Lines Matching refs:atr
211 int atr = i2c_smbus_read_byte_data(client, ISL1208_REG_ATR);
212 if (atr < 0)
213 return atr;
226 atr &= 0x3f; /* mask out lsb */
227 atr ^= 1 << 5; /* invert 6th bit */
228 atr += 2 * 9; /* add offset of 4.5pF; unit[atr] = 0.25pF */
230 return atr;
301 int sr, dtr, atr, usr;
324 atr = isl1208_i2c_get_atr(client);
325 if (atr >= 0)
327 atr >> 2, (atr & 0x3) * 25);
693 int atr = isl1208_i2c_get_atr(to_i2c_client(dev->parent));
694 if (atr < 0)
695 return atr;
697 return sprintf(buf, "%d.%.2d pF\n", atr >> 2, (atr & 0x3) * 25);