Hi Bhushan, [auto build test ERROR on v4.12-rc6] [also build test ERROR on next-20170621] [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/Bhushan-Shah/backlight-lm3630a-bump-REG_MAX-value-to-0x50-instead-of-0x1F/20170622-074946 config: i386-randconfig-x011-06190614 (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=i386 All errors (new ones prefixed by >>): drivers/video/backlight/lm3630a_bl.c: In function 'lm3630a_chip_init': >> drivers/video/backlight/lm3630a_bl.c:84:30: error: 'FLTR_STR' undeclared (first use in this function) rval = lm3630a_write(pchip, FLTR_STR, 0x03); ^~~~~~~~ drivers/video/backlight/lm3630a_bl.c:84:30: note: each undeclared identifier is reported only once for each function it appears in vim +/FLTR_STR +84 drivers/video/backlight/lm3630a_bl.c 78 { 79 int rval; 80 struct lm3630a_platform_data *pdata = pchip->pdata; 81 82 usleep_range(1000, 2000); 83 /* set Filter Strength Register */ > 84 rval = lm3630a_write(pchip, FLTR_STR, 0x03); 85 /* set Cofig. register */ 86 rval |= lm3630a_update(pchip, REG_CONFIG, 0x07, pdata->pwm_ctrl); 87 /* set boost control */ --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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