]> bbs.cooldavid.org Git - net-next-2.6.git/blobdiff - drivers/media/video/cx88/cx88-i2c.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke...
[net-next-2.6.git] / drivers / media / video / cx88 / cx88-i2c.c
index ee1ca39db06ad684758dc4da0bfa8b35aa8e1f56..fb39f11845583a86dcb463745d66d498bc873efe 100644 (file)
@@ -188,10 +188,24 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci)
                        0x18, 0x6b, 0x71,
                        I2C_CLIENT_END
                };
+               const unsigned short *addrp;
 
                memset(&info, 0, sizeof(struct i2c_board_info));
                strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
-               i2c_new_probed_device(&core->i2c_adap, &info, addr_list);
+               /*
+                * We can't call i2c_new_probed_device() because it uses
+                * quick writes for probing and at least some R receiver
+                * devices only reply to reads.
+                */
+               for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) {
+                       if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0,
+                                          I2C_SMBUS_READ, 0,
+                                          I2C_SMBUS_QUICK, NULL) >= 0) {
+                               info.addr = *addrp;
+                               i2c_new_device(&core->i2c_adap, &info);
+                               break;
+                       }
+               }
        }
        return core->i2c_rc;
 }