Re: [RFC v4] V4L2 API for flash devices

2011-06-07 Thread Mauro Carvalho Chehab
Em 19-05-2011 05:12, Sakari Ailus escreveu: > Sylwester Nawrocki wrote: These were mostly fixed point arithmetic numbers in [32-bit numerator/ 32-bit denominator] form carrying exposure time, shutter speed, aperture, brightness, flash, etc. information. The tags could be read from I

Re: [RFC v4] V4L2 API for flash devices

2011-05-19 Thread Sakari Ailus
Sylwester Nawrocki wrote: > Hi Sakari, Hi Sylwester, > On 05/17/2011 10:34 PM, Sakari Ailus wrote: >> Sylwester Nawrocki wrote: >>> On 05/09/2011 12:11 AM, Sakari Ailus wrote: Sylwester Nawrocki wrote: > On 05/07/2011 02:46 PM, Hans Verkuil wrote: >> On Thursday, May 05, 2011 20:49:2

Re: [RFC v4] V4L2 API for flash devices

2011-05-18 Thread Sylwester Nawrocki
Hi Sakari, On 05/17/2011 10:34 PM, Sakari Ailus wrote: > Sylwester Nawrocki wrote: >> On 05/09/2011 12:11 AM, Sakari Ailus wrote: >>> Sylwester Nawrocki wrote: On 05/07/2011 02:46 PM, Hans Verkuil wrote: > On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: >> Hi, >> >> Thi

Re: [RFC v4] V4L2 API for flash devices

2011-05-18 Thread Sakari Ailus
Laurent Pinchart wrote: > Hi Sakari, Hi Laurent, > On Tuesday 17 May 2011 22:34:36 Sakari Ailus wrote: >> Sylwester Nawrocki wrote: >>> On 05/09/2011 12:11 AM, Sakari Ailus wrote: Sylwester Nawrocki wrote: > On 05/07/2011 02:46 PM, Hans Verkuil wrote: >> On Thursday, May 05, 2011 20:

Re: [RFC v4] V4L2 API for flash devices

2011-05-18 Thread Laurent Pinchart
Hi Sakari, On Tuesday 17 May 2011 22:34:36 Sakari Ailus wrote: > Sylwester Nawrocki wrote: > > On 05/09/2011 12:11 AM, Sakari Ailus wrote: > >> Sylwester Nawrocki wrote: > >>> On 05/07/2011 02:46 PM, Hans Verkuil wrote: > On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: > > Hi, > >>

Re: [RFC v4] V4L2 API for flash devices

2011-05-17 Thread Sakari Ailus
Sylwester Nawrocki wrote: > Hi Sakari, Hi Sylwester, > On 05/09/2011 12:11 AM, Sakari Ailus wrote: >> Sylwester Nawrocki wrote: >>> On 05/07/2011 02:46 PM, Hans Verkuil wrote: On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: > Hi, > > This is a fourth proposal for an interf

Re: [RFC v4] V4L2 API for flash devices

2011-05-16 Thread Sakari Ailus
Andy Walls wrote: > On Sat, 2011-05-07 at 14:46 +0200, Hans Verkuil wrote: >> On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: >>> >>> >>> enum v4l2_flash_strobe_whence { >>> V4L2_FLASH_STROBE_WHENCE_SOFTWARE, >>> V4L2_FLASH_STROBE_WHENCE_EXTERNAL, >>> }; >> >> Perhaps use 'type' inst

Re: [RFC v4] V4L2 API for flash devices

2011-05-14 Thread Andy Walls
On Sat, 2011-05-07 at 14:46 +0200, Hans Verkuil wrote: > On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: > > > > > > enum v4l2_flash_strobe_whence { > > V4L2_FLASH_STROBE_WHENCE_SOFTWARE, > > V4L2_FLASH_STROBE_WHENCE_EXTERNAL, > > }; > > Perhaps use 'type' instead of 'whence'? Engl

Re: [RFC v4] V4L2 API for flash devices

2011-05-10 Thread Sylwester Nawrocki
Hi Sakari, On 05/09/2011 12:11 AM, Sakari Ailus wrote: > Sylwester Nawrocki wrote: >> On 05/07/2011 02:46 PM, Hans Verkuil wrote: >>> On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: Hi, This is a fourth proposal for an interface for controlling flash devices on the V4L2/

Re: [RFC v4] V4L2 API for flash devices

2011-05-08 Thread Sakari Ailus
Sylwester Nawrocki wrote: > Hi Hans, Hi Sylwester, Hans, > On 05/07/2011 02:46 PM, Hans Verkuil wrote: >> On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: >>> Hi, >>> >>> This is a fourth proposal for an interface for controlling flash devices >>> on the V4L2/v4l2_subdev APIs. >>> >>> I wan

Re: [RFC v4] V4L2 API for flash devices

2011-05-08 Thread Sakari Ailus
Hans Verkuil wrote: [clip] >> V4L2_CID_FLASH_STROBE (button; wo; LED, xenon) >> >> Strobe the flash using software strobe from the host, typically over I2C >> or a GPIO. The flash is NOT synchronised to sensor pixel are exposure >> since the command is given asynchronously. Alternatively, if t

Re: [RFC v4] V4L2 API for flash devices

2011-05-07 Thread Sylwester Nawrocki
Hi Hans, On 05/07/2011 02:46 PM, Hans Verkuil wrote: On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: Hi, This is a fourth proposal for an interface for controlling flash devices on the V4L2/v4l2_subdev APIs. I want to thank everyone who have participated to the development of the flash

Re: [RFC v4] V4L2 API for flash devices

2011-05-07 Thread Hans Verkuil
On Thursday, May 05, 2011 20:49:21 Sakari Ailus wrote: > Hi, > > This is a fourth proposal for an interface for controlling flash devices > on the V4L2/v4l2_subdev APIs. > > I want to thank everyone who have participated to the development of the > flash interface. > > Comments and questions are