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ALSA: hda - Add probe_only option

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Added probe_only module option to hd-audio driver.
This option specifies whether the driver creates and initializes the
codec-parser after probing.  When this option is set, the driver skips
the codec parsing and initialization but gives you proc and other
accesses.  It's useful to see the initial codec state for debugging.

The default of this value is off, so the default behavior is as same
as before.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2008-12-19 15:19:11 +01:00
parent 03c6901ea2
commit d4d9cd0338
4 changed files with 18 additions and 9 deletions
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2
sound/pci/hda/hda_codec.h
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@@ -811,7 +811,7 @@ enum {
int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp,
struct hda_bus **busp);
int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
struct hda_codec **codecp);
int do_init, struct hda_codec **codecp);
/*
* low level functions