Hi Laurent,
Am Mittwoch, den 04.06.2014, 16:49 +0200 schrieb Laurent Pinchart:
> Hi Philipp,
>
> Thank you for the patch.
>
> On Tuesday 03 June 2014 11:35:51 Philipp Zabel wrote:
> > According to the publicly available MT9V032 data sheet, the reset bits are
> > self clearing and the reset register always reads 0. The reset will be
> > asserted for 15 SYSCLK cycles. Instead of writing 0 to the register, wait
> > using ndelay.
>
> On the other hand, revision D of the datasheet states on page 71 ("Appendix A
> - Serial Configurations, Figure 46: Stand-Alone Topology") that the typical
> configuration of the sensor includes issuing a soft reset with
>
> 4. Issue a soft reset (set R0x0C[0] = 1 followed by R0x0C[0] = 0.
>
> I wonder whether it wouldn't be safer to keep the register write. Do you see
> any adverse effect of keeping it ?
No, writing 0 doesn't have any effect. Since the datasheet suggests
doing this, let's just drop this patch and keep the code as is.
regards
Philipp
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