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| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2015-06-14 12:49:33 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-06-15 13:37:26 +0200 |
| commit | 7b4d7dcfa89e75f69547fbacfbf09a1d6c242a6b (patch) | |
| tree | 8a06a1ccbf539447fee4245ca1abbaa2459d3f15 /sound/firewire | |
| parent | 05773792716e5a75b0f4bf4edcdc1e9c3b199ab8 (diff) | |
| download | linux-7b4d7dcfa89e75f69547fbacfbf09a1d6c242a6b.tar.bz2 | |
ALSA: bebob: add 'version' member for BeBoB protocol version
BeBoB installed devices have BeBoB register area. This area stores
basic information about its firmware. A register has its protocol
version.
This commit adds 'version' member and store the device's protocol
version to handle v3 quirks in following commits.
Tested-by: Kim Tore Jensen <kim@incendio.no>
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire')
| -rw-r--r-- | sound/firewire/bebob/bebob.c | 8 | ||||
| -rw-r--r-- | sound/firewire/bebob/bebob.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c index e71bd353f4e7..920571bc3c60 100644 --- a/sound/firewire/bebob/bebob.c +++ b/sound/firewire/bebob/bebob.c @@ -33,6 +33,7 @@ static DEFINE_MUTEX(devices_mutex); static DECLARE_BITMAP(devices_used, SNDRV_CARDS); /* Offsets from information register. */ +#define INFO_OFFSET_BEBOB_VERSION 0x08 #define INFO_OFFSET_GUID 0x10 #define INFO_OFFSET_HW_MODEL_ID 0x18 #define INFO_OFFSET_HW_MODEL_REVISION 0x1c @@ -73,6 +74,7 @@ name_device(struct snd_bebob *bebob, unsigned int vendor_id) u32 hw_id; u32 data[2] = {0}; u32 revision; + u32 version; int err; /* get vendor name from root directory */ @@ -105,6 +107,12 @@ name_device(struct snd_bebob *bebob, unsigned int vendor_id) if (err < 0) goto end; + err = snd_bebob_read_quad(bebob->unit, INFO_OFFSET_BEBOB_VERSION, + &version); + if (err < 0) + goto end; + bebob->version = version; + strcpy(bebob->card->driver, "BeBoB"); strcpy(bebob->card->shortname, model); strcpy(bebob->card->mixername, model); diff --git a/sound/firewire/bebob/bebob.h b/sound/firewire/bebob/bebob.h index 11362b30ee5b..1520854b76d7 100644 --- a/sound/firewire/bebob/bebob.h +++ b/sound/firewire/bebob/bebob.h @@ -115,6 +115,9 @@ struct snd_bebob { /* for M-Audio special devices */ void *maudio_special_quirk; bool deferred_registration; + + /* For BeBoB version quirk. */ + unsigned int version; }; static inline int |