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mcu: fix the status of the fan not being saved after suspend #125

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Merged
numbqq merged 1 commit into from
Jul 31, 2024
Merged

mcu: fix the status of the fan not being saved after suspend #125

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19 changes: 18 additions & 1 deletion drivers/misc/khadas-mcu.c
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Original file line number Diff line number Diff line change
Expand Up @@ -900,8 +900,25 @@ static void khadas_fan_shutdown(struct i2c_client *client)
#ifdef CONFIG_PM_SLEEP
static int khadas_fan_suspend(struct device *dev)
{
int ret;
u8 data = MCU_FAN_SPEED_OFF;

cancel_delayed_work(&g_mcu_data->fan_data.work);
mcu_fan_level_set(&g_mcu_data->fan_data, 0);
if (g_mcu_data->board == KHADAS_BOARD_VIM4 || g_mcu_data->board == KHADAS_BOARD_VIM1S){
ret = mcu_i2c_write_regs(g_mcu_data->client,
MCU_CMD_FAN_STATUS_CTRL_REGv2,
&data, 1);
if (ret < 0) {
pr_debug("write fan control err\n");
}
} else {
ret = mcu_i2c_write_regs(g_mcu_data->client,
MCU_CMD_FAN_STATUS_CTRL_REG,
&data, 1);
if (ret < 0) {
pr_debug("write fan control err\n");
}
}

return 0;
}
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