On Mon, Mar 24, 2025 at 10:17:05AM -0700, Doug Anderson wrote:
> On Mon, Mar 24, 2025 at 9:40 AM Laurent Pinchart wrote:
> > On Tue, Mar 18, 2025 at 10:00:31PM +0100, Wolfram Sang wrote:
> > > Hi Laurent,
> > >
> > > > > Read out and check the ID registers, so we can bail out if I2C
> > > > > commu
Hi,
On Mon, Mar 24, 2025 at 10:31 AM Laurent Pinchart
wrote:
>
> On Mon, Mar 24, 2025 at 10:17:05AM -0700, Doug Anderson wrote:
> > On Mon, Mar 24, 2025 at 9:40 AM Laurent Pinchart wrote:
> > > On Tue, Mar 18, 2025 at 10:00:31PM +0100, Wolfram Sang wrote:
> > > > Hi Laurent,
> > > >
> > > > > > R
Hi,
On Mon, Mar 24, 2025 at 9:40 AM Laurent Pinchart
wrote:
>
> On Tue, Mar 18, 2025 at 10:00:31PM +0100, Wolfram Sang wrote:
> > Hi Laurent,
> >
> > > > Read out and check the ID registers, so we can bail out if I2C
> > > > communication does not work or if the device is unknown.
> > >
> > > Wha
On Tue, Mar 18, 2025 at 10:00:31PM +0100, Wolfram Sang wrote:
> Hi Laurent,
>
> > > Read out and check the ID registers, so we can bail out if I2C
> > > communication does not work or if the device is unknown.
> >
> > What's the advantage of that, what are you trying to guard against ?
>
> That
Hi,
On Tue, Mar 18, 2025 at 10:56 AM Doug Anderson wrote:
>
> Hi,
>
> On Tue, Mar 18, 2025 at 8:56 AM Wolfram Sang
> wrote:
> >
> > Read out and check the ID registers, so we can bail out if I2C
> > communication does not work or if the device is unknown. Tested on a
> > Renesas GrayHawk board (
Hi Laurent,
> > Read out and check the ID registers, so we can bail out if I2C
> > communication does not work or if the device is unknown.
>
> What's the advantage of that, what are you trying to guard against ?
That a random chip at address 0x2c will be used.
> > Tested on a
> > Renesas GrayH
Hi Wolfram,
Thank you for the patch.
On Tue, Mar 18, 2025 at 04:52:56PM +0100, Wolfram Sang wrote:
> Read out and check the ID registers, so we can bail out if I2C
> communication does not work or if the device is unknown.
What's the advantage of that, what are you trying to guard against ?
> T
Hi,
On Tue, Mar 18, 2025 at 8:56 AM Wolfram Sang
wrote:
>
> Read out and check the ID registers, so we can bail out if I2C
> communication does not work or if the device is unknown. Tested on a
> Renesas GrayHawk board (R-Car V4M) by using a wrong I2C address and by
> not enabling RuntimePM for t
On Tue, Mar 18, 2025 at 04:52:56PM +0100, Wolfram Sang wrote:
> Read out and check the ID registers, so we can bail out if I2C
> communication does not work or if the device is unknown. Tested on a
> Renesas GrayHawk board (R-Car V4M) by using a wrong I2C address and by
> not enabling RuntimePM for
