I had a doubt...this confirms that my arm compiler is too permissive :( This patch in pcm_lib has to be abandoned. I will propose a V4 with one/some constant table(s) defined in hdmi-codec... Regards Arnaud On 12/19/2016 05:31 PM, kbuild test robot wrote: > Hi Arnaud, > > [auto build test WARNING on asoc/for-next] > [also build test WARNING on v4.9 next-20161219] > [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/Arnaud-Pouliquen/Generic-HDMI-codec-Add-channel-mapping-control/20161219-235923 > base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next > config: x86_64-acpi-redef (attached as .config) > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > All warnings (new ones prefixed by >>): > > sound/pci/atiixp.c: In function 'snd_atiixp_pcm_new': >>> sound/pci/atiixp.c:1298:10: warning: passing argument 3 of 'snd_pcm_add_chmap_ctls' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] > snd_pcm_alt_chmaps, chip->max_channels, 0, > ^~~~~~~~~~~~~~~~~~ > In file included from sound/pci/atiixp.c:31:0: > include/sound/pcm.h:1389:5: note: expected 'struct snd_pcm_chmap_elem *' but argument is of type 'const struct snd_pcm_chmap_elem *' > int snd_pcm_add_chmap_ctls(struct snd_pcm *pcm, int stream, > ^~~~~~~~~~~~~~~~~~~~~~ > -- > sound/pci/cmipci.c: In function 'snd_cmipci_pcm_spdif_new': >>> sound/pci/cmipci.c:1966:10: warning: passing argument 3 of 'snd_pcm_add_chmap_ctls' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] > snd_pcm_alt_chmaps, cm->max_channels, 0, > ^~~~~~~~~~~~~~~~~~ > In file included from sound/pci/cmipci.c:35:0: > include/sound/pcm.h:1389:5: note: expected 'struct snd_pcm_chmap_elem *' but argument is of type 'const struct snd_pcm_chmap_elem *' > int snd_pcm_add_chmap_ctls(struct snd_pcm *pcm, int stream, > ^~~~~~~~~~~~~~~~~~~~~~ > -- > sound/pci/ens1370.c: In function 'snd_ensoniq_pcm': >>> sound/pci/ens1370.c:1297:10: warning: passing argument 3 of 'snd_pcm_add_chmap_ctls' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] > surround_map, 2, 0, NULL); > ^~~~~~~~~~~~ > In file included from sound/pci/ens1370.c:41:0: > include/sound/pcm.h:1389:5: note: expected 'struct snd_pcm_chmap_elem *' but argument is of type 'const struct snd_pcm_chmap_elem *' > int snd_pcm_add_chmap_ctls(struct snd_pcm *pcm, int stream, > ^~~~~~~~~~~~~~~~~~~~~~ > sound/pci/ens1370.c: In function 'snd_ensoniq_pcm2': > sound/pci/ens1370.c:1329:10: warning: passing argument 3 of 'snd_pcm_add_chmap_ctls' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] > snd_pcm_std_chmaps, 2, 0, NULL); > ^~~~~~~~~~~~~~~~~~ > In file included from sound/pci/ens1370.c:41:0: > include/sound/pcm.h:1389:5: note: expected 'struct snd_pcm_chmap_elem *' but argument is of type 'const struct snd_pcm_chmap_elem *' > int snd_pcm_add_chmap_ctls(struct snd_pcm *pcm, int stream, > ^~~~~~~~~~~~~~~~~~~~~~ > -- > In file included from sound/pci/au88x0/au8810.c:9:0: > sound/pci/au88x0/au88x0_pcm.c: In function 'snd_vortex_new_pcm': >>> sound/pci/au88x0/au88x0_pcm.c:659:11: warning: passing argument 3 of 'snd_pcm_add_chmap_ctls' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] > snd_pcm_std_chmaps, > ^~~~~~~~~~~~~~~~~~ > In file included from sound/pci/au88x0/au88x0.h:23:0, > from sound/pci/au88x0/au8810.c:2: > include/sound/pcm.h:1389:5: note: expected 'struct snd_pcm_chmap_elem *' but argument is of type 'const struct snd_pcm_chmap_elem *' > int snd_pcm_add_chmap_ctls(struct snd_pcm *pcm, int stream, > ^~~~~~~~~~~~~~~~~~~~~~ > In file included from sound/pci/au88x0/au8810.c:9:0: > sound/pci/au88x0/au88x0_pcm.c:665:11: warning: passing argument 3 of 'snd_pcm_add_chmap_ctls' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] > snd_pcm_std_chmaps, 2, 0, NULL); > ^~~~~~~~~~~~~~~~~~ > In file included from sound/pci/au88x0/au88x0.h:23:0, > from sound/pci/au88x0/au8810.c:2: > include/sound/pcm.h:1389:5: note: expected 'struct snd_pcm_chmap_elem *' but argument is of type 'const struct snd_pcm_chmap_elem *' > int snd_pcm_add_chmap_ctls(struct snd_pcm *pcm, int stream, > ^~~~~~~~~~~~~~~~~~~~~~ > -- > sound/pci/ca0106/ca0106_main.c: In function 'snd_ca0106_pcm': >>> sound/pci/ca0106/ca0106_main.c:1424:63: warning: passing argument 3 of 'snd_pcm_add_chmap_ctls' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] > err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2, > ^~~ > In file included from sound/pci/ca0106/ca0106_main.c:147:0: > include/sound/pcm.h:1389:5: note: expected 'struct snd_pcm_chmap_elem *' but argument is of type 'const struct snd_pcm_chmap_elem *' > int snd_pcm_add_chmap_ctls(struct snd_pcm *pcm, int stream, > ^~~~~~~~~~~~~~~~~~~~~~ > > vim +1298 sound/pci/atiixp.c > > ^1da177e Linus Torvalds 2005-04-16 1282 /* PCM #0: analog I/O */ > 74ee4ff1 Takashi Iwai 2005-11-17 1283 err = snd_pcm_new(chip->card, "ATI IXP AC97", > 74ee4ff1 Takashi Iwai 2005-11-17 1284 ATI_PCMDEV_ANALOG, 1, 1, &pcm); > ^1da177e Linus Torvalds 2005-04-16 1285 if (err < 0) > ^1da177e Linus Torvalds 2005-04-16 1286 return err; > ^1da177e Linus Torvalds 2005-04-16 1287 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_playback_ops); > ^1da177e Linus Torvalds 2005-04-16 1288 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_atiixp_capture_ops); > ^1da177e Linus Torvalds 2005-04-16 1289 pcm->private_data = chip; > ^1da177e Linus Torvalds 2005-04-16 1290 strcpy(pcm->name, "ATI IXP AC97"); > ^1da177e Linus Torvalds 2005-04-16 1291 chip->pcmdevs[ATI_PCMDEV_ANALOG] = pcm; > ^1da177e Linus Torvalds 2005-04-16 1292 > ^1da177e Linus Torvalds 2005-04-16 1293 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, > 74ee4ff1 Takashi Iwai 2005-11-17 1294 snd_dma_pci_data(chip->pci), > 74ee4ff1 Takashi Iwai 2005-11-17 1295 64*1024, 128*1024); > ^1da177e Linus Torvalds 2005-04-16 1296 > e36e3b86 Takashi Iwai 2012-08-03 1297 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, > e36e3b86 Takashi Iwai 2012-08-03 @1298 snd_pcm_alt_chmaps, chip->max_channels, 0, > e36e3b86 Takashi Iwai 2012-08-03 1299 &chmap); > e36e3b86 Takashi Iwai 2012-08-03 1300 if (err < 0) > e36e3b86 Takashi Iwai 2012-08-03 1301 return err; > e36e3b86 Takashi Iwai 2012-08-03 1302 chmap->channel_mask = SND_PCM_CHMAP_MASK_2468; > e36e3b86 Takashi Iwai 2012-08-03 1303 chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; > e36e3b86 Takashi Iwai 2012-08-03 1304 > ^1da177e Linus Torvalds 2005-04-16 1305 /* no SPDIF support on codec? */ > ^1da177e Linus Torvalds 2005-04-16 1306 if (chip->pcms[ATI_PCM_SPDIF] && ! chip->pcms[ATI_PCM_SPDIF]->rates) > > :::::: The code at line 1298 was first introduced by commit > :::::: e36e3b86c78cee9c7435eb33e0ef8a788193e812 ALSA: Implement channel maps for standard onboard AC97 drivers > > :::::: TO: Takashi Iwai <tiwai@xxxxxxx> > :::::: CC: Takashi Iwai <tiwai@xxxxxxx> > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel