Re: [PATCH 06/22] iio: accel: adxl345: add function to switch measuring
From: kernel test robot
Date: Sun Nov 17 2024 - 00:38:14 EST
Hi Lothar,
kernel test robot noticed the following build warnings:
[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on linus/master v6.12-rc7 next-20241115]
[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/Lothar-Rubusch/iio-accel-adxl345-fix-comment-on-probe/20241115-190245
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link: https://lore.kernel.org/r/20241114231002.98595-7-l.rubusch%40gmail.com
patch subject: [PATCH 06/22] iio: accel: adxl345: add function to switch measuring
config: arm-randconfig-002-20241117 (https://download.01.org/0day-ci/archive/20241117/202411171333.4V4FcJFa-lkp@xxxxxxxxx/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241117/202411171333.4V4FcJFa-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411171333.4V4FcJFa-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
>> drivers/iio/accel/adxl345_core.c:142: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* For lowest power operation, standby mode can be used. In standby mode,
vim +142 drivers/iio/accel/adxl345_core.c
140
141 /**
> 142 * For lowest power operation, standby mode can be used. In standby mode,
143 * current consumption is supposed to be reduced to 0.1uA (typical). In this
144 * mode no measurements are made. Placing the device into standby mode
145 * preserves the contents of FIFO.
146 *
147 * Unloading the driver puts the device in standby mode (measuring off).
148 *
149 * @st: The device data.
150 * @en: Enable measurements, else standby mode.
151 */
152 static int adxl345_set_measure_en(struct adxl34x_state *st, bool en)
153 {
154 unsigned int val = 0;
155 int ret;
156
157 val = (en) ? ADXL345_POWER_CTL_MEASURE : ADXL345_POWER_CTL_STANDBY;
158 ret = regmap_write(st->regmap, ADXL345_REG_POWER_CTL, val);
159 if (ret)
160 return -EINVAL;
161
162 return 0;
163 }
164
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