Re: [alsa-devel] [PATCHv5 2/5] ASoC: codec: cpcap: new codec

kbuild test robot
2018-02-26T01:36:42Z

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

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