Hi Alex.
On Mon, Sep 28, 2020 at 12:35:01PM -0500, Alex G. wrote:
> On 9/26/20 1:49 PM, Sam Ravnborg wrote:
> > Hi Alexandru
> >
> > On Thu, Sep 24, 2020 at 03:05:05PM -0500, Alexandru Gagniuc wrote:
> > > On the SII9022, the IOVCC and CVCC12 supplies must reach the correct
> > > voltage before t
On 9/26/20 1:49 PM, Sam Ravnborg wrote:
Hi Alexandru
On Thu, Sep 24, 2020 at 03:05:05PM -0500, Alexandru Gagniuc wrote:
On the SII9022, the IOVCC and CVCC12 supplies must reach the correct
voltage before the reset sequence is initiated. On most boards, this
assumption is true at boot-up, so ini
Hi Alexandru
On Thu, Sep 24, 2020 at 03:05:05PM -0500, Alexandru Gagniuc wrote:
> On the SII9022, the IOVCC and CVCC12 supplies must reach the correct
> voltage before the reset sequence is initiated. On most boards, this
> assumption is true at boot-up, so initialization succeeds.
>
> However, w
On 9/24/20 3:22 PM, Fabio Estevam wrote:
Hi Fabio,
On Thu, Sep 24, 2020 at 5:16 PM Alexandru Gagniuc wrote:
+ ret = regulator_enable(sii902x->cvcc12);
+ if (ret < 0) {
+ dev_err(dev, "Failed to enable cvcc12 supply: %d\n", ret);
+ regulator_disable(sii9
Hi Alexandre,
On Thu, Sep 24, 2020 at 5:16 PM Alexandru Gagniuc wrote:
> + ret = regulator_enable(sii902x->cvcc12);
> + if (ret < 0) {
> + dev_err(dev, "Failed to enable cvcc12 supply: %d\n", ret);
> + regulator_disable(sii902x->iovcc);
> + r
On the SII9022, the IOVCC and CVCC12 supplies must reach the correct
voltage before the reset sequence is initiated. On most boards, this
assumption is true at boot-up, so initialization succeeds.
However, when we try to initialize the chip with incorrect supply
voltages, it will not respond to I2
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