diff options
| author |   Eliav Farber <farbere@amazon.com> | 2022-09-08 15:24:34 +0000 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2022-09-08 11:56:31 -0700 |
| commit | e43212e0f55dc2d6b15d6c174cc0a64b25fab5e7 (patch) | |
| tree | 912e4ef7d59f2a45544c30012b9565284729ee93 /drivers | |
| parent | hwmon: (mr75203) fix multi-channel voltage reading (diff) | |
| download | linux-dev-e43212e0f55dc2d6b15d6c174cc0a64b25fab5e7.tar.xz linux-dev-e43212e0f55dc2d6b15d6c174cc0a64b25fab5e7.zip | |
hwmon: (mr75203) enable polling for all VM channels
Configure ip-polling register to enable polling for all voltage monitor
channels.
This enables reading the voltage values for all inputs other than just
input 0.
Fixes: 9d823351a337 ("hwmon: Add hardware monitoring driver for Moortec MR75203 PVT controller")
Signed-off-by: Eliav Farber <farbere@amazon.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220908152449.35457-7-farbere@amazon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hwmon/mr75203.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/hwmon/mr75203.c b/drivers/hwmon/mr75203.c index 812ae40e7d74..9259779cc2df 100644 --- a/drivers/hwmon/mr75203.c +++ b/drivers/hwmon/mr75203.c @@ -388,6 +388,19 @@ static int pvt_init(struct pvt_device *pvt) if (ret) return ret; + val = (BIT(pvt->c_num) - 1) | VM_CH_INIT | + IP_POLL << SDIF_ADDR_SFT | SDIF_WRN_W | SDIF_PROG; + ret = regmap_write(v_map, SDIF_W, val); + if (ret < 0) + return ret; + + ret = regmap_read_poll_timeout(v_map, SDIF_STAT, + val, !(val & SDIF_BUSY), + PVT_POLL_DELAY_US, + PVT_POLL_TIMEOUT_US); + if (ret) + return ret; + val = CFG1_VOL_MEAS_MODE | CFG1_PARALLEL_OUT | CFG1_14_BIT | IP_CFG << SDIF_ADDR_SFT | SDIF_WRN_W | SDIF_PROG; |