[alsa-devel] [PATCH v3 2/4] ALSA pcm: allow non constant snd_pcm_chmap_elem
Arnaud Pouliquen
arnaud.pouliquen at st.com
Mon Dec 19 18:16:53 CET 2016
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 at suse.de>
> :::::: CC: Takashi Iwai <tiwai at suse.de>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
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>
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