2011-02-25 오후 7:25, Laurent Pinchart 쓴 글:
> Hi,
>
> On Friday 25 February 2011 11:18:43 Kim, HeungJun wrote:
>> 2011-02-25 오후 6:20, Laurent Pinchart 쓴 글:
>>> On Friday 25 February 2011 07:21:32 Kim, HeungJun wrote:
>>>> As following to change the boolean type of V4L2_CID_FOCUS_AUTO to menu
>>>> type, this uvc is modified the usage of V4L2_CID_FOCUS_AUTO.
>>>>
>>>> Signed-off-by: Heungjun Kim <riverful....@samsung.com>
>>>> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
>>>> ---
>>>>
>>>> drivers/media/video/uvc/uvc_ctrl.c | 13 ++++++++++---
>>>> 1 files changed, 10 insertions(+), 3 deletions(-)
>>>>
>>>> diff --git a/drivers/media/video/uvc/uvc_ctrl.c
>>>> b/drivers/media/video/uvc/uvc_ctrl.c index 59f8a9a..795fd3f 100644
>>>> --- a/drivers/media/video/uvc/uvc_ctrl.c
>>>> +++ b/drivers/media/video/uvc/uvc_ctrl.c
>>>> @@ -333,6 +333,11 @@ static struct uvc_menu_info
>>>> exposure_auto_controls[] = { { 8, "Aperture Priority Mode" },
>>>>
>>>> };
>>>>
>>>> +static struct uvc_menu_info focus_auto_controls[] = {
>>>> + { 2, "Auto Mode" },
>>>> + { 1, "Manual Mode" },
>>>
>>> According to the UVC spec, this should be 0 for manual mode and 1 for
>>> auto mode.
>>
>> OK, I'll modify this values depends on below my question......
>>
>>>> +};
>>>> +
>>>>
>>>> static __s32 uvc_ctrl_get_zoom(struct uvc_control_mapping *mapping,
>>>>
>>>> __u8 query, const __u8 *data)
>>>>
>>>> {
>>>>
>>>> @@ -558,10 +563,12 @@ static struct uvc_control_mapping
>>>> uvc_ctrl_mappings[] = { .name = "Focus, Auto",
>>>>
>>>> .entity = UVC_GUID_UVC_CAMERA,
>>>> .selector = UVC_CT_FOCUS_AUTO_CONTROL,
>>>>
>>>> - .size = 1,
>>>> + .size = 2,
>>>
>>> Why do you change the control size ?
>>>
>>>> .offset = 0,
>>>>
>>>> - .v4l2_type = V4L2_CTRL_TYPE_BOOLEAN,
>>>> - .data_type = UVC_CTRL_DATA_TYPE_BOOLEAN,
>>>> + .v4l2_type = V4L2_CTRL_TYPE_MENU,
>>>> + .data_type = UVC_CTRL_DATA_TYPE_BITMASK,
>>>
>>> The UVC control is still a boolean.
>>
>> You're saying that, the control size should be 1 because it's right to
>> maintain the boolean type, So, then, the uvc driver dosen't needed to be
>> changed. is it right?
>
> You still need to change v4l2_type from V4L2_CTRL_TYPE_BOOLEAN to
> V4L2_CTRL_TYPE_MENU, and add the menu entries. I don't see a need to change
> anything else.
>
Ah ok. I I confused a little. Thanks for the good catch.
Together focus name patch, I'll re-send patch.
Regards,
Heungjun Kim
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
