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| author | Takashi Iwai <tiwai@suse.de> | 2015-10-15 21:35:53 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-10-20 10:14:17 +0200 |
| commit | 93ed8560e98afc486df94f5a6238c1f0894b38b8 (patch) | |
| tree | 51959390476a794b34f05642f02a6023754ebefd | |
| parent | 7fbe824a0f0e6a73de5b589a6690294f7cb9dae3 (diff) | |
| download | talos-obmc-linux-93ed8560e98afc486df94f5a6238c1f0894b38b8.tar.gz talos-obmc-linux-93ed8560e98afc486df94f5a6238c1f0894b38b8.zip | |
ALSA: hda - Add api_version to hda_device_id struct
For distinguishing the difference between HDA legacy and ext codec
driver entries, we need to expose the value corresponding to type
field. This patch adds a new field, api_version, to hda_device_id
struct, so that this information is embedded in modalias string.
Although the information is basically redundant (struct hdac_device
already has type field), the helper that extracts from
MODULE_DEVICE_TABLE() won't take it account except for the exported
table entries themselves. So we need to put the same information in
the table, too.
Reviewed-by: Vinod Koul <vinod.koul@intel.com>
Tested-by: Subhransu S Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | include/sound/hdaudio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index 49df61c7afdc..b35bf59a1ecc 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -33,6 +33,7 @@ extern struct bus_type snd_hda_bus_type; struct hda_device_id { __u32 vendor_id; __u32 rev_id; + __u8 api_version; const char *name; unsigned long driver_data; }; |
