[PATCH] ALSA: jack: Allow building the jack layer without input

kbuild test robot
2016-02-17T09:24:16Z

Hi Takashi,

[auto build test ERROR on sound/for-next]
[also build test ERROR on v4.5-rc4 next-20160217]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Takashi-Iwai/ALSA-jack-Allow-building-the-jack-layer-without-input/20160217-171209
base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
config: x86_64-randconfig-x012-201607 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

>> sound/core/jack.c:184:5: error: redefinition of 'snd_jack_add_new_kctl'
int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
^
In file included from sound/core/jack.c:25:0:
include/sound/jack.h:108:19: note: previous definition of 'snd_jack_add_new_kctl' was here
static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
^
>> sound/core/jack.c:212:5: error: redefinition of 'snd_jack_new'
int snd_jack_new(struct snd_card *card, const char *id, int type,
^
In file included from sound/core/jack.c:25:0:
include/sound/jack.h:102:19: note: previous definition of 'snd_jack_new' was here
static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
^
>> sound/core/jack.c:296:6: error: redefinition of 'snd_jack_set_parent'
void snd_jack_set_parent(struct snd_jack *jack, struct device *parent)
^
In file included from sound/core/jack.c:25:0:
include/sound/jack.h:120:20: note: previous definition of 'snd_jack_set_parent' was here
static inline void snd_jack_set_parent(struct snd_jack *jack,
^
>> sound/core/jack.c:331:5: error: redefinition of 'snd_jack_set_key'
int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
^
In file included from sound/core/jack.c:25:0:
include/sound/jack.h:125:19: note: previous definition of 'snd_jack_set_key' was here
static inline int snd_jack_set_key(struct snd_jack *jack,
^
>> sound/core/jack.c:354:6: error: redefinition of 'snd_jack_report'
void snd_jack_report(struct snd_jack *jack, int status)
^
In file included from sound/core/jack.c:25:0:
include/sound/jack.h:113:20: note: previous definition of 'snd_jack_report' was here
static inline void snd_jack_report(struct snd_jack *jack, int status)
^

vim +/snd_jack_add_new_kctl +184 sound/core/jack.c

9058cbe1e Jie Yang 2015-04-27 178 * by this snd_jack_kctl object.
9058cbe1e Jie Yang 2015-04-27 179 *
9058cbe1e Jie Yang 2015-04-27 180 * Creates a new snd_kcontrol object and adds it to the jack kctl_list.
9058cbe1e Jie Yang 2015-04-27 181 *
9058cbe1e Jie Yang 2015-04-27 182 * Return: Zero if successful, or a negative error code on failure.
9058cbe1e Jie Yang 2015-04-27 183 */
9058cbe1e Jie Yang 2015-04-27 @184 int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
9058cbe1e Jie Yang 2015-04-27 185 {
9058cbe1e Jie Yang 2015-04-27 186 struct snd_jack_kctl *jack_kctl;
9058cbe1e Jie Yang 2015-04-27 187
9058cbe1e Jie Yang 2015-04-27 188 jack_kctl = snd_jack_kctl_new(jack->card, name, mask);
9058cbe1e Jie Yang 2015-04-27 189 if (!jack_kctl)
9058cbe1e Jie Yang 2015-04-27 190 return -ENOMEM;
9058cbe1e Jie Yang 2015-04-27 191
9058cbe1e Jie Yang 2015-04-27 192 snd_jack_kctl_add(jack, jack_kctl);
9058cbe1e Jie Yang 2015-04-27 193 return 0;
9058cbe1e Jie Yang 2015-04-27 194 }
9058cbe1e Jie Yang 2015-04-27 195 EXPORT_SYMBOL(snd_jack_add_new_kctl);
9058cbe1e Jie Yang 2015-04-27 196
e76d8ceaa Mark Brown 2008-07-28 197 /**
e76d8ceaa Mark Brown 2008-07-28 198 * snd_jack_new - Create a new jack
e76d8ceaa Mark Brown 2008-07-28 199 * @card: the card instance
e76d8ceaa Mark Brown 2008-07-28 200 * @id: an identifying string for this jack
e76d8ceaa Mark Brown 2008-07-28 201 * @type: a bitmask of enum snd_jack_type values that can be detected by
e76d8ceaa Mark Brown 2008-07-28 202 * this jack
e76d8ceaa Mark Brown 2008-07-28 203 * @jjack: Used to provide the allocated jack object to the caller.
4e3f0dc65 Jie Yang 2015-04-27 204 * @initial_kctl: if true, create a kcontrol and add it to the jack list.
4e3f0dc65 Jie Yang 2015-04-27 205 * @phantom_jack: Don't create a input device for phantom jacks.
e76d8ceaa Mark Brown 2008-07-28 206 *
e76d8ceaa Mark Brown 2008-07-28 207 * Creates a new jack object.
e76d8ceaa Mark Brown 2008-07-28 208 *
eb7c06e8e Yacine Belkadi 2013-03-11 209 * Return: Zero if successful, or a negative error code on failure.
eb7c06e8e Yacine Belkadi 2013-03-11 210 * On success @jjack will be initialised.
e76d8ceaa Mark Brown 2008-07-28 211 */
e76d8ceaa Mark Brown 2008-07-28 @212 int snd_jack_new(struct snd_card *card, const char *id, int type,
4e3f0dc65 Jie Yang 2015-04-27 213 struct snd_jack **jjack, bool initial_kctl, bool phantom_jack)
e76d8ceaa Mark Brown 2008-07-28 214 {
e76d8ceaa Mark Brown 2008-07-28 215 struct snd_jack *jack;
4e3f0dc65 Jie Yang 2015-04-27 216 struct snd_jack_kctl *jack_kctl = NULL;
e76d8ceaa Mark Brown 2008-07-28 217 int err;
e76d8ceaa Mark Brown 2008-07-28 218 static struct snd_device_ops ops = {
e76d8ceaa Mark Brown 2008-07-28 219 .dev_free = snd_jack_dev_free,
dbe821f46 Takashi Iwai 2016-02-17 220 #ifdef CONFIG_SND_JACK_INPUT_DEV
e76d8ceaa Mark Brown 2008-07-28 221 .dev_register = snd_jack_dev_register,
32b854429 Takashi Iwai 2013-11-14 222 .dev_disconnect = snd_jack_dev_disconnect,
dbe821f46 Takashi Iwai 2016-02-17 223 #endif /* CONFIG_SND_JACK_INPUT_DEV */
e76d8ceaa Mark Brown 2008-07-28 224 };
e76d8ceaa Mark Brown 2008-07-28 225
4e3f0dc65 Jie Yang 2015-04-27 226 if (initial_kctl) {
4e3f0dc65 Jie Yang 2015-04-27 227 jack_kctl = snd_jack_kctl_new(card, id, type);
4e3f0dc65 Jie Yang 2015-04-27 228 if (!jack_kctl)
4e3f0dc65 Jie Yang 2015-04-27 229 return -ENOMEM;
4e3f0dc65 Jie Yang 2015-04-27 230 }
4e3f0dc65 Jie Yang 2015-04-27 231
e76d8ceaa Mark Brown 2008-07-28 232 jack = kzalloc(sizeof(struct snd_jack), GFP_KERNEL);
e76d8ceaa Mark Brown 2008-07-28 233 if (jack == NULL)
e76d8ceaa Mark Brown 2008-07-28 234 return -ENOMEM;
e76d8ceaa Mark Brown 2008-07-28 235
282cd76ff Matthew Ranostay 2008-10-25 236 jack->id = kstrdup(id, GFP_KERNEL);
e76d8ceaa Mark Brown 2008-07-28 237
4e3f0dc65 Jie Yang 2015-04-27 238 /* don't creat input device for phantom jack */
4e3f0dc65 Jie Yang 2015-04-27 239 if (!phantom_jack) {
dbe821f46 Takashi Iwai 2016-02-17 240 #ifdef CONFIG_SND_JACK_INPUT_DEV
dbe821f46 Takashi Iwai 2016-02-17 241 int i;
dbe821f46 Takashi Iwai 2016-02-17 242
e76d8ceaa Mark Brown 2008-07-28 243 jack->input_dev = input_allocate_device();
e76d8ceaa Mark Brown 2008-07-28 244 if (jack->input_dev == NULL) {
e76d8ceaa Mark Brown 2008-07-28 245 err = -ENOMEM;
e76d8ceaa Mark Brown 2008-07-28 246 goto fail_input;
e76d8ceaa Mark Brown 2008-07-28 247 }
e76d8ceaa Mark Brown 2008-07-28 248
e76d8ceaa Mark Brown 2008-07-28 249 jack->input_dev->phys = "ALSA";
e76d8ceaa Mark Brown 2008-07-28 250
e76d8ceaa Mark Brown 2008-07-28 251 jack->type = type;
e76d8ceaa Mark Brown 2008-07-28 252
53803aead Mark Brown 2012-02-07 253 for (i = 0; i < SND_JACK_SWITCH_TYPES; i++)
bd8a71a7b Mark Brown 2009-01-03 254 if (type & (1 << i))
e76d8ceaa Mark Brown 2008-07-28 255 input_set_capability(jack->input_dev, EV_SW,
1c6e555c3 Mark Brown 2010-03-17 256 jack_switch_types[i]);
e76d8ceaa Mark Brown 2008-07-28 257
dbe821f46 Takashi Iwai 2016-02-17 258 #endif /* CONFIG_SND_JACK_INPUT_DEV */
4e3f0dc65 Jie Yang 2015-04-27 259 }
4e3f0dc65 Jie Yang 2015-04-27 260
e76d8ceaa Mark Brown 2008-07-28 261 err = snd_device_new(card, SNDRV_DEV_JACK, jack, &ops);
e76d8ceaa Mark Brown 2008-07-28 262 if (err < 0)
e76d8ceaa Mark Brown 2008-07-28 263 goto fail_input;
e76d8ceaa Mark Brown 2008-07-28 264
9058cbe1e Jie Yang 2015-04-27 265 jack->card = card;
9058cbe1e Jie Yang 2015-04-27 266 INIT_LIST_HEAD(&jack->kctl_list);
9058cbe1e Jie Yang 2015-04-27 267
4e3f0dc65 Jie Yang 2015-04-27 268 if (initial_kctl)
4e3f0dc65 Jie Yang 2015-04-27 269 snd_jack_kctl_add(jack, jack_kctl);
4e3f0dc65 Jie Yang 2015-04-27 270
e76d8ceaa Mark Brown 2008-07-28 271 *jjack = jack;
e76d8ceaa Mark Brown 2008-07-28 272
e76d8ceaa Mark Brown 2008-07-28 273 return 0;
e76d8ceaa Mark Brown 2008-07-28 274
e76d8ceaa Mark Brown 2008-07-28 275 fail_input:
dbe821f46 Takashi Iwai 2016-02-17 276 #ifdef CONFIG_SND_JACK_INPUT_DEV
e76d8ceaa Mark Brown 2008-07-28 277 input_free_device(jack->input_dev);
dbe821f46 Takashi Iwai 2016-02-17 278 #endif
eeda276be Lu Guanqun 2011-02-21 279 kfree(jack->id);
e76d8ceaa Mark Brown 2008-07-28 280 kfree(jack);
e76d8ceaa Mark Brown 2008-07-28 281 return err;
e76d8ceaa Mark Brown 2008-07-28 282 }
e76d8ceaa Mark Brown 2008-07-28 283 EXPORT_SYMBOL(snd_jack_new);
e76d8ceaa Mark Brown 2008-07-28 284
dbe821f46 Takashi Iwai 2016-02-17 285 #ifdef CONFIG_SND_JACK_INPUT_DEV
e76d8ceaa Mark Brown 2008-07-28 286 /**
e76d8ceaa Mark Brown 2008-07-28 287 * snd_jack_set_parent - Set the parent device for a jack
e76d8ceaa Mark Brown 2008-07-28 288 *
e76d8ceaa Mark Brown 2008-07-28 289 * @jack: The jack to configure
e76d8ceaa Mark Brown 2008-07-28 290 * @parent: The device to set as parent for the jack.
e76d8ceaa Mark Brown 2008-07-28 291 *
a2e888f0d Mark Brown 2012-05-07 292 * Set the parent for the jack devices in the device tree. This
e76d8ceaa Mark Brown 2008-07-28 293 * function is only valid prior to registration of the jack. If no
e76d8ceaa Mark Brown 2008-07-28 294 * parent is configured then the parent device will be the sound card.
e76d8ceaa Mark Brown 2008-07-28 295 */
e76d8ceaa Mark Brown 2008-07-28 @296 void snd_jack_set_parent(struct snd_jack *jack, struct device *parent)
e76d8ceaa Mark Brown 2008-07-28 297 {
e76d8ceaa Mark Brown 2008-07-28 298 WARN_ON(jack->registered);
43b2cd547 Takashi Iwai 2015-04-30 299 if (!jack->input_dev)
43b2cd547 Takashi Iwai 2015-04-30 300 return;
e76d8ceaa Mark Brown 2008-07-28 301
e76d8ceaa Mark Brown 2008-07-28 302 jack->input_dev->dev.parent = parent;
e76d8ceaa Mark Brown 2008-07-28 303 }
e76d8ceaa Mark Brown 2008-07-28 304 EXPORT_SYMBOL(snd_jack_set_parent);
e76d8ceaa Mark Brown 2008-07-28 305
e76d8ceaa Mark Brown 2008-07-28 306 /**
ebb812cb8 Mark Brown 2010-03-17 307 * snd_jack_set_key - Set a key mapping on a jack
ebb812cb8 Mark Brown 2010-03-17 308 *
ebb812cb8 Mark Brown 2010-03-17 309 * @jack: The jack to configure
ebb812cb8 Mark Brown 2010-03-17 310 * @type: Jack report type for this key
ebb812cb8 Mark Brown 2010-03-17 311 * @keytype: Input layer key type to be reported
ebb812cb8 Mark Brown 2010-03-17 312 *
ebb812cb8 Mark Brown 2010-03-17 313 * Map a SND_JACK_BTN_ button type to an input layer key, allowing
ebb812cb8 Mark Brown 2010-03-17 314 * reporting of keys on accessories via the jack abstraction. If no
ebb812cb8 Mark Brown 2010-03-17 315 * mapping is provided but keys are enabled in the jack type then
ebb812cb8 Mark Brown 2010-03-17 316 * BTN_n numeric buttons will be reported.
ebb812cb8 Mark Brown 2010-03-17 317 *
a2e888f0d Mark Brown 2012-05-07 318 * If jacks are not reporting via the input API this call will have no
a2e888f0d Mark Brown 2012-05-07 319 * effect.
a2e888f0d Mark Brown 2012-05-07 320 *
ebb812cb8 Mark Brown 2010-03-17 321 * Note that this is intended to be use by simple devices with small
ebb812cb8 Mark Brown 2010-03-17 322 * numbers of keys that can be reported. It is also possible to
ebb812cb8 Mark Brown 2010-03-17 323 * access the input device directly - devices with complex input
ebb812cb8 Mark Brown 2010-03-17 324 * capabilities on accessories should consider doing this rather than
ebb812cb8 Mark Brown 2010-03-17 325 * using this abstraction.
ebb812cb8 Mark Brown 2010-03-17 326 *
ebb812cb8 Mark Brown 2010-03-17 327 * This function may only be called prior to registration of the jack.
eb7c06e8e Yacine Belkadi 2013-03-11 328 *
eb7c06e8e Yacine Belkadi 2013-03-11 329 * Return: Zero if successful, or a negative error code on failure.
ebb812cb8 Mark Brown 2010-03-17 330 */
ebb812cb8 Mark Brown 2010-03-17 @331 int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
ebb812cb8 Mark Brown 2010-03-17 332 int keytype)
ebb812cb8 Mark Brown 2010-03-17 333 {
ebb812cb8 Mark Brown 2010-03-17 334 int key = fls(SND_JACK_BTN_0) - fls(type);
ebb812cb8 Mark Brown 2010-03-17 335
ebb812cb8 Mark Brown 2010-03-17 336 WARN_ON(jack->registered);
ebb812cb8 Mark Brown 2010-03-17 337
ebb812cb8 Mark Brown 2010-03-17 338 if (!keytype || key >= ARRAY_SIZE(jack->key))
ebb812cb8 Mark Brown 2010-03-17 339 return -EINVAL;
ebb812cb8 Mark Brown 2010-03-17 340
ebb812cb8 Mark Brown 2010-03-17 341 jack->type |= type;
ebb812cb8 Mark Brown 2010-03-17 342 jack->key[key] = keytype;
ebb812cb8 Mark Brown 2010-03-17 343 return 0;
ebb812cb8 Mark Brown 2010-03-17 344 }
ebb812cb8 Mark Brown 2010-03-17 345 EXPORT_SYMBOL(snd_jack_set_key);
dbe821f46 Takashi Iwai 2016-02-17 346 #endif /* CONFIG_SND_JACK_INPUT_DEV */
ebb812cb8 Mark Brown 2010-03-17 347
ebb812cb8 Mark Brown 2010-03-17 348 /**
e76d8ceaa Mark Brown 2008-07-28 349 * snd_jack_report - Report the current status of a jack
e76d8ceaa Mark Brown 2008-07-28 350 *
e76d8ceaa Mark Brown 2008-07-28 351 * @jack: The jack to report status for
e76d8ceaa Mark Brown 2008-07-28 352 * @status: The current status of the jack
e76d8ceaa Mark Brown 2008-07-28 353 */
e76d8ceaa Mark Brown 2008-07-28 @354 void snd_jack_report(struct snd_jack *jack, int status)
e76d8ceaa Mark Brown 2008-07-28 355 {
9058cbe1e Jie Yang 2015-04-27 356 struct snd_jack_kctl *jack_kctl;
dbe821f46 Takashi Iwai 2016-02-17 357 #ifdef CONFIG_SND_JACK_INPUT_DEV

:::::: The code at line 184 was first introduced by commit
:::::: 9058cbe1eed29381f84dec9f96980f5a4ea1025f ALSA: jack: implement kctl creating for jack devices

:::::: TO: Jie Yang <yang.jie@intel.com>
:::::: CC: Takashi Iwai <tiwai@suse.de>

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