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Message-ID: <202310122012.C2mSREZ7-lkp@intel.com>
Date:   Thu, 12 Oct 2023 21:00:03 +0800
From:   kernel test robot <lkp@...el.com>
To:     Werner Sembach <wse@...edocomputers.com>,
        Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Werner Sembach <wse@...edocomputers.com>,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org
Subject: Re: [PATCH] leds: rgb: Implement per-key keyboard backlight for
 several TUXEDO devices

Hi Werner,

kernel test robot noticed the following build warnings:

[auto build test WARNING on lee-leds/for-leds-next]
[also build test WARNING on linus/master v6.6-rc5 next-20231012]
[cannot apply to pavel-leds/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Werner-Sembach/leds-rgb-Implement-per-key-keyboard-backlight-for-several-TUXEDO-devices/20231012-030206
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/leds.git for-leds-next
patch link:    https://lore.kernel.org/r/20231011190017.1230898-1-wse%40tuxedocomputers.com
patch subject: [PATCH] leds: rgb: Implement per-key keyboard backlight for several TUXEDO devices
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20231012/202310122012.C2mSREZ7-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231012/202310122012.C2mSREZ7-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310122012.C2mSREZ7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/leds/rgb/leds-tuxedo-ite8291.c:44: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Set color for specified [row, column] in row based data structure
   drivers/leds/rgb/leds-tuxedo-ite8291.c:79: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Just a generic helper function to reduce boilerplate code
   drivers/leds/rgb/leds-tuxedo-ite8291.c:96: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Update brightness of the whole keyboard. Only used for initialization as this doesn't allow per
   drivers/leds/rgb/leds-tuxedo-ite8291.c:116: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Update color of a singular row from row_data. This is the smallest unit this device allows to
   drivers/leds/rgb/leds-tuxedo-ite8291.c:138: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Write color and brightness to the whole keyboard from row data. Note that per key brightness is


vim +44 drivers/leds/rgb/leds-tuxedo-ite8291.c

    42	
    43	/**
  > 44	 * Set color for specified [row, column] in row based data structure
    45	 *
    46	 * @param row_data Data structure to fill
    47	 * @param row Row number 0 - 5
    48	 * @param column Column number 0 - 20
    49	 * @param red Red brightness 0x00 - 0xff
    50	 * @param green Green brightness 0x00 - 0xff
    51	 * @param blue Blue brightness 0x00 - 0xff
    52	 *
    53	 * @returns 0 on success, otherwise error
    54	 */
    55	static int leds_tuxedo_ite8291_set_row_data(row_data_t row_data, int row, int column,
    56						    u8 red, u8 green, u8 blue)
    57	{
    58		int column_index_red, column_index_green, column_index_blue;
    59	
    60		if (row < 0 || row >= LEDS_TUXEDO_ITE8291_ROWS ||
    61		    column < 0 || column >= LEDS_TUXEDO_ITE8291_COLUMNS)
    62			return -EINVAL;
    63	
    64		column_index_red =
    65			LEDS_TUXEDO_ITE8291_ROW_DATA_PADDING + (2 * LEDS_TUXEDO_ITE8291_COLUMNS) + column;
    66		column_index_green =
    67			LEDS_TUXEDO_ITE8291_ROW_DATA_PADDING + (1 * LEDS_TUXEDO_ITE8291_COLUMNS) + column;
    68		column_index_blue =
    69			LEDS_TUXEDO_ITE8291_ROW_DATA_PADDING + (0 * LEDS_TUXEDO_ITE8291_COLUMNS) + column;
    70	
    71		row_data[row][column_index_red] = red;
    72		row_data[row][column_index_green] = green;
    73		row_data[row][column_index_blue] = blue;
    74	
    75		return 0;
    76	}
    77	

-- 
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https://github.com/intel/lkp-tests/wiki

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