diff options
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-core.c')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 7bb7589a07c..cc535ca713d 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -628,17 +628,8 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd, #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; @@ -646,7 +637,10 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd, 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 @@ -893,9 +887,11 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address, 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); |