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| author | Takashi Iwai <tiwai@suse.de> | 2024-11-05 13:02:18 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2024-11-05 13:03:52 +0100 |
| commit | d6e6b9218ced5249b9136833ef5ec3f554ec7fde (patch) | |
| tree | 38b7ebc1cb71db10a71bedb294b17d8e22ede88a /sound/usb/usbaudio.h | |
| parent | b22b2e3d9413724c77acd64a97b0817fb767e7f9 (diff) | |
| download | linux-d6e6b9218ced5249b9136833ef5ec3f554ec7fde.tar.gz linux-d6e6b9218ced5249b9136833ef5ec3f554ec7fde.tar.bz2 linux-d6e6b9218ced5249b9136833ef5ec3f554ec7fde.zip | |
ALSA: usb-audio: Make mic volume workarounds globally applicable
It seems that many webcams have buggy firmware and don't expose the
mic capture volume with the proper resolution. We have workarounds in
mixer.c, but judging from the numbers, those can be better managed as
global quirk flags.
Link: https://patch.msgid.link/20241105120220.5740-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/usbaudio.h')
| -rw-r--r-- | sound/usb/usbaudio.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index b0f042c99608..158ec053dc44 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -194,6 +194,8 @@ extern bool snd_usb_skip_validation; * QUIRK_FLAG_FIXED_RATE * Do not set PCM rate (frequency) when only one rate is available * for the given endpoint. + * QUIRK_FLAG_MIC_RES_16 and QUIRK_FLAG_MIC_RES_384 + * Set the fixed resolution for Mic Capture Volume (mostly for webcams) */ #define QUIRK_FLAG_GET_SAMPLE_RATE (1U << 0) @@ -218,5 +220,7 @@ extern bool snd_usb_skip_validation; #define QUIRK_FLAG_IFACE_SKIP_CLOSE (1U << 19) #define QUIRK_FLAG_FORCE_IFACE_RESET (1U << 20) #define QUIRK_FLAG_FIXED_RATE (1U << 21) +#define QUIRK_FLAG_MIC_RES_16 (1U << 22) +#define QUIRK_FLAG_MIC_RES_384 (1U << 23) #endif /* __USBAUDIO_H */ |