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authorEliav Farber <farbere@amazon.com>2022-09-08 18:24:34 +0300
committerGuenter Roeck <linux@roeck-us.net>2022-09-08 21:56:31 +0300
commite43212e0f55dc2d6b15d6c174cc0a64b25fab5e7 (patch)
tree912e4ef7d59f2a45544c30012b9565284729ee93 /drivers/hwmon/mr75203.c
parent91a9e063cdcfca8fe642b078d6fae4ce49187975 (diff)
downloadlinux-e43212e0f55dc2d6b15d6c174cc0a64b25fab5e7.tar.xz
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/hwmon/mr75203.c')
-rw-r--r--drivers/hwmon/mr75203.c13
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;