[PATCH 6.8 145/399] thermal/drivers/mediatek: Fix control buffer enablement on MT7896

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6.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

[ Upstream commit 371ed6263e2403068b359f0c07188548c2d70827 ]

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>
Reviewed-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>
Reviewed-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
Tested-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230907112018.52811-1-linux@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 8b0edb2048443..9ee2e7283435a 100644
--- a/drivers/thermal/mediatek/auxadc_thermal.c
+++ b/drivers/thermal/mediatek/auxadc_thermal.c
@@ -690,6 +690,9 @@ 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)
-- 
2.43.0







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