Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ALSA: usb-audio: Use __le16 for 16bit USB descriptor fields
Use proper notion for 16bit values for fixing the sparse warnings.
Fixes: f8ddb0fb3289 ("ALSA: usb-audio: Define USB MIDI 2.0 specs")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202305260528.wcqjXso8-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202305270534.odwHL9F0-lkp@intel.com/
Link: https://lore.kernel.org/r/20230605144758.6677-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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include/linux/usb/midi-v2.h
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include/linux/usb/midi-v2.h
···
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__u8 bLength; /* 5 */
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__u8 bDescriptorType; /* USB_DT_CS_GR_TRM_BLOCK */
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__u8 bDescriptorSubtype; /* USB_MS_GR_TRM_BLOCK_HEADER */
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-
__u16 wTotalLength; /* Total number of bytes */
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+
__le16 wTotalLength; /* Total number of bytes */
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} __packed;
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/* 5.4.2.1 Group Terminal Block Descriptor */
···
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__u8 nNumGroupTrm; /* Number of member Group Terminals spanned */
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__u8 iBlockItem; /* String ID of Block item */
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__u8 bMIDIProtocol; /* Default MIDI protocol */
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__u16 wMaxInputBandwidth; /* Max input bandwidth capability in 4kB/s */
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__u16 wMaxOutputBandwidth; /* Max output bandwidth capability in 4kB/s */
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__le16 wMaxInputBandwidth; /* Max input bandwidth capability in 4kB/s */
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__le16 wMaxOutputBandwidth; /* Max output bandwidth capability in 4kB/s */
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} __packed;
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#endif /* __LINUX_USB_MIDI_V2_H */