Re: [PATCH v2 3/3] iio: cros_ec_light: Add support for RGB sensor

From: kbuild test robot
Date: Sun May 10 2020 - 22:46:18 EST


Hi Gwendal,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on iio/togreg]
[also build test ERROR on chrome-platform-linux/for-next linus/master v5.7-rc5 next-20200508]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Gwendal-Grignou/iio-cros_ec-Add-support-for-RGB-light-sensor/20200507-074251
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

drivers/iio/light/cros_ec_light_prox.c:39:40: warning: left-hand operand of comma expression has no effect [-Wunused-value]
#define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
^
drivers/iio/light/cros_ec_light_prox.c:51:2: note: in expansion of macro 'CROS_EC_LIGHT_RGB_SPACE_MASK'
CROS_EC_LIGHT_RGB_SPACE_MASK,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/iio/light/cros_ec_light_prox.c:39:38: error: initializer element is not constant
#define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
^
drivers/iio/light/cros_ec_light_prox.c:51:2: note: in expansion of macro 'CROS_EC_LIGHT_RGB_SPACE_MASK'
CROS_EC_LIGHT_RGB_SPACE_MASK,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/light/cros_ec_light_prox.c:39:38: note: (near initialization for 'cros_ec_light_prox_bitmasks[3]')
#define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
^
drivers/iio/light/cros_ec_light_prox.c:51:2: note: in expansion of macro 'CROS_EC_LIGHT_RGB_SPACE_MASK'
CROS_EC_LIGHT_RGB_SPACE_MASK,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/light/cros_ec_light_prox.c:39:40: warning: left-hand operand of comma expression has no effect [-Wunused-value]
#define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
^
drivers/iio/light/cros_ec_light_prox.c:52:2: note: in expansion of macro 'CROS_EC_LIGHT_RGB_SPACE_MASK'
CROS_EC_LIGHT_RGB_SPACE_MASK | CROS_EC_LIGHT_CLEAR_OR_PROXIMITY_MASK,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/iio/light/cros_ec_light_prox.c:39:38: error: initializer element is not constant
#define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
^
drivers/iio/light/cros_ec_light_prox.c:52:2: note: in expansion of macro 'CROS_EC_LIGHT_RGB_SPACE_MASK'
CROS_EC_LIGHT_RGB_SPACE_MASK | CROS_EC_LIGHT_CLEAR_OR_PROXIMITY_MASK,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/light/cros_ec_light_prox.c:39:38: note: (near initialization for 'cros_ec_light_prox_bitmasks[4]')
#define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
^
drivers/iio/light/cros_ec_light_prox.c:52:2: note: in expansion of macro 'CROS_EC_LIGHT_RGB_SPACE_MASK'
CROS_EC_LIGHT_RGB_SPACE_MASK | CROS_EC_LIGHT_CLEAR_OR_PROXIMITY_MASK,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/light/cros_ec_light_prox.c: In function 'cros_ec_light_capture':
drivers/iio/light/cros_ec_light_prox.c:39:40: warning: left-hand operand of comma expression has no effect [-Wunused-value]
#define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
^
drivers/iio/light/cros_ec_light_prox.c:404:19: note: in expansion of macro 'CROS_EC_LIGHT_RGB_SPACE_MASK'
(scan_mask & CROS_EC_LIGHT_RGB_SPACE_MASK)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/iio/light/cros_ec_light_prox.c: In function 'cros_ec_light_prox_update_scan_mode':
drivers/iio/light/cros_ec_light_prox.c:39:40: warning: left-hand operand of comma expression has no effect [-Wunused-value]
#define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
^
drivers/iio/light/cros_ec_light_prox.c:434:24: note: in expansion of macro 'CROS_EC_LIGHT_RGB_SPACE_MASK'
else if (*scan_mask & CROS_EC_LIGHT_RGB_SPACE_MASK)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +39 drivers/iio/light/cros_ec_light_prox.c

23
24 /*
25 * We may present up to 7 channels:
26 *
27 * +-----+-----+-----+-----+-----+-----+-----+
28 * |Clear| X | Y | Z | RED |BLUE |GREEN|
29 * |Prox | | | | | | |
30 * +-----+-----+-----+-----+-----+-----+-----+
31 *
32 * Prox[imity] is presented by proximity sensors.
33 * The clear channel is supported by single and color light sensors.
34 * Color light sensor either reports color information in the RGB space or
35 * the CIE 1931 XYZ (XYZ) color space.
36 */
37 #define CROS_EC_LIGHT_CLEAR_OR_PROXIMITY_MASK GENMASK(0, 0)
38 #define CROS_EC_LIGHT_XYZ_SPACE_MASK GENMASK(3, 1)
> 39 #define CROS_EC_LIGHT_RGB_SPACE_MASK (6, 4)
40

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip