> + switch (event) {
> + case I2C_SLAVE_STOP:
> + command_size = panel->idx;
> + fallthrough;
> + case I2C_SLAVE_WRITE_REQUESTED:
> + panel->idx = 0;
> + break;
> + case I2C_SLAVE_WRITE_RECEIVED:
> + if (panel->idx < sizeof(panel->command))
> + panel->command[panel->idx++] = *val;
> + else
> + dev_dbg(&panel->input->dev, "command truncated\n");
Just double checking: Do you really want to process truncated commands?
Since you detect the state here, you could also choose to reject such
commands?
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