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| author | Takashi Iwai <tiwai@suse.de> | 2021-07-29 10:44:03 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-08-02 10:06:07 +0300 |
| commit | 5b517854420b53541af09dc9e097e93673c9226f (patch) | |
| tree | a30e76e26649348bba7e7205f241745ae4fb86b5 /sound/usb/card.c | |
| parent | 68e851ee4cfd2a3c96f10d984192c2c8abe9a104 (diff) | |
| download | linux-5b517854420b53541af09dc9e097e93673c9226f.tar.xz | |
ALSA: usb-audio: Add quirk_flags module option
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.
Link: https://lore.kernel.org/r/20210729074404.19728-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/card.c')
| -rw-r--r-- | sound/usb/card.c | 8 |
1 files changed, 7 insertions, 1 deletions
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; |