[alsa-devel] [PATCH 5/7] ALSA: USB-audio: Add quirk for Zoom R16 playback

[kbuild test robot]

Hi Ricard,

[auto build test WARNING on sound/for-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Ricard-Wanderlof/ALSA-USB-audio-Support-Zoom-R16-playback/20151015-190259
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> sound/usb/endpoint.c:214:39: sparse: incorrect type in assignment (different base types)
   sound/usb/endpoint.c:214:39:    expected unsigned int [unsigned] [usertype] packet_length
   sound/usb/endpoint.c:214:39:    got restricted __le32 [usertype] <noident>
--
>> sound/usb/pcm.c:1424:31: sparse: incorrect type in assignment (different base types)
   sound/usb/pcm.c:1424:31:    expected unsigned int [unsigned] [usertype] packet_length
   sound/usb/pcm.c:1424:31:    got restricted __le32 [usertype] <noident>

vim +214 sound/usb/endpoint.c

   198	
   199		for (i = 0; i < ctx->packets; ++i) {
   200			unsigned int offset;
   201			unsigned int length;
   202			int counts;
   203	
   204			if (ctx->packet_size[i])
   205				counts = ctx->packet_size[i];
   206			else
   207				counts = snd_usb_endpoint_next_packet_size(ep);
   208	
   209			length = counts * ep->stride; /* number of silent bytes */
   210			offset = offs * ep->stride + extra * i;
   211			urb->iso_frame_desc[i].offset = offset;
   212			urb->iso_frame_desc[i].length = length + extra;
   213			if (extra) {
 > 214				packet_length = cpu_to_le32(length);
   215				memcpy(urb->transfer_buffer + offset,
   216				       &packet_length, sizeof(packet_length));
   217			}
   218			memset(urb->transfer_buffer + offset + extra,
   219			       ep->silence_value, length);
   220			offs += counts;
   221		}
   222	

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