[linux-next:master 3433/14231] sound/pci/hda/patch_cirrus.c:1668 cs8409_cs42l42_update_volume() warn: assigning (-63) to unsigned variable 'spec->cs42l42_hp_volume[0]'

[linux-next:master 3433/14231] sound/pci/hda/patch_cirrus.c:1668 cs8409_cs42l42_update_volume() warn: assigning (-63) to unsigned variable 'spec->cs42l42_hp_volume[0]'

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
CC: Linux Memory Management List <linux-mm@kvack.org>
TO: Stefan Binding <sbinding@opensource.cirrus.com>
CC: Takashi Iwai <tiwai@suse.de>
CC: Vitaly Rodionov <vitalyr@opensource.cirrus.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   b74523885a715463203d4ccc3cf8c85952d3701a
commit: fb3447d5842b71ec960da1b8a3ca5ee5f46a5327 [3433/14231] ALSA: hda/cirrus: Add error handling into CS8409 I2C functions
:::::: branch date: 19 hours ago
:::::: commit date: 5 weeks ago
config: riscv-randconfig-m031-20210421 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

New smatch warnings:
sound/pci/hda/patch_cirrus.c:1668 cs8409_cs42l42_update_volume() warn: assigning (-63) to unsigned variable 'spec->cs42l42_hp_volume[0]'
sound/pci/hda/patch_cirrus.c:1680 cs8409_cs42l42_update_volume() warn: assigning (-97) to unsigned variable 'spec->cs42l42_hs_mic_volume[0]'

Old smatch warnings:
sound/pci/hda/patch_cirrus.c:1674 cs8409_cs42l42_update_volume() warn: assigning (-63) to unsigned variable 'spec->cs42l42_hp_volume[1]'

vim +1668 sound/pci/hda/patch_cirrus.c

b9dd23bb03fe24 Stefan Binding 2021-03-06  1656  
b9dd23bb03fe24 Stefan Binding 2021-03-06  1657  static void cs8409_cs42l42_update_volume(struct hda_codec *codec)
b9dd23bb03fe24 Stefan Binding 2021-03-06  1658  {
b9dd23bb03fe24 Stefan Binding 2021-03-06  1659  	struct cs_spec *spec = codec->spec;
fb3447d5842b71 Stefan Binding 2021-03-15  1660  	int data;
b9dd23bb03fe24 Stefan Binding 2021-03-06  1661  
b9dd23bb03fe24 Stefan Binding 2021-03-06  1662  	mutex_lock(&spec->cs8409_i2c_mux);
fb3447d5842b71 Stefan Binding 2021-03-15  1663  	data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR,
fb3447d5842b71 Stefan Binding 2021-03-15  1664  				CS8409_CS42L42_REG_HS_VOLUME_CHA, 1);
fb3447d5842b71 Stefan Binding 2021-03-15  1665  	if (data >= 0)
fb3447d5842b71 Stefan Binding 2021-03-15  1666  		spec->cs42l42_hp_volume[0] = -data;
fb3447d5842b71 Stefan Binding 2021-03-15  1667  	else
fb3447d5842b71 Stefan Binding 2021-03-15 @1668  		spec->cs42l42_hp_volume[0] = CS8409_CS42L42_HP_VOL_REAL_MIN;
fb3447d5842b71 Stefan Binding 2021-03-15  1669  	data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR,
fb3447d5842b71 Stefan Binding 2021-03-15  1670  				CS8409_CS42L42_REG_HS_VOLUME_CHB, 1);
fb3447d5842b71 Stefan Binding 2021-03-15  1671  	if (data >= 0)
fb3447d5842b71 Stefan Binding 2021-03-15  1672  		spec->cs42l42_hp_volume[1] = -data;
fb3447d5842b71 Stefan Binding 2021-03-15  1673  	else
fb3447d5842b71 Stefan Binding 2021-03-15  1674  		spec->cs42l42_hp_volume[1] = CS8409_CS42L42_HP_VOL_REAL_MIN;
fb3447d5842b71 Stefan Binding 2021-03-15  1675  	data = cs8409_i2c_read(codec, CS42L42_I2C_ADDR,
fb3447d5842b71 Stefan Binding 2021-03-15  1676  				CS8409_CS42L42_REG_AMIC_VOLUME, 1);
fb3447d5842b71 Stefan Binding 2021-03-15  1677  	if (data >= 0)
fb3447d5842b71 Stefan Binding 2021-03-15  1678  		spec->cs42l42_hs_mic_volume[0] = -data;
fb3447d5842b71 Stefan Binding 2021-03-15  1679  	else
fb3447d5842b71 Stefan Binding 2021-03-15 @1680  		spec->cs42l42_hs_mic_volume[0] = CS8409_CS42L42_AMIC_VOL_REAL_MIN;
b9dd23bb03fe24 Stefan Binding 2021-03-06  1681  	mutex_unlock(&spec->cs8409_i2c_mux);
b9dd23bb03fe24 Stefan Binding 2021-03-06  1682  	spec->cs42l42_volume_init = 1;
b9dd23bb03fe24 Stefan Binding 2021-03-06  1683  }
b9dd23bb03fe24 Stefan Binding 2021-03-06  1684  

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

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