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... 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@suse.de :::::: CC: Takashi Iwai tiwai@suse.de
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