ret = twl4030_madc_disable_irq(madc, i);
                if (ret < 0)
                        dev_dbg(madc->dev, "Disable interrupt failed %d\n", i);
-               madc->requests[i].result_pending = 1;
+               madc->requests[i].result_pending = true;
        }
        for (i = 0; i < TWL4030_MADC_NUM_METHODS; i++) {
                r = &madc->requests[i];
                len = twl4030_madc_read_channels(madc, method->rbase,
                                                 r->channels, r->rbuf, r->raw);
                /* Free request */
-               r->result_pending = 0;
-               r->active = 0;
+               r->result_pending = false;
+               r->active = false;
        }
        mutex_unlock(&madc->lock);
 
         */
        for (i = 0; i < TWL4030_MADC_NUM_METHODS; i++) {
                r = &madc->requests[i];
-               if (r->active == 0)
+               if (!r->active)
                        continue;
                method = &twl4030_conversion_methods[r->method];
                /* Read results */
                len = twl4030_madc_read_channels(madc, method->rbase,
                                                 r->channels, r->rbuf, r->raw);
                /* Free request */
-               r->result_pending = 0;
-               r->active = 0;
+               r->result_pending = false;
+               r->active = false;
        }
        mutex_unlock(&madc->lock);
 
        ret = twl4030_madc_start_conversion(twl4030_madc, req->method);
        if (ret < 0)
                goto out;
-       twl4030_madc->requests[req->method].active = 1;
+       twl4030_madc->requests[req->method].active = true;
        /* Wait until conversion is ready (ctrl register returns EOC) */
        ret = twl4030_madc_wait_conversion_ready(twl4030_madc, 5, method->ctrl);
        if (ret) {
-               twl4030_madc->requests[req->method].active = 0;
+               twl4030_madc->requests[req->method].active = false;
                goto out;
        }
        ret = twl4030_madc_read_channels(twl4030_madc, method->rbase,
                                         req->channels, req->rbuf, req->raw);
-       twl4030_madc->requests[req->method].active = 0;
+       twl4030_madc->requests[req->method].active = false;
 
 out:
        mutex_unlock(&twl4030_madc->lock);