe4f02444d9cb (patch) | |
| tree | 605ad11a825acf4bae9d98973becb3977ac2bae5 /Documentation | |
| parent | 3cb904caa97f5c193df21b8cdf780a826564baff (diff) | |
| parent | c88469704d63787e8d44ca5ea1c1bd0adc29572d (diff) | |
Merge HEAD from master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
Diffstat (limited to 'Documentation')
| -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 a18ecb92b35..5c49ba07e70 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 db0b7d2dc47..0475478c248 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> |