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V4L/DVB (3293): Added digital support for cx88 (cx88-alsa)
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- This module is co-authored by  Ricardo Cerqueira <v4l@cerqueira.org>.

- Added digital audio support for cx88-based boards that have function
  01 enabled. These boards can be identified by having PCI id 1471:8801
  or 1471:8811.

- Increased DMA buffer from 512 to 4096 seems to fix audio distortion.

- Existing audio DMA uses conflict with cx88-alsa. Should be disabled when
  cx88-alsa module is compiled.

Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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Mauro Carvalho Chehab committed Jan 9, 2006
1 parent 0de7122 commit b7f355d
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15 changes: 15 additions & 0 deletions drivers/media/video/cx88/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,21 @@ config VIDEO_CX88_DVB
You must also select one or more DVB/ATSC demodulators.
If you are unsure which you need, choose all of them.

config VIDEO_CX88_ALSA
tristate "ALSA DMA audio support"
depends on VIDEO_CX88 && SND
select SND_PCM_OSS
---help---
This is a video4linux driver for direct (DMA) audio on
Conexant 2388x based TV cards.
It only works with boards with function 01 enabled.
To check if your board supports, use lspci -n.
If supported, you should see 1471:8801 or 1471:8811
PCI device.

To compile this driver as a module, choose M here: the
module will be called cx88-alsa.

config VIDEO_CX88_DVB_ALL_FRONTENDS
bool "Build all supported frontends for cx2388x based TV cards"
default y
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