tree: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.3 head: 9b8e8b893ff52264df2b54a6820ae3c4bb820624 commit: d6e65bb7ff0d360c4c5462c3d0b237f2a07e5312 [110/113] ASoC: rt1011: Add RT1011 amplifier driver config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d6e65bb7ff0d360c4c5462c3d0b237f2a07e5312 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=xtensa

If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com

All warnings (new ones prefixed by >>):

sound/soc/codecs/rt1011.c: In function 'rt1011_r0_load_mode_put':

...

sound/soc/codecs/rt1011.c:1291:3: warning: this decimal constant is unsigned only in ISO C90

format = 2147483648; /* 2^24 * 128 */ ^~~~~~ sound/soc/codecs/rt1011.c: In function 'rt1011_calibrate': sound/soc/codecs/rt1011.c:2123:4: warning: this decimal constant is unsigned only in ISO C90 format = 2147483648; /* 2^24 * 128 */ ^~~~~~

vim +1291 sound/soc/codecs/rt1011.c

1272 1273 static int rt1011_r0_load_mode_put(struct snd_kcontrol *kcontrol, 1274 struct snd_ctl_elem_value *ucontrol) 1275 { 1276 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 1277 struct rt1011_priv *rt1011 = snd_soc_component_get_drvdata(component); 1278 struct device *dev; 1279 unsigned int r0_integer, r0_factor, format; 1280 1281 if (ucontrol->value.integer.value[0] == rt1011->r0_reg) 1282 return 0; 1283 1284 if (!component->card->instantiated) 1285 return 0; 1286 1287 dev = regmap_get_device(rt1011->regmap); 1288 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 1289 rt1011->r0_reg = ucontrol->value.integer.value[0]; 1290

1291 format = 2147483648; /* 2^24 * 128 */

1292 r0_integer = format / rt1011->r0_reg / 128; 1293 r0_factor = ((format / rt1011->r0_reg * 100) / 128) 1294 - (r0_integer * 100); 1295 dev_info(dev, "New r0 resistance about %d.%02d ohm, reg=0x%X\n", 1296 r0_integer, r0_factor, rt1011->r0_reg); 1297 1298 if (rt1011->r0_reg) 1299 rt1011_r0_load(rt1011); 1300 } 1301 1302 return 0; 1303 } 1304

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