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Message-ID: <202305221045.K3Bx6bts-lkp@intel.com>
Date: Mon, 22 May 2023 11:03:09 +0800
From: kernel test robot <lkp@...el.com>
To: Shenghao Ding <13916275206@....com>, broonie@...nel.org,
devicetree@...r.kernel.org, krzysztof.kozlowski+dt@...aro.org,
robh+dt@...nel.org, lgirdwood@...il.com, perex@...ex.cz,
pierre-louis.bossart@...ux.intel.com
Cc: oe-kbuild-all@...ts.linux.dev, kevin-lu@...com,
shenghao-ding@...com, alsa-devel@...a-project.org,
linux-kernel@...r.kernel.org, x1077012@...com, peeyush@...com,
navada@...com, gentuser@...il.com, Ryan_Chu@...tron.com,
Sam_Wu@...tron.com, Shenghao Ding <13916275206@....com>
Subject: Re: [PATCH v3 3/5] ASoC: tas2781: Add tas2781 driver
Hi Shenghao,
kernel test robot noticed the following build errors:
[auto build test ERROR on broonie-sound/for-next]
[also build test ERROR on tiwai-sound/for-next tiwai-sound/for-linus robh/for-next linus/master v6.4-rc3 next-20230519]
[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/Shenghao-Ding/ASoC-tas2781-firmware-lib/20230519-160451
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
patch link: https://lore.kernel.org/r/20230519080211.20205-1-13916275206%40139.com
patch subject: [PATCH v3 3/5] ASoC: tas2781: Add tas2781 driver
config: nios2-randconfig-r035-20230522
compiler: nios2-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/1138e1878d682a13d5ba424d90bb89dd7a05b637
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Shenghao-Ding/ASoC-tas2781-firmware-lib/20230519-160451
git checkout 1138e1878d682a13d5ba424d90bb89dd7a05b637
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=nios2 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/base/regmap/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305221045.K3Bx6bts-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_byte_reg_read':
>> drivers/base/regmap/regmap-i2c.c:25:15: error: implicit declaration of function 'i2c_smbus_read_byte_data' [-Werror=implicit-function-declaration]
25 | ret = i2c_smbus_read_byte_data(i2c, reg);
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_byte_reg_write':
>> drivers/base/regmap/regmap-i2c.c:43:16: error: implicit declaration of function 'i2c_smbus_write_byte_data' [-Werror=implicit-function-declaration]
43 | return i2c_smbus_write_byte_data(i2c, reg, val);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_word_reg_read':
>> drivers/base/regmap/regmap-i2c.c:61:15: error: implicit declaration of function 'i2c_smbus_read_word_data' [-Werror=implicit-function-declaration]
61 | ret = i2c_smbus_read_word_data(i2c, reg);
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_word_reg_write':
>> drivers/base/regmap/regmap-i2c.c:79:16: error: implicit declaration of function 'i2c_smbus_write_word_data' [-Werror=implicit-function-declaration]
79 | return i2c_smbus_write_word_data(i2c, reg, val);
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_word_read_swapped':
>> drivers/base/regmap/regmap-i2c.c:97:15: error: implicit declaration of function 'i2c_smbus_read_word_swapped' [-Werror=implicit-function-declaration]
97 | ret = i2c_smbus_read_word_swapped(i2c, reg);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_smbus_word_write_swapped':
>> drivers/base/regmap/regmap-i2c.c:115:16: error: implicit declaration of function 'i2c_smbus_write_word_swapped' [-Werror=implicit-function-declaration]
115 | return i2c_smbus_write_word_swapped(i2c, reg, val);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_write':
>> drivers/base/regmap/regmap-i2c.c:129:15: error: implicit declaration of function 'i2c_master_send' [-Werror=implicit-function-declaration]
129 | ret = i2c_master_send(i2c, data, count);
| ^~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_gather_write':
>> drivers/base/regmap/regmap-i2c.c:150:14: error: implicit declaration of function 'i2c_check_functionality' [-Werror=implicit-function-declaration]
150 | if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_NOSTART))
| ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/base/regmap/regmap-i2c.c:163:15: error: implicit declaration of function 'i2c_transfer' [-Werror=implicit-function-declaration]
163 | ret = i2c_transfer(i2c->adapter, xfer, 2);
| ^~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_smbus_i2c_write':
>> drivers/base/regmap/regmap-i2c.c:218:16: error: implicit declaration of function 'i2c_smbus_write_i2c_block_data' [-Werror=implicit-function-declaration]
218 | return i2c_smbus_write_i2c_block_data(i2c, ((u8 *)data)[0], count,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_smbus_i2c_read':
>> drivers/base/regmap/regmap-i2c.c:233:15: error: implicit declaration of function 'i2c_smbus_read_i2c_block_data' [-Werror=implicit-function-declaration]
233 | ret = i2c_smbus_read_i2c_block_data(i2c, ((u8 *)reg)[0], val_size, val);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/regmap/regmap-i2c.c: In function 'regmap_i2c_smbus_i2c_read_reg16':
>> drivers/base/regmap/regmap-i2c.c:282:23: error: implicit declaration of function 'i2c_smbus_read_byte' [-Werror=implicit-function-declaration]
282 | ret = i2c_smbus_read_byte(i2c);
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for REGMAP_I2C
Depends on [n]: I2C [=n]
Selected by [y]:
- SND_SOC_TAS2781_COMLIB [=y] && SOUND [=y] && !UML && SND [=y] && SND_SOC [=y]
vim +/i2c_smbus_read_byte_data +25 drivers/base/regmap/regmap-i2c.c
b42261078a91db Boris Brezillon 2014-04-21 14
b42261078a91db Boris Brezillon 2014-04-21 15 static int regmap_smbus_byte_reg_read(void *context, unsigned int reg,
b42261078a91db Boris Brezillon 2014-04-21 16 unsigned int *val)
b42261078a91db Boris Brezillon 2014-04-21 17 {
b42261078a91db Boris Brezillon 2014-04-21 18 struct device *dev = context;
b42261078a91db Boris Brezillon 2014-04-21 19 struct i2c_client *i2c = to_i2c_client(dev);
b42261078a91db Boris Brezillon 2014-04-21 20 int ret;
b42261078a91db Boris Brezillon 2014-04-21 21
b42261078a91db Boris Brezillon 2014-04-21 22 if (reg > 0xff)
b42261078a91db Boris Brezillon 2014-04-21 23 return -EINVAL;
b42261078a91db Boris Brezillon 2014-04-21 24
b42261078a91db Boris Brezillon 2014-04-21 @25 ret = i2c_smbus_read_byte_data(i2c, reg);
b42261078a91db Boris Brezillon 2014-04-21 26 if (ret < 0)
b42261078a91db Boris Brezillon 2014-04-21 27 return ret;
b42261078a91db Boris Brezillon 2014-04-21 28
b42261078a91db Boris Brezillon 2014-04-21 29 *val = ret;
b42261078a91db Boris Brezillon 2014-04-21 30
b42261078a91db Boris Brezillon 2014-04-21 31 return 0;
b42261078a91db Boris Brezillon 2014-04-21 32 }
b42261078a91db Boris Brezillon 2014-04-21 33
b42261078a91db Boris Brezillon 2014-04-21 34 static int regmap_smbus_byte_reg_write(void *context, unsigned int reg,
b42261078a91db Boris Brezillon 2014-04-21 35 unsigned int val)
b42261078a91db Boris Brezillon 2014-04-21 36 {
b42261078a91db Boris Brezillon 2014-04-21 37 struct device *dev = context;
b42261078a91db Boris Brezillon 2014-04-21 38 struct i2c_client *i2c = to_i2c_client(dev);
b42261078a91db Boris Brezillon 2014-04-21 39
b42261078a91db Boris Brezillon 2014-04-21 40 if (val > 0xff || reg > 0xff)
b42261078a91db Boris Brezillon 2014-04-21 41 return -EINVAL;
b42261078a91db Boris Brezillon 2014-04-21 42
b42261078a91db Boris Brezillon 2014-04-21 @43 return i2c_smbus_write_byte_data(i2c, reg, val);
b42261078a91db Boris Brezillon 2014-04-21 44 }
b42261078a91db Boris Brezillon 2014-04-21 45
14e01b5f335881 Michał Mirosław 2020-01-04 46 static const struct regmap_bus regmap_smbus_byte = {
b42261078a91db Boris Brezillon 2014-04-21 47 .reg_write = regmap_smbus_byte_reg_write,
b42261078a91db Boris Brezillon 2014-04-21 48 .reg_read = regmap_smbus_byte_reg_read,
b42261078a91db Boris Brezillon 2014-04-21 49 };
b42261078a91db Boris Brezillon 2014-04-21 50
b42261078a91db Boris Brezillon 2014-04-21 51 static int regmap_smbus_word_reg_read(void *context, unsigned int reg,
b42261078a91db Boris Brezillon 2014-04-21 52 unsigned int *val)
b42261078a91db Boris Brezillon 2014-04-21 53 {
b42261078a91db Boris Brezillon 2014-04-21 54 struct device *dev = context;
b42261078a91db Boris Brezillon 2014-04-21 55 struct i2c_client *i2c = to_i2c_client(dev);
b42261078a91db Boris Brezillon 2014-04-21 56 int ret;
b42261078a91db Boris Brezillon 2014-04-21 57
b42261078a91db Boris Brezillon 2014-04-21 58 if (reg > 0xff)
b42261078a91db Boris Brezillon 2014-04-21 59 return -EINVAL;
b42261078a91db Boris Brezillon 2014-04-21 60
b42261078a91db Boris Brezillon 2014-04-21 @61 ret = i2c_smbus_read_word_data(i2c, reg);
b42261078a91db Boris Brezillon 2014-04-21 62 if (ret < 0)
b42261078a91db Boris Brezillon 2014-04-21 63 return ret;
b42261078a91db Boris Brezillon 2014-04-21 64
b42261078a91db Boris Brezillon 2014-04-21 65 *val = ret;
b42261078a91db Boris Brezillon 2014-04-21 66
b42261078a91db Boris Brezillon 2014-04-21 67 return 0;
b42261078a91db Boris Brezillon 2014-04-21 68 }
b42261078a91db Boris Brezillon 2014-04-21 69
b42261078a91db Boris Brezillon 2014-04-21 70 static int regmap_smbus_word_reg_write(void *context, unsigned int reg,
b42261078a91db Boris Brezillon 2014-04-21 71 unsigned int val)
b42261078a91db Boris Brezillon 2014-04-21 72 {
b42261078a91db Boris Brezillon 2014-04-21 73 struct device *dev = context;
b42261078a91db Boris Brezillon 2014-04-21 74 struct i2c_client *i2c = to_i2c_client(dev);
b42261078a91db Boris Brezillon 2014-04-21 75
b42261078a91db Boris Brezillon 2014-04-21 76 if (val > 0xffff || reg > 0xff)
b42261078a91db Boris Brezillon 2014-04-21 77 return -EINVAL;
b42261078a91db Boris Brezillon 2014-04-21 78
b42261078a91db Boris Brezillon 2014-04-21 @79 return i2c_smbus_write_word_data(i2c, reg, val);
b42261078a91db Boris Brezillon 2014-04-21 80 }
b42261078a91db Boris Brezillon 2014-04-21 81
14e01b5f335881 Michał Mirosław 2020-01-04 82 static const struct regmap_bus regmap_smbus_word = {
b42261078a91db Boris Brezillon 2014-04-21 83 .reg_write = regmap_smbus_word_reg_write,
b42261078a91db Boris Brezillon 2014-04-21 84 .reg_read = regmap_smbus_word_reg_read,
b42261078a91db Boris Brezillon 2014-04-21 85 };
b42261078a91db Boris Brezillon 2014-04-21 86
5892ded23c8e9e Guenter Roeck 2015-02-03 87 static int regmap_smbus_word_read_swapped(void *context, unsigned int reg,
5892ded23c8e9e Guenter Roeck 2015-02-03 88 unsigned int *val)
5892ded23c8e9e Guenter Roeck 2015-02-03 89 {
5892ded23c8e9e Guenter Roeck 2015-02-03 90 struct device *dev = context;
5892ded23c8e9e Guenter Roeck 2015-02-03 91 struct i2c_client *i2c = to_i2c_client(dev);
5892ded23c8e9e Guenter Roeck 2015-02-03 92 int ret;
5892ded23c8e9e Guenter Roeck 2015-02-03 93
5892ded23c8e9e Guenter Roeck 2015-02-03 94 if (reg > 0xff)
5892ded23c8e9e Guenter Roeck 2015-02-03 95 return -EINVAL;
5892ded23c8e9e Guenter Roeck 2015-02-03 96
5892ded23c8e9e Guenter Roeck 2015-02-03 @97 ret = i2c_smbus_read_word_swapped(i2c, reg);
5892ded23c8e9e Guenter Roeck 2015-02-03 98 if (ret < 0)
5892ded23c8e9e Guenter Roeck 2015-02-03 99 return ret;
5892ded23c8e9e Guenter Roeck 2015-02-03 100
5892ded23c8e9e Guenter Roeck 2015-02-03 101 *val = ret;
5892ded23c8e9e Guenter Roeck 2015-02-03 102
5892ded23c8e9e Guenter Roeck 2015-02-03 103 return 0;
5892ded23c8e9e Guenter Roeck 2015-02-03 104 }
5892ded23c8e9e Guenter Roeck 2015-02-03 105
5892ded23c8e9e Guenter Roeck 2015-02-03 106 static int regmap_smbus_word_write_swapped(void *context, unsigned int reg,
5892ded23c8e9e Guenter Roeck 2015-02-03 107 unsigned int val)
5892ded23c8e9e Guenter Roeck 2015-02-03 108 {
5892ded23c8e9e Guenter Roeck 2015-02-03 109 struct device *dev = context;
5892ded23c8e9e Guenter Roeck 2015-02-03 110 struct i2c_client *i2c = to_i2c_client(dev);
5892ded23c8e9e Guenter Roeck 2015-02-03 111
5892ded23c8e9e Guenter Roeck 2015-02-03 112 if (val > 0xffff || reg > 0xff)
5892ded23c8e9e Guenter Roeck 2015-02-03 113 return -EINVAL;
5892ded23c8e9e Guenter Roeck 2015-02-03 114
5892ded23c8e9e Guenter Roeck 2015-02-03 @115 return i2c_smbus_write_word_swapped(i2c, reg, val);
5892ded23c8e9e Guenter Roeck 2015-02-03 116 }
5892ded23c8e9e Guenter Roeck 2015-02-03 117
14e01b5f335881 Michał Mirosław 2020-01-04 118 static const struct regmap_bus regmap_smbus_word_swapped = {
5892ded23c8e9e Guenter Roeck 2015-02-03 119 .reg_write = regmap_smbus_word_write_swapped,
5892ded23c8e9e Guenter Roeck 2015-02-03 120 .reg_read = regmap_smbus_word_read_swapped,
5892ded23c8e9e Guenter Roeck 2015-02-03 121 };
5892ded23c8e9e Guenter Roeck 2015-02-03 122
0135bbcc7a0cc0 Stephen Warren 2012-04-04 123 static int regmap_i2c_write(void *context, const void *data, size_t count)
9943fa300a5dcd Mark Brown 2011-06-20 124 {
0135bbcc7a0cc0 Stephen Warren 2012-04-04 125 struct device *dev = context;
9943fa300a5dcd Mark Brown 2011-06-20 126 struct i2c_client *i2c = to_i2c_client(dev);
9943fa300a5dcd Mark Brown 2011-06-20 127 int ret;
9943fa300a5dcd Mark Brown 2011-06-20 128
9943fa300a5dcd Mark Brown 2011-06-20 @129 ret = i2c_master_send(i2c, data, count);
9943fa300a5dcd Mark Brown 2011-06-20 130 if (ret == count)
9943fa300a5dcd Mark Brown 2011-06-20 131 return 0;
9943fa300a5dcd Mark Brown 2011-06-20 132 else if (ret < 0)
9943fa300a5dcd Mark Brown 2011-06-20 133 return ret;
9943fa300a5dcd Mark Brown 2011-06-20 134 else
9943fa300a5dcd Mark Brown 2011-06-20 135 return -EIO;
9943fa300a5dcd Mark Brown 2011-06-20 136 }
9943fa300a5dcd Mark Brown 2011-06-20 137
0135bbcc7a0cc0 Stephen Warren 2012-04-04 138 static int regmap_i2c_gather_write(void *context,
9943fa300a5dcd Mark Brown 2011-06-20 139 const void *reg, size_t reg_size,
9943fa300a5dcd Mark Brown 2011-06-20 140 const void *val, size_t val_size)
9943fa300a5dcd Mark Brown 2011-06-20 141 {
0135bbcc7a0cc0 Stephen Warren 2012-04-04 142 struct device *dev = context;
9943fa300a5dcd Mark Brown 2011-06-20 143 struct i2c_client *i2c = to_i2c_client(dev);
9943fa300a5dcd Mark Brown 2011-06-20 144 struct i2c_msg xfer[2];
9943fa300a5dcd Mark Brown 2011-06-20 145 int ret;
9943fa300a5dcd Mark Brown 2011-06-20 146
9943fa300a5dcd Mark Brown 2011-06-20 147 /* If the I2C controller can't do a gather tell the core, it
9943fa300a5dcd Mark Brown 2011-06-20 148 * will substitute in a linear write for us.
9943fa300a5dcd Mark Brown 2011-06-20 149 */
14674e70119ea0 Mark Brown 2012-05-30 @150 if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_NOSTART))
9943fa300a5dcd Mark Brown 2011-06-20 151 return -ENOTSUPP;
9943fa300a5dcd Mark Brown 2011-06-20 152
9943fa300a5dcd Mark Brown 2011-06-20 153 xfer[0].addr = i2c->addr;
9943fa300a5dcd Mark Brown 2011-06-20 154 xfer[0].flags = 0;
9943fa300a5dcd Mark Brown 2011-06-20 155 xfer[0].len = reg_size;
9943fa300a5dcd Mark Brown 2011-06-20 156 xfer[0].buf = (void *)reg;
9943fa300a5dcd Mark Brown 2011-06-20 157
9943fa300a5dcd Mark Brown 2011-06-20 158 xfer[1].addr = i2c->addr;
9943fa300a5dcd Mark Brown 2011-06-20 159 xfer[1].flags = I2C_M_NOSTART;
9943fa300a5dcd Mark Brown 2011-06-20 160 xfer[1].len = val_size;
9943fa300a5dcd Mark Brown 2011-06-20 161 xfer[1].buf = (void *)val;
9943fa300a5dcd Mark Brown 2011-06-20 162
9943fa300a5dcd Mark Brown 2011-06-20 @163 ret = i2c_transfer(i2c->adapter, xfer, 2);
9943fa300a5dcd Mark Brown 2011-06-20 164 if (ret == 2)
9943fa300a5dcd Mark Brown 2011-06-20 165 return 0;
9943fa300a5dcd Mark Brown 2011-06-20 166 if (ret < 0)
9943fa300a5dcd Mark Brown 2011-06-20 167 return ret;
9943fa300a5dcd Mark Brown 2011-06-20 168 else
9943fa300a5dcd Mark Brown 2011-06-20 169 return -EIO;
9943fa300a5dcd Mark Brown 2011-06-20 170 }
9943fa300a5dcd Mark Brown 2011-06-20 171
0135bbcc7a0cc0 Stephen Warren 2012-04-04 172 static int regmap_i2c_read(void *context,
9943fa300a5dcd Mark Brown 2011-06-20 173 const void *reg, size_t reg_size,
9943fa300a5dcd Mark Brown 2011-06-20 174 void *val, size_t val_size)
9943fa300a5dcd Mark Brown 2011-06-20 175 {
0135bbcc7a0cc0 Stephen Warren 2012-04-04 176 struct device *dev = context;
9943fa300a5dcd Mark Brown 2011-06-20 177 struct i2c_client *i2c = to_i2c_client(dev);
9943fa300a5dcd Mark Brown 2011-06-20 178 struct i2c_msg xfer[2];
9943fa300a5dcd Mark Brown 2011-06-20 179 int ret;
9943fa300a5dcd Mark Brown 2011-06-20 180
9943fa300a5dcd Mark Brown 2011-06-20 181 xfer[0].addr = i2c->addr;
9943fa300a5dcd Mark Brown 2011-06-20 182 xfer[0].flags = 0;
9943fa300a5dcd Mark Brown 2011-06-20 183 xfer[0].len = reg_size;
9943fa300a5dcd Mark Brown 2011-06-20 184 xfer[0].buf = (void *)reg;
9943fa300a5dcd Mark Brown 2011-06-20 185
9943fa300a5dcd Mark Brown 2011-06-20 186 xfer[1].addr = i2c->addr;
9943fa300a5dcd Mark Brown 2011-06-20 187 xfer[1].flags = I2C_M_RD;
9943fa300a5dcd Mark Brown 2011-06-20 188 xfer[1].len = val_size;
9943fa300a5dcd Mark Brown 2011-06-20 189 xfer[1].buf = val;
9943fa300a5dcd Mark Brown 2011-06-20 190
9943fa300a5dcd Mark Brown 2011-06-20 191 ret = i2c_transfer(i2c->adapter, xfer, 2);
9943fa300a5dcd Mark Brown 2011-06-20 192 if (ret == 2)
9943fa300a5dcd Mark Brown 2011-06-20 193 return 0;
9943fa300a5dcd Mark Brown 2011-06-20 194 else if (ret < 0)
9943fa300a5dcd Mark Brown 2011-06-20 195 return ret;
9943fa300a5dcd Mark Brown 2011-06-20 196 else
9943fa300a5dcd Mark Brown 2011-06-20 197 return -EIO;
9943fa300a5dcd Mark Brown 2011-06-20 198 }
9943fa300a5dcd Mark Brown 2011-06-20 199
14e01b5f335881 Michał Mirosław 2020-01-04 200 static const struct regmap_bus regmap_i2c = {
9943fa300a5dcd Mark Brown 2011-06-20 201 .write = regmap_i2c_write,
9943fa300a5dcd Mark Brown 2011-06-20 202 .gather_write = regmap_i2c_gather_write,
9943fa300a5dcd Mark Brown 2011-06-20 203 .read = regmap_i2c_read,
d647c199510c2c Xiubo Li 2014-07-15 204 .reg_format_endian_default = REGMAP_ENDIAN_BIG,
d647c199510c2c Xiubo Li 2014-07-15 205 .val_format_endian_default = REGMAP_ENDIAN_BIG,
9943fa300a5dcd Mark Brown 2011-06-20 206 };
9943fa300a5dcd Mark Brown 2011-06-20 207
29332534e2b68b Markus Pargmann 2015-08-30 208 static int regmap_i2c_smbus_i2c_write(void *context, const void *data,
29332534e2b68b Markus Pargmann 2015-08-30 209 size_t count)
29332534e2b68b Markus Pargmann 2015-08-30 210 {
29332534e2b68b Markus Pargmann 2015-08-30 211 struct device *dev = context;
29332534e2b68b Markus Pargmann 2015-08-30 212 struct i2c_client *i2c = to_i2c_client(dev);
29332534e2b68b Markus Pargmann 2015-08-30 213
29332534e2b68b Markus Pargmann 2015-08-30 214 if (count < 1)
29332534e2b68b Markus Pargmann 2015-08-30 215 return -EINVAL;
29332534e2b68b Markus Pargmann 2015-08-30 216
29332534e2b68b Markus Pargmann 2015-08-30 217 --count;
29332534e2b68b Markus Pargmann 2015-08-30 @218 return i2c_smbus_write_i2c_block_data(i2c, ((u8 *)data)[0], count,
29332534e2b68b Markus Pargmann 2015-08-30 219 ((u8 *)data + 1));
29332534e2b68b Markus Pargmann 2015-08-30 220 }
29332534e2b68b Markus Pargmann 2015-08-30 221
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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