From 7b4d7dcfa89e75f69547fbacfbf09a1d6c242a6b Mon Sep 17 00:00:00 2001 From: Takashi Sakamoto Date: Sun, 14 Jun 2015 12:49:33 +0900 Subject: [PATCH] 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 Signed-off-by: Takashi Sakamoto Signed-off-by: Takashi Iwai --- sound/firewire/bebob/bebob.c | 8 ++++++++ sound/firewire/bebob/bebob.h | 3 +++ 2 files changed, 11 insertions(+) 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 -- GitLab