Hi Jack, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 33ce24234fca4c083e6685a18b460a18ebb5d5c1 commit: 86ce355c1f9ab943bbe099ea7d0b8a3af2247f65 [2562/2853] ASoC: rt721-sdca: Add RT721 SDCA driver config: i386-buildonly-randconfig-006-20241008 (https://download.01.org/0day-ci/archive/20241008/202410081909.i3j7cibD-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241008/202410081909.i3j7cibD-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/202410081909.i3j7cibD-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> sound/soc/codecs/rt-sdw-common.c:119:3: warning: variable 'ret' is uninitialized when used here [-Wuninitialized] 119 | ret |= SND_JACK_BTN_2; | ^~~ sound/soc/codecs/rt-sdw-common.c:111:9: note: initialize the variable 'ret' to silence this warning 111 | int ret; | ^ | = 0 1 warning generated. -- >> sound/soc/codecs/rt-sdw-common.c:87: warning: Function parameter or struct member 'val' not described in 'rt_sdca_index_update_bits' >> sound/soc/codecs/rt-sdw-common.c:87: warning: Excess function parameter 'value' description in 'rt_sdca_index_update_bits' -- >> sound/soc/codecs/rt721-sdca.c:45:7: warning: variable 'ret' is uninitialized when used here [-Wuninitialized] 45 | if (ret < 0) | ^~~ sound/soc/codecs/rt721-sdca.c:33:23: note: initialize the variable 'ret' to silence this warning 33 | int btn_type = 0, ret; | ^ | = 0 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [y]: - RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y] vim +87 sound/soc/codecs/rt-sdw-common.c bbca8e7050e076 Jack Yu 2024-10-01 71 bbca8e7050e076 Jack Yu 2024-10-01 72 /** bbca8e7050e076 Jack Yu 2024-10-01 73 * rt_sdca_index_update_bits - Update value on Realtek defined register. bbca8e7050e076 Jack Yu 2024-10-01 74 * bbca8e7050e076 Jack Yu 2024-10-01 75 * @map: map for setting. bbca8e7050e076 Jack Yu 2024-10-01 76 * @nid: Realtek-defined ID. bbca8e7050e076 Jack Yu 2024-10-01 77 * @reg: register. bbca8e7050e076 Jack Yu 2024-10-01 78 * @mask: Bitmask to change bbca8e7050e076 Jack Yu 2024-10-01 79 * @value: New value for bitmask bbca8e7050e076 Jack Yu 2024-10-01 80 * bbca8e7050e076 Jack Yu 2024-10-01 81 * A value of zero will be returned on success, a negative errno will bbca8e7050e076 Jack Yu 2024-10-01 82 * be returned in error cases. bbca8e7050e076 Jack Yu 2024-10-01 83 */ bbca8e7050e076 Jack Yu 2024-10-01 84 bbca8e7050e076 Jack Yu 2024-10-01 85 int rt_sdca_index_update_bits(struct regmap *map, bbca8e7050e076 Jack Yu 2024-10-01 86 unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val) bbca8e7050e076 Jack Yu 2024-10-01 @87 { bbca8e7050e076 Jack Yu 2024-10-01 88 unsigned int tmp; bbca8e7050e076 Jack Yu 2024-10-01 89 int ret; bbca8e7050e076 Jack Yu 2024-10-01 90 bbca8e7050e076 Jack Yu 2024-10-01 91 ret = rt_sdca_index_read(map, nid, reg, &tmp); bbca8e7050e076 Jack Yu 2024-10-01 92 if (ret < 0) bbca8e7050e076 Jack Yu 2024-10-01 93 return ret; bbca8e7050e076 Jack Yu 2024-10-01 94 bbca8e7050e076 Jack Yu 2024-10-01 95 set_mask_bits(&tmp, mask, val); bbca8e7050e076 Jack Yu 2024-10-01 96 return rt_sdca_index_write(map, nid, reg, tmp); bbca8e7050e076 Jack Yu 2024-10-01 97 } bbca8e7050e076 Jack Yu 2024-10-01 98 EXPORT_SYMBOL_GPL(rt_sdca_index_update_bits); bbca8e7050e076 Jack Yu 2024-10-01 99 bbca8e7050e076 Jack Yu 2024-10-01 100 /** bbca8e7050e076 Jack Yu 2024-10-01 101 * rt_sdca_btn_type - Decision of button type. bbca8e7050e076 Jack Yu 2024-10-01 102 * bbca8e7050e076 Jack Yu 2024-10-01 103 * @buffer: UMP message buffer. bbca8e7050e076 Jack Yu 2024-10-01 104 * bbca8e7050e076 Jack Yu 2024-10-01 105 * A button type will be returned regarding to buffer, bbca8e7050e076 Jack Yu 2024-10-01 106 * it returns zero if buffer cannot be recognized. bbca8e7050e076 Jack Yu 2024-10-01 107 */ bbca8e7050e076 Jack Yu 2024-10-01 108 int rt_sdca_btn_type(unsigned char *buffer) bbca8e7050e076 Jack Yu 2024-10-01 109 { bbca8e7050e076 Jack Yu 2024-10-01 110 u8 btn_type = 0; bbca8e7050e076 Jack Yu 2024-10-01 111 int ret; bbca8e7050e076 Jack Yu 2024-10-01 112 bbca8e7050e076 Jack Yu 2024-10-01 113 btn_type |= buffer[0] & 0xf; bbca8e7050e076 Jack Yu 2024-10-01 114 btn_type |= (buffer[0] >> 4) & 0xf; bbca8e7050e076 Jack Yu 2024-10-01 115 btn_type |= buffer[1] & 0xf; bbca8e7050e076 Jack Yu 2024-10-01 116 btn_type |= (buffer[1] >> 4) & 0xf; bbca8e7050e076 Jack Yu 2024-10-01 117 bbca8e7050e076 Jack Yu 2024-10-01 118 if (btn_type & BIT(0)) bbca8e7050e076 Jack Yu 2024-10-01 @119 ret |= SND_JACK_BTN_2; bbca8e7050e076 Jack Yu 2024-10-01 120 if (btn_type & BIT(1)) bbca8e7050e076 Jack Yu 2024-10-01 121 ret |= SND_JACK_BTN_3; bbca8e7050e076 Jack Yu 2024-10-01 122 if (btn_type & BIT(2)) bbca8e7050e076 Jack Yu 2024-10-01 123 ret |= SND_JACK_BTN_0; bbca8e7050e076 Jack Yu 2024-10-01 124 if (btn_type & BIT(3)) bbca8e7050e076 Jack Yu 2024-10-01 125 ret |= SND_JACK_BTN_1; bbca8e7050e076 Jack Yu 2024-10-01 126 bbca8e7050e076 Jack Yu 2024-10-01 127 return ret; bbca8e7050e076 Jack Yu 2024-10-01 128 } bbca8e7050e076 Jack Yu 2024-10-01 129 EXPORT_SYMBOL_GPL(rt_sdca_btn_type); bbca8e7050e076 Jack Yu 2024-10-01 130 :::::: The code at line 87 was first introduced by commit :::::: bbca8e7050e0769d46eb775082d1926db05e7dac ASoC: rt-sdw-common: Common functions for Realtek soundwire driver :::::: TO: Jack Yu <jack.yu@xxxxxxxxxxx> :::::: CC: Mark Brown <broonie@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
