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authorLiam Girdwood <liam.girdwood@wolfsonmicro.com>2005-07-29 16:13:36 +0200
committerJaroslav Kysela <perex@suse.cz>2005-08-30 08:43:26 +0200
commit0ca06a00e206b963587ac471e6d1c52bf33b9a18 (patch)
treed7f3ecf33bc0c46368ba5429373d0f00b5da1cf6 /sound/pci/Kconfig
parent67ed4161f60d76b3b27efc085b36357a6a90768c (diff)
downloadlinux-0ca06a00e206b963587ac471e6d1c52bf33b9a18.tar.bz2
[ALSA] AC97 bus interface for ad-hoc drivers
AC97 Codec,PCI drivers I've made the review changes and as requested I've pasted the RFC by Nicolas below:- 'I would like to know what people think of the following patch. It allows for a codec on an AC97 bus to be shared with other drivers which are completely unrelated to audio. It registers a new bus type, and whenever a codec instance is created then a device for it is also registered with the driver model using that bus type. This allows, for example, to use the extra features of the UCB1400 like the touchscreen interface and the additional GPIOs and ADCs available on that chip for battery monitoring. I have a working UCB1400 touchscreen driver here that simply registers with the driver model happily working alongside with audio features using this.' Changes over RFC:- o Now matches codec name within codec group. o Added ac97_dev_release() to stop kernel complaining about no release method for device. o Added 'config SND_AC97_BUS' to sound/pci/Kconfig and moved 'config SND_AC97_CODEC' out with the PCI=n statement. o module is now called snd-ac97-bus Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com> Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/Kconfig')
-rw-r--r--sound/pci/Kconfig10
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index 26b42bb20a0a..1e458919cce6 100644
--- a/sound/pci/Kconfig
+++ b/sound/pci/Kconfig
@@ -1,11 +1,15 @@
# ALSA PCI drivers
-menu "PCI devices"
- depends on SND!=n && PCI
-
config SND_AC97_CODEC
tristate
select SND_PCM
+ select SND_AC97_BUS
+
+config SND_AC97_BUS
+ tristate
+
+menu "PCI devices"
+ depends on SND!=n && PCI
config SND_ALI5451
tristate "ALi M5451 PCI Audio Controller"