Hi Sebastian, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on v4.16-rc2 next-20180223] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Sebastian-Reichel/Motorola-Droid-4-Audio-Support/20180226-063007 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> sound/soc/codecs/cpcap.c:1406:54: sparse: restricted snd_pcm_format_t degrades to integer vim +1406 sound/soc/codecs/cpcap.c 1396 1397 static struct snd_soc_dai_driver cpcap_dai[] = { 1398 { 1399 .id = 0, 1400 .name = "cpcap-hifi", 1401 .playback = { 1402 .stream_name = "HiFi Playback", 1403 .channels_min = 2, 1404 .channels_max = 2, 1405 .rates = SNDRV_PCM_RATE_8000_48000, > 1406 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FORMAT_S24_LE, 1407 }, 1408 .ops = &cpcap_dai_hifi_ops, 1409 }, 1410 { 1411 .id = 1, 1412 .name = "cpcap-voice", 1413 .playback = { 1414 .stream_name = "Voice Playback", 1415 .channels_min = 1, 1416 .channels_max = 1, 1417 .rates = SNDRV_PCM_RATE_8000_48000, 1418 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1419 }, 1420 .capture = { 1421 .stream_name = "Voice Capture", 1422 .channels_min = 1, 1423 .channels_max = 2, 1424 .rates = SNDRV_PCM_RATE_8000_48000, 1425 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1426 }, 1427 .ops = &cpcap_dai_voice_ops, 1428 }, 1429 }; 1430 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html