aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/cx23885/cx23885-i2c.c12
-rw-r--r--drivers/media/video/cx88/cx88-i2c.c16
2 files changed, 26 insertions, 2 deletions
diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c
index 4172cb387420..d4746e064516 100644
--- a/drivers/media/video/cx23885/cx23885-i2c.c
+++ b/drivers/media/video/cx23885/cx23885-i2c.c
@@ -365,7 +365,17 @@ int cx23885_i2c_register(struct cx23885_i2c *bus)
365 365
366 memset(&info, 0, sizeof(struct i2c_board_info)); 366 memset(&info, 0, sizeof(struct i2c_board_info));
367 strlcpy(info.type, "ir_video", I2C_NAME_SIZE); 367 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
368 i2c_new_probed_device(&bus->i2c_adap, &info, addr_list); 368 /*
369 * We can't call i2c_new_probed_device() because it uses
370 * quick writes for probing and the IR receiver device only
371 * replies to reads.
372 */
373 if (i2c_smbus_xfer(&bus->i2c_adap, addr_list[0], 0,
374 I2C_SMBUS_READ, 0, I2C_SMBUS_QUICK,
375 NULL) >= 0) {
376 info.addr = addr_list[0];
377 i2c_new_device(&bus->i2c_adap, &info);
378 }
369 } 379 }
370 380
371 return bus->i2c_rc; 381 return bus->i2c_rc;
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
index ee1ca39db06a..fb39f1184558 100644
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ b/drivers/media/video/cx88/cx88-i2c.c
@@ -188,10 +188,24 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci)
188 0x18, 0x6b, 0x71, 188 0x18, 0x6b, 0x71,
189 I2C_CLIENT_END 189 I2C_CLIENT_END
190 }; 190 };
191 const unsigned short *addrp;
191 192
192 memset(&info, 0, sizeof(struct i2c_board_info)); 193 memset(&info, 0, sizeof(struct i2c_board_info));
193 strlcpy(info.type, "ir_video", I2C_NAME_SIZE); 194 strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
194 i2c_new_probed_device(&core->i2c_adap, &info, addr_list); 195 /*
196 * We can't call i2c_new_probed_device() because it uses
197 * quick writes for probing and at least some R receiver
198 * devices only reply to reads.
199 */
200 for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) {
201 if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0,
202 I2C_SMBUS_READ, 0,
203 I2C_SMBUS_QUICK, NULL) >= 0) {
204 info.addr = *addrp;
205 i2c_new_device(&core->i2c_adap, &info);
206 break;
207 }
208 }
195 } 209 }
196 return core->i2c_rc; 210 return core->i2c_rc;
197} 211}