From mboxrd@z Thu Jan 1 00:00:00 1970 From: lkp@intel.com (kbuild test robot) Date: Wed, 22 Feb 2017 14:49:59 +0800 Subject: [alsa-devel] [PATCH v6] ASoC: bcm2835: Add 8 channel (multitrack) capability In-Reply-To: <1487740949-27583-1-git-send-email-flatmax@flatmax.org> Message-ID: <201702221449.aUxpz16w%fengguang.wu@intel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Matt, [auto build test WARNING on v4.9-rc8] [also build test WARNING on next-20170221] [cannot apply to linux-rpi/for-rpi-next] [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/Matt-Flax/ASoC-bcm2835-Add-8-channel-multitrack-capability/20170222-134433 config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=alpha All warnings (new ones prefixed by >>): sound/soc/bcm/bcm2835-i2s.c: In function 'bcm2835_i2s_startup': >> sound/soc/bcm/bcm2835-i2s.c:534:15: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] if (dev->fmt & (SND_SOC_DAIFMT_MASTER_MASK | SND_SOC_DAIFMT_FORMAT_MASK) ^ vim +534 sound/soc/bcm/bcm2835-i2s.c 518 bcm2835_i2s_stop_clock(dev); 519 520 /* Enable PCM block */ 521 regmap_update_bits(dev->i2s_regmap, BCM2835_I2S_CS_A_REG, 522 BCM2835_I2S_EN, BCM2835_I2S_EN); 523 524 /* 525 * Disable STBY. 526 * Requires at least 4 PCM clock cycles to take effect. 527 */ 528 regmap_update_bits(dev->i2s_regmap, BCM2835_I2S_CS_A_REG, 529 BCM2835_I2S_STBY, BCM2835_I2S_STBY); 530 531 /* Set the max channels to 8 if the codec is master and 532 * we are in DSP A mode. Otherwise only allow 2 channels. 533 */ > 534 if (dev->fmt & (SND_SOC_DAIFMT_MASTER_MASK | SND_SOC_DAIFMT_FORMAT_MASK) 535 == (SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_DSP_A)) 536 return snd_pcm_hw_constraint_single(substream->runtime, 537 SNDRV_PCM_HW_PARAM_CHANNELS, 8); 538 else 539 return snd_pcm_hw_constraint_single(substream->runtime, 540 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 541 } 542 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -------------- next part -------------- A non-text attachment was scrubbed... Name: .config.gz Type: application/gzip Size: 47879 bytes Desc: not available URL: