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ALSA: add Apple iSight microphone driver

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This adds an experimental driver for the front and rear microphones of
the Apple iSight web camera.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch
2011-05-11 10:44:51 +02:00
committed by Takashi Iwai
parent d7ba858a7f
commit 3a691b28a0
5 changed files with 765 additions and 0 deletions
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5
sound/firewire/iso-resources.c
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@ -36,6 +36,7 @@ int fw_iso_resources_init(struct fw_iso_resources *r, struct fw_unit *unit)
return 0;
}
EXPORT_SYMBOL(fw_iso_resources_init);
/**
* fw_iso_resources_destroy - destroy a resource manager
@ -48,6 +49,7 @@ void fw_iso_resources_destroy(struct fw_iso_resources *r)
mutex_destroy(&r->mutex);
fw_unit_put(r->unit);
}
EXPORT_SYMBOL(fw_iso_resources_destroy);
static unsigned int packet_bandwidth(unsigned int max_payload_bytes, int speed)
{
@ -152,6 +154,7 @@ retry_after_bus_reset:
return channel;
}
EXPORT_SYMBOL(fw_iso_resources_allocate);
/**
* fw_iso_resources_update - update resource allocations after a bus reset
@ -203,6 +206,7 @@ int fw_iso_resources_update(struct fw_iso_resources *r)
return channel;
}
EXPORT_SYMBOL(fw_iso_resources_update);
/**
* fw_iso_resources_free - frees allocated resources
@ -230,3 +234,4 @@ void fw_iso_resources_free(struct fw_iso_resources *r)
mutex_unlock(&r->mutex);
}
EXPORT_SYMBOL(fw_iso_resources_free);