Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-22 02:52:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

hwmon fixes for v6.13-rc4

Browse Source 
* Fix reporting of negative temperature, current, and voltage values
   in tmp513 driver
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEiHPvMQj9QTOCiqgVyx8mb86fmYEFAmdlpv4ACgkQyx8mb86f
 mYGBUhAAgtN+PPS8LK2awOutm/RO/e5gI/GCBVJZxs26lgjq1G6g8/vdhVKvuSk8
 yui31TJOWsProbNzPuKKuXMZfD0b5pgsqWc2U/R7qMBJrKoZ10V2SEJKQfQJikh7
 5KzcQkov5xwtZpyUiLpzA/3/sO392wJFNLxvpDWnKC9ca59l4CU7MFcOs8gENbnF
 DC9N5S0rvRxaQ90pNQJGUOlFMl8YexAPAhoP6yYApW2wV5Fqu8DBuKl9ZGzUVr8L
 r9kIsxXRztSknYNwBuNo2hLGtkv+LaEcF54JJhhYC38g4O7s575h+37vFDKdjXQT
 pbgmXCmjKk6BLJ6gZM85eQD3XsiZSESRq9wwWs7BuXqYf1UyrOJ2SLhN4icDSJlq
 Sd8fr+UOEMcOim/7LMkuIlRUcxS5iASc/yawTIuBmc1hvyRopDt89LnFaxnJB8Vd
 IImE/hs1DqAt91MDL0R9/pBhMo04YEJitCAltQjFvyfFjzyXHEgAbWpXE9+gLSF/
 7z74LWjg/3GysWqTHuXXKdhmiOuNudHYAJFPe7FqwddfCYws+VH5drtKaBK4wQc5
 6m5f9d7N1ItoTy/C+zdGeLhUrBb/nAUk/w0j4FHl5tkC+PFo2cLBupXcyXkl+vJC
 qCyP5LJDa31iHarhRfOjrqSbptJbJgkPsh1vrKBcnpTaRhuj3KA=
 =82D+
 -----END PGP SIGNATURE-----

Merge tag 'hwmon-for-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Fix reporting of negative temperature, current, and voltage values in
   the tmp513 driver

* tag 'hwmon-for-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (tmp513) Fix interpretation of values of Temperature Result and Limit Registers
  hwmon: (tmp513) Fix Current Register value interpretation
  hwmon: (tmp513) Fix interpretation of values of Shunt Voltage and Limit Registers
This commit is contained in:
Linus Torvalds 2024-12-20 13:48:41 -08:00
commit d74276290c
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/hwmon/tmp513.c
View File

@ -182,7 +182,7 @@ struct tmp51x_data {
struct regmap *regmap;
};
// Set the shift based on the gain 8=4, 4=3, 2=2, 1=1
// Set the shift based on the gain: 8 -> 1, 4 -> 2, 2 -> 3, 1 -> 4
static inline u8 tmp51x_get_pga_shift(struct tmp51x_data *data)
{
return 5 - ffs(data->pga_gain);
@ -204,7 +204,9 @@ static int tmp51x_get_value(struct tmp51x_data *data, u8 reg, u8 pos,
* 2's complement number shifted by one to four depending
* on the pga gain setting. 1lsb = 10uV
*/
*val = sign_extend32(regval, 17 - tmp51x_get_pga_shift(data));
*val = sign_extend32(regval,
reg == TMP51X_SHUNT_CURRENT_RESULT ?
16 - tmp51x_get_pga_shift(data) : 15);
*val = DIV_ROUND_CLOSEST(*val * 10 * MILLI, data->shunt_uohms);
break;
case TMP51X_BUS_VOLTAGE_RESULT:
@ -220,7 +222,7 @@ static int tmp51x_get_value(struct tmp51x_data *data, u8 reg, u8 pos,
break;
case TMP51X_BUS_CURRENT_RESULT:
// Current = (ShuntVoltage * CalibrationRegister) / 4096
*val = sign_extend32(regval, 16) * data->curr_lsb_ua;
*val = sign_extend32(regval, 15) * (long)data->curr_lsb_ua;
*val = DIV_ROUND_CLOSEST(*val, MILLI);
break;
case TMP51X_LOCAL_TEMP_RESULT:
@ -232,7 +234,7 @@ static int tmp51x_get_value(struct tmp51x_data *data, u8 reg, u8 pos,
case TMP51X_REMOTE_TEMP_LIMIT_2:
case TMP513_REMOTE_TEMP_LIMIT_3:
// 1lsb = 0.0625 degrees centigrade
*val = sign_extend32(regval, 16) >> TMP51X_TEMP_SHIFT;
*val = sign_extend32(regval, 15) >> TMP51X_TEMP_SHIFT;
*val = DIV_ROUND_CLOSEST(*val * 625, 10);
break;
case TMP51X_N_FACTOR_AND_HYST_1: