[linux-next:master 7518/7896] sound/usb/mixer_quirks.c:1968:19: sparse: sparse: incorrect type in initializer (different base types)

[linux-next:master 7518/7896] sound/usb/mixer_quirks.c:1968:19: sparse: sparse: incorrect type in initializer (different base types)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   2a2aa3f05338270aecbe2492fda910d6c17e0102
commit: 4b8ea38fabab45ad911a32a336416062553dfe9c [7518/7896] ALSA: usb-audio: Support jack detection on Dell dock
config: arm-randconfig-s032-20220703 (https://download.01.org/0day-ci/archive/20220705/202207051932.qUilU0am-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=4b8ea38fabab45ad911a32a336416062553dfe9c
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 4b8ea38fabab45ad911a32a336416062553dfe9c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash sound/usb/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> sound/usb/mixer_quirks.c:1968:19: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int [usertype] buf @@     got restricted __be32 [usertype] @@
   sound/usb/mixer_quirks.c:1968:19: sparse:     expected unsigned int [usertype] buf
   sound/usb/mixer_quirks.c:1968:19: sparse:     got restricted __be32 [usertype]
   sound/usb/mixer_quirks.c:1979:19: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int [usertype] buf @@     got restricted __be32 [usertype] @@
   sound/usb/mixer_quirks.c:1979:19: sparse:     expected unsigned int [usertype] buf
   sound/usb/mixer_quirks.c:1979:19: sparse:     got restricted __be32 [usertype]
>> sound/usb/mixer_quirks.c:1992:18: sparse: sparse: cast to restricted __be32

vim +1968 sound/usb/mixer_quirks.c

  1964	
  1965	static int realtek_hda_set(struct snd_usb_audio *chip, u32 cmd)
  1966	{
  1967		struct usb_device *dev = chip->dev;
> 1968		u32 buf = cpu_to_be32(cmd);
  1969	
  1970		return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_SET,
  1971				       USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
  1972				       REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
  1973	}
  1974	
  1975	static int realtek_hda_get(struct snd_usb_audio *chip, u32 cmd, u32 *value)
  1976	{
  1977		struct usb_device *dev = chip->dev;
  1978		int err;
  1979		u32 buf = cpu_to_be32(cmd);
  1980	
  1981		err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), REALTEK_HDA_GET_OUT,
  1982				      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_OUT,
  1983				      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
  1984		if (err < 0)
  1985			return err;
  1986		err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), REALTEK_HDA_GET_IN,
  1987				      USB_RECIP_DEVICE | USB_TYPE_VENDOR | USB_DIR_IN,
  1988				      REALTEK_HDA_VALUE, 0, &buf, sizeof(buf));
  1989		if (err < 0)
  1990			return err;
  1991	
> 1992		*value = be32_to_cpu(buf);
  1993		return 0;
  1994	}
  1995	

-- 
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