if (i2c_master_recv(client, buffer, 4) < 4)
return 0;
- return (buffer[0] << 24) | (buffer[1] << 16) |
- (buffer[2] << 8) | buffer[3];
+ return (buffer[3] << 24) | (buffer[2] << 16) |
+ (buffer[1] << 8) | buffer[0];
}
int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask,
#ifdef CONFIG_VIDEO_ADV_DEBUG
/* ioctls to allow direct access to the
* cx25840 registers for testing */
- case VIDIOC_INT_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_CX25840)
- return -EINVAL;
- reg->val = cx25840_read(client, reg->reg & 0x0fff);
- break;
- }
-
- case VIDIOC_INT_S_REGISTER:
+ case VIDIOC_DBG_G_REGISTER:
+ case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ reg->val = cx25840_read(client, reg->reg & 0x0fff);
+ else
+ cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
break;
}
#endif
return 0;
}
+ /* Note: revision '(device_id & 0x0f) == 2' was never built. The
+ marking skips from 0x1 == 22 to 0x3 == 23. */
v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n",
(device_id & 0xfff0) >> 4,
- (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : 3,
+ (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : (device_id & 0x0f),
address << 1, adapter->name);
i2c_set_clientdata(client, state);