This patch adds a new module option, quirk_flags, for allowing user to try some additional device-specific quirk behavior more easily. When this option is set to non-zero, it overrides the quirk_flags, and the specific workaround is applied.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/usb/card.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/sound/usb/card.c b/sound/usb/card.c index 9535df39c02f..cf8f3953f78f 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -71,6 +71,7 @@ static bool autoclock = true; static char *quirk_alias[SNDRV_CARDS]; static char *delayed_register[SNDRV_CARDS]; static bool implicit_fb[SNDRV_CARDS]; +static unsigned int quirk_flags[SNDRV_CARDS];
bool snd_usb_use_vmalloc = true; bool snd_usb_skip_validation; @@ -98,6 +99,8 @@ module_param_array(delayed_register, charp, NULL, 0444); MODULE_PARM_DESC(delayed_register, "Quirk for delayed registration, given by id:iface, e.g. 0123abcd:4."); module_param_array(implicit_fb, bool, NULL, 0444); MODULE_PARM_DESC(implicit_fb, "Apply generic implicit feedback sync mode."); +module_param_array(quirk_flags, uint, NULL, 0444); +MODULE_PARM_DESC(quirk_flags, "Driver quirk bit flags."); module_param_named(use_vmalloc, snd_usb_use_vmalloc, bool, 0444); MODULE_PARM_DESC(use_vmalloc, "Use vmalloc for PCM intermediate buffers (default: yes)."); module_param_named(skip_validation, snd_usb_skip_validation, bool, 0444); @@ -631,7 +634,10 @@ static int snd_usb_audio_create(struct usb_interface *intf, INIT_LIST_HEAD(&chip->midi_list); INIT_LIST_HEAD(&chip->mixer_list);
- snd_usb_init_quirk_flags(chip); + if (quirk_flags[idx]) + chip->quirk_flags = quirk_flags[idx]; + else + snd_usb_init_quirk_flags(chip);
card->private_free = snd_usb_audio_free;