[RFC] thermal/drivers/mediatek: fix temperature on mt7986

From: Frank Wunderlich
Date: Fri Sep 01 2023 - 02:37:47 EST


From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

Reading thermal sensor on mt7986 devices returns invalid temperature:

bpi-r3 ~ # cat /sys/class/thermal/thermal_zone0/temp
-274000

Fix this by adding missing members in mtk_thermal_data struct which were
used in mtk_thermal_turn_on_buffer after commit 33140e668b10.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 33140e668b10 ("thermal/drivers/mediatek: Control buffer enablement tweaks")
Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
---
drivers/thermal/mediatek/auxadc_thermal.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/thermal/mediatek/auxadc_thermal.c b/drivers/thermal/mediatek/auxadc_thermal.c
index f59d36de20a0..ed08767eaa60 100644
--- a/drivers/thermal/mediatek/auxadc_thermal.c
+++ b/drivers/thermal/mediatek/auxadc_thermal.c
@@ -691,6 +691,9 @@ static const struct mtk_thermal_data mt7986_thermal_data = {
.adcpnp = mt7986_adcpnp,
.sensor_mux_values = mt7986_mux_values,
.version = MTK_THERMAL_V3,
+ .apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1,
+ .apmixed_buffer_ctl_mask = GENMASK(31, 6) | BIT(3),
+ .apmixed_buffer_ctl_set = BIT(0),
};

static bool mtk_thermal_temp_is_valid(int temp)
--
2.34.1