On 8/1/2018 10:20 AM, Takashi Iwai wrote:
On Wed, 01 Aug 2018 05:46:48 +0200,
kbuild test robot wrote:
Hi Rohit,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on asoc/for-next]
[also build test WARNING on next-20180731]
[cannot apply to v4.18-rc7]
[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/Rohit-kumar/Add-support-for-audio-on-SDM845-SoC/20180801-082203
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.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/qcom/sdm845.c:193:27: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned int [unsigned] val @@ got restricted snd_unsigned int [unsigned] val @@
sound/soc/qcom/sdm845.c:193:27: expected unsigned int [unsigned] val
sound/soc/qcom/sdm845.c:193:27: got restricted snd_pcm_format_t [usertype] <noident>
vim +193 sound/soc/qcom/sdm845.c
181
182 static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
183 struct snd_pcm_hw_params *params)
184 {
185 struct snd_interval *rate = hw_param_interval(params,
186 SNDRV_PCM_HW_PARAM_RATE);
187 struct snd_interval *channels = hw_param_interval(params,
188 SNDRV_PCM_HW_PARAM_CHANNELS);
189 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
190
191 rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
192 channels->min = channels->max = 2;
> 193 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S16_LE);
FYI, we have introduced a new helper, snd_mask_set_format(), just for
avoiding this sparse warning. It's already in Mark's for-next tree.
Thanks Takashi for API suggestion. I will update in next spin.
thanks,
Takashi
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