diff options
Diffstat (limited to 'sound/firewire/dice/dice.c')
| -rw-r--r-- | sound/firewire/dice/dice.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sound/firewire/dice/dice.c b/sound/firewire/dice/dice.c index f7303a650ac2..8b64aef31a86 100644 --- a/sound/firewire/dice/dice.c +++ b/sound/firewire/dice/dice.c @@ -13,6 +13,8 @@ MODULE_LICENSE("GPL v2"); #define OUI_WEISS 0x001c6a #define OUI_LOUD 0x000ff2 +#define OUI_FOCUSRITE 0x00130e +#define OUI_TCELECTRONIC 0x001486 #define DICE_CATEGORY_ID 0x04 #define WEISS_CATEGORY_ID 0x00 @@ -20,6 +22,36 @@ MODULE_LICENSE("GPL v2"); #define PROBE_DELAY_MS (2 * MSEC_PER_SEC) +/* + * Some models support several isochronous channels, while these streams are not + * always available. In this case, add the model name to this list. + */ +static bool force_two_pcm_support(struct fw_unit *unit) +{ + const char *const models[] = { + /* TC Electronic models. */ + "StudioKonnekt48", + /* Focusrite models. */ + "SAFFIRE_PRO_40", + "LIQUID_SAFFIRE_56", + "SAFFIRE_PRO_40_1", + }; + char model[32]; + unsigned int i; + int err; + + err = fw_csr_string(unit->directory, CSR_MODEL, model, sizeof(model)); + if (err < 0) + return false; + + for (i = 0; i < ARRAY_SIZE(models); i++) { + if (strcmp(models[i], model) == 0) + break; + } + + return i < ARRAY_SIZE(models); +} + static int check_dice_category(struct fw_unit *unit) { struct fw_device *device = fw_parent_device(unit); @@ -44,6 +76,12 @@ static int check_dice_category(struct fw_unit *unit) break; } } + + if (vendor == OUI_FOCUSRITE || vendor == OUI_TCELECTRONIC) { + if (force_two_pcm_support(unit)) + return 0; + } + if (vendor == OUI_WEISS) category = WEISS_CATEGORY_ID; else if (vendor == OUI_LOUD) @@ -150,6 +188,9 @@ static void do_registration(struct work_struct *work) if (err < 0) return; + if (force_two_pcm_support(dice->unit)) + dice->force_two_pcms = true; + err = snd_dice_transaction_init(dice); if (err < 0) goto error; |