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This code contains the Scarlett mixer interface code that was originally written by Tobias Hoffman and Robin Gareus. Because the device doesn't properly implement UAC2 this code adds a mixer quirk for the device. Changes from the original code include removing the metering code along with dead code and comments. Compiler warnings were fixed. The code to initialize the sampling rate was causing a crash this was fixed as discussed on the mailing list. Error, and info messages were convered to dev_err and dev_info interfaces. The custom scarlett_mixer_elem_info struct was replaced with the more generic usb_mixer_elem_info to be able to recycle more code from mixer.c. This patch also makes additional modifications based on upstream comments. Individual control creation functions are removed and a generic function is no used. Macros for function calls are removed to improve readability. Hardcoded control initialization is removed. Save to HW functionality has been removed. Strings for enums are created dynamically for the mixer. Strings used for controls are now SNDRV_CTL_ELEM_ID_NAME_MAXLEN length. Signed-off-by: Chris J Arges <chris.j.arges@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
7 lines
169 B
C
7 lines
169 B
C
#ifndef __USB_MIXER_SCARLETT_H
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#define __USB_MIXER_SCARLETT_H
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int snd_scarlett_controls_create(struct usb_mixer_interface *mixer);
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#endif /* __USB_MIXER_SCARLETT_H */
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