diff options
| author | Mason Chang <mason-cw.chang@mediatek.com> | 2025-05-26 18:26:59 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-04 15:31:56 +0200 |
| commit | 9a7141d4808dcb833f87154af88560c785306cd2 (patch) | |
| tree | 7733410f511d30d4bba755153114951d5fa428b9 | |
| parent | 739229eb4d5cd009d81ad8946fdd4bb5ec790c2e (diff) | |
thermal/drivers/mediatek/lvts_thermal: Add mt7988 lvts commands
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>
| -rw-r--r-- | drivers/thermal/mediatek/lvts_thermal.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c index 239476152bab..017191b9f864 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -1421,6 +1421,8 @@ static int lvts_resume(struct device *dev) } 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 mt8195_lvts_ap_data_ctrl[] = { 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, |