6.12-stable review patch. If anyone has any objections, please let me know.
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From: Mason Chang mason-cw.chang@mediatek.com
commit 685a755089f95b7e205c0202567d9a647f9de096 upstream.
These commands are necessary to avoid severely abnormal and inaccurate temperature readings that are caused by using the default commands.
Signed-off-by: Mason Chang mason-cw.chang@mediatek.com Link: https://lore.kernel.org/r/20250526102659.30225-4-mason-cw.chang@mediatek.com Signed-off-by: Daniel Lezcano daniel.lezcano@linaro.org Signed-off-by: Daniel Golle daniel@makrotopia.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/thermal/mediatek/lvts_thermal.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
--- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -1421,6 +1421,8 @@ static int lvts_resume(struct device *de }
static const u32 default_conn_cmds[] = { 0xC103FFFF, 0xC502FF55 }; +static const u32 mt7988_conn_cmds[] = { 0xC103FFFF, 0xC502FC55 }; + /* * Write device mask: 0xC1030000 */ @@ -1431,6 +1433,12 @@ static const u32 default_init_cmds[] = { 0xC10300FC, 0xC103009D, 0xC10300F1, 0xC10300E1 };
+static const u32 mt7988_init_cmds[] = { + 0xC1030300, 0xC1030420, 0xC1030500, 0xC10307A6, 0xC1030CFC, + 0xC1030A8C, 0xC103098D, 0xC10308F1, 0xC1030B04, 0xC1030E01, + 0xC10306B8 +}; + /* * The MT8186 calibration data is stored as packed 3-byte little-endian * values using a weird layout that makes sense only when viewed as a 32-bit @@ -1725,11 +1733,11 @@ static const struct lvts_ctrl_data mt819
static const struct lvts_data mt7988_lvts_ap_data = { .lvts_ctrl = mt7988_lvts_ap_data_ctrl, - .conn_cmd = default_conn_cmds, - .init_cmd = default_init_cmds, + .conn_cmd = mt7988_conn_cmds, + .init_cmd = mt7988_init_cmds, .num_lvts_ctrl = ARRAY_SIZE(mt7988_lvts_ap_data_ctrl), - .num_conn_cmd = ARRAY_SIZE(default_conn_cmds), - .num_init_cmd = ARRAY_SIZE(default_init_cmds), + .num_conn_cmd = ARRAY_SIZE(mt7988_conn_cmds), + .num_init_cmd = ARRAY_SIZE(mt7988_init_cmds), .temp_factor = LVTS_COEFF_A_MT7988, .temp_offset = LVTS_COEFF_B_MT7988, .gt_calib_bit_offset = 24,