Hi Lucas, I love your patch! Yet something to improve: [auto build test ERROR on next-20211215] [cannot apply to broonie-sound/for-next tiwai-sound/for-next rafael-pm/linux-next linus/master v5.16-rc5 v5.16-rc4 v5.16-rc3 v5.16-rc5] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Lucas-Tanure/Add-support-for-CS3... base: 93bf6eee76c0e716f6b32de690b1c52991547bb4 config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20211217/202112170043.mK2wMAmZ-lk...) compiler: sh4-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/40112a770ed88d6d545d83a800fb9b125... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Lucas-Tanure/Add-support-for-CS35L41-in-HDA-systems/20211216-194807 git checkout 40112a770ed88d6d545d83a800fb9b125204272a # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash sound/pci/hda/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): 180 | int cs35l41_hda_bind(struct device *dev, struct device *master, void *master_data) | ^~~~~~~~~~~~~~~~ sound/pci/hda/cs35l41_hda.c: In function 'cs35l41_hda_read_acpi': 315 | cs35l41->reset_gpio = fwnode_gpiod_get_index(&adev->fwnode, "reset", cs35l41->index, | ^~ vim +315 sound/pci/hda/cs35l41_hda.c 179 181 { 182 struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); 183 struct hda_component *comps = master_data; 184 185 if (comps && cs35l41->index >= 0 && cs35l41->index < HDA_MAX_COMPONENTS) 186 comps = &comps[cs35l41->index]; 187 else 188 return -EINVAL; 189 190 if (!comps->dev) { 191 comps->dev = dev; 192 strscpy(comps->name, dev_name(dev), sizeof(comps->name)); 193 comps->playback_hook = cs35l41_hda_playback_hook; 194 comps->set_channel_map = cs35l41_hda_channel_map; 195 return 0; 196 } 197 198 return -EBUSY; 199 } 200 201 static void cs35l41_hda_unbind(struct device *dev, struct device *master, void *master_data) 202 { 203 struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); 204 struct hda_component *comps = master_data; 205 206 if (comps[cs35l41->index].dev == dev) 207 memset(&comps[cs35l41->index], 0, sizeof(*comps)); 208 } 209 210 static const struct component_ops cs35l41_hda_comp_ops = { 211 .bind = cs35l41_hda_bind, 212 .unbind = cs35l41_hda_unbind, 213 }; 214 215 static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41, 216 const struct cs35l41_hda_hw_config *hw_cfg) 217 { 218 bool internal_boost = false; 219 int ret; 220 221 if (!hw_cfg) { 222 cs35l41->reg_seq = &cs35l41_hda_reg_seq_no_bst; 223 return 0; 224 } 225 226 if (hw_cfg->bst_ind || hw_cfg->bst_cap || hw_cfg->bst_ipk) 227 internal_boost = true; 228 229 switch (hw_cfg->gpio1_func) { 230 case CS35l41_VSPK_SWITCH: 231 regmap_update_bits(cs35l41->regmap, CS35L41_GPIO_PAD_CONTROL, 232 CS35L41_GPIO1_CTRL_MASK, 1 << CS35L41_GPIO1_CTRL_SHIFT); 233 break; 234 case CS35l41_SYNC: 235 regmap_update_bits(cs35l41->regmap, CS35L41_GPIO_PAD_CONTROL, 236 CS35L41_GPIO1_CTRL_MASK, 2 << CS35L41_GPIO1_CTRL_SHIFT); 237 break; 238 } 239 240 switch (hw_cfg->gpio2_func) { 241 case CS35L41_INTERRUPT: 242 regmap_update_bits(cs35l41->regmap, CS35L41_GPIO_PAD_CONTROL, 243 CS35L41_GPIO2_CTRL_MASK, 2 << CS35L41_GPIO2_CTRL_SHIFT); 244 break; 245 } 246 247 if (internal_boost) { 248 cs35l41->reg_seq = &cs35l41_hda_reg_seq_int_bst; 249 if (!(hw_cfg->bst_ind && hw_cfg->bst_cap && hw_cfg->bst_ipk)) 250 return -EINVAL; 251 ret = cs35l41_boost_config(cs35l41->dev, cs35l41->regmap, 252 hw_cfg->bst_ind, hw_cfg->bst_cap, hw_cfg->bst_ipk); 253 if (ret) 254 return ret; 255 } else { 256 cs35l41->reg_seq = &cs35l41_hda_reg_seq_ext_bst; 257 } 258 259 ret = cs35l41_hda_channel_map(cs35l41->dev, 0, NULL, 1, (unsigned int *)&hw_cfg->spk_pos); 260 if (ret) 261 return ret; 262 263 return 0; 264 } 265 266 static struct cs35l41_hda_hw_config *cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, 267 const char *hid, int id) 268 { 269 struct cs35l41_hda_hw_config *hw_cfg; 270 u32 values[HDA_MAX_COMPONENTS]; 271 struct acpi_device *adev; 272 struct device *acpi_dev; 273 char *property; 274 size_t nval; 275 int i, ret; 276 277 adev = acpi_dev_get_first_match_dev(hid, NULL, -1); 278 if (!adev) { 279 dev_err(cs35l41->dev, "Failed to find an ACPI device for %s\n", hid); 280 return ERR_PTR(-ENODEV); 281 } 282 283 acpi_dev = get_device(acpi_get_first_physical_node(adev)); 284 acpi_dev_put(adev); 285 286 property = "cirrus,dev-index"; 287 ret = device_property_count_u32(acpi_dev, property); 288 if (ret <= 0) 289 goto no_acpi_dsd; 290 291 if (ret > ARRAY_SIZE(values)) { 292 ret = -EINVAL; 293 goto err; 294 } 295 nval = ret; 296 297 ret = device_property_read_u32_array(acpi_dev, property, values, nval); 298 if (ret) 299 goto err; 300 301 cs35l41->index = -1; 302 for (i = 0; i < nval; i++) { 303 if (values[i] == id) { 304 cs35l41->index = i; 305 break; 306 } 307 } 308 if (cs35l41->index == -1) { 309 dev_err(cs35l41->dev, "No index found in %s\n", property); 310 ret = -ENODEV; 311 goto err; 312 } 313 314 /* No devm_ version as CLSA0100, in no_acpi_dsd case, can't use devm version */ 316 GPIOD_OUT_LOW, "cs35l41-reset"); 317 318 hw_cfg = kzalloc(sizeof(*hw_cfg), GFP_KERNEL); 319 if (!hw_cfg) { 320 ret = -ENOMEM; 321 goto err; 322 } 323 324 property = "cirrus,speaker-position"; 325 ret = device_property_read_u32_array(acpi_dev, property, values, nval); 326 if (ret) 327 goto err_free; 328 hw_cfg->spk_pos = values[cs35l41->index]; 329 330 property = "cirrus,gpio1-func"; 331 ret = device_property_read_u32_array(acpi_dev, property, values, nval); 332 if (ret) 333 goto err_free; 334 hw_cfg->gpio1_func = values[cs35l41->index]; 335 336 property = "cirrus,gpio2-func"; 337 ret = device_property_read_u32_array(acpi_dev, property, values, nval); 338 if (ret) 339 goto err_free; 340 hw_cfg->gpio2_func = values[cs35l41->index]; 341 342 property = "cirrus,boost-peak-milliamp"; 343 ret = device_property_read_u32_array(acpi_dev, property, values, nval); 344 if (ret == 0) 345 hw_cfg->bst_ipk = values[cs35l41->index]; 346 347 property = "cirrus,boost-ind-nanohenry"; 348 ret = device_property_read_u32_array(acpi_dev, property, values, nval); 349 if (ret == 0) 350 hw_cfg->bst_ind = values[cs35l41->index]; 351 352 property = "cirrus,boost-cap-microfarad"; 353 ret = device_property_read_u32_array(acpi_dev, property, values, nval); 354 if (ret == 0) 355 hw_cfg->bst_cap = values[cs35l41->index]; 356 357 put_device(acpi_dev); 358 359 return hw_cfg; 360 361 err_free: 362 kfree(hw_cfg); 363 err: 364 put_device(acpi_dev); 365 dev_err(cs35l41->dev, "Failed property %s: %d\n", property, ret); 366 367 return ERR_PTR(ret); 368 369 no_acpi_dsd: 370 /* 371 * Device CLSA0100 doesn't have _DSD so a gpiod_get by the label reset won't work. 372 * And devices created by i2c-multi-instantiate don't have their device struct pointing to 373 * the correct fwnode, so acpi_dev must be used here 374 * And devm functions expect that the device requesting the resource has the correct 375 * fwnode 376 */ 377 if (strncmp(hid, "CLSA0100", 8) != 0) 378 return ERR_PTR(-EINVAL); 379 380 /* check I2C address to assign the index */ 381 cs35l41->index = id == 0x40 ? 0 : 1; 382 cs35l41->reset_gpio = gpiod_get_index(acpi_dev, NULL, 0, GPIOD_OUT_HIGH); 383 cs35l41->vspk_always_on = true; 384 put_device(acpi_dev); 385 386 return NULL; 387 } 388 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org