diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-input.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-input.c | 42 |
1 files changed, 16 insertions, 26 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index f3cff2bfb5ba..63b97285ddbd 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -69,8 +69,8 @@ struct em28xx_IR { unsigned int last_readcount; u64 rc_type; - /* external device (if used) */ - struct i2c_client *i2c_dev; + /* i2c slave address of external device (if used) */ + u16 i2c_dev_addr; int (*get_key_i2c)(struct i2c_client *, u32 *); int (*get_key)(struct em28xx_IR *, struct em28xx_ir_poll_result *); @@ -282,8 +282,12 @@ static int em28xx_i2c_ir_handle_key(struct em28xx_IR *ir) { static u32 ir_key; int rc; + struct i2c_client client; - rc = ir->get_key_i2c(ir->i2c_dev, &ir_key); + client.adapter = &ir->dev->i2c_adap; + client.addr = ir->i2c_dev_addr; + + rc = ir->get_key_i2c(&client, &ir_key); if (rc < 0) { dprintk("ir->get_key_i2c() failed: %d\n", rc); return rc; @@ -354,7 +358,7 @@ static int em28xx_ir_start(struct rc_dev *rc) { struct em28xx_IR *ir = rc->priv; - if (ir->i2c_dev) /* external i2c device */ + if (ir->i2c_dev_addr) /* external i2c device */ INIT_DELAYED_WORK(&ir->work, em28xx_i2c_ir_work); else /* internal device */ INIT_DELAYED_WORK(&ir->work, em28xx_ir_work); @@ -454,10 +458,9 @@ static int em28xx_ir_change_protocol(struct rc_dev *rc_dev, u64 *rc_type) } } -static struct i2c_client *em28xx_probe_i2c_ir(struct em28xx *dev) +static int em28xx_probe_i2c_ir(struct em28xx *dev) { int i = 0; - struct i2c_client *i2c_dev = NULL; /* Leadtek winfast tv USBII deluxe can find a non working IR-device */ /* at address 0x18, so if that address is needed for another board in */ /* the future, please put it after 0x1f. */ @@ -466,21 +469,12 @@ static struct i2c_client *em28xx_probe_i2c_ir(struct em28xx *dev) }; while (addr_list[i] != I2C_CLIENT_END) { - if (i2c_probe_func_quick_read(&dev->i2c_adap, addr_list[i]) == 1) { - i2c_dev = kzalloc(sizeof(*i2c_dev), GFP_KERNEL); - if (i2c_dev) { - i2c_dev->addr = addr_list[i]; - i2c_dev->adapter = &dev->i2c_adap; - /* NOTE: as long as we don't register the device - * at the i2c subsystem, no other fields need to - * be set up */ - } - break; - } + if (i2c_probe_func_quick_read(&dev->i2c_adap, addr_list[i]) == 1) + return addr_list[i]; i++; } - return i2c_dev; + return -ENODEV; } /********************************************************** @@ -576,14 +570,14 @@ static int em28xx_ir_init(struct em28xx *dev) struct rc_dev *rc; int err = -ENOMEM; u64 rc_type; - struct i2c_client *i2c_rc_dev = NULL; + u16 i2c_rc_dev_addr = 0; if (dev->board.has_snapshot_button) em28xx_register_snapshot_button(dev); if (dev->board.has_ir_i2c) { - i2c_rc_dev = em28xx_probe_i2c_ir(dev); - if (!i2c_rc_dev) { + i2c_rc_dev_addr = em28xx_probe_i2c_ir(dev); + if (!i2c_rc_dev_addr) { dev->board.has_ir_i2c = 0; em28xx_warn("No i2c IR remote control device found.\n"); return -ENODEV; @@ -636,7 +630,7 @@ static int em28xx_ir_init(struct em28xx *dev) goto error; } - ir->i2c_dev = i2c_rc_dev; + ir->i2c_dev_addr = i2c_rc_dev_addr; } else { /* internal device */ switch (dev->chip_id) { case CHIP_ID_EM2860: @@ -692,8 +686,6 @@ static int em28xx_ir_init(struct em28xx *dev) return 0; error: - if (ir && ir->i2c_dev) - kfree(ir->i2c_dev); dev->ir = NULL; rc_free_device(rc); kfree(ir); @@ -713,8 +705,6 @@ static int em28xx_ir_fini(struct em28xx *dev) if (ir->rc) rc_unregister_device(ir->rc); - kfree(ir->i2c_dev); - /* done */ kfree(ir); dev->ir = NULL; |