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Message-ID: <85a74259-6f52-34a0-af34-0217a088cc5b@mentor.com>
Date: Fri, 27 Mar 2020 20:09:13 +0900
From: "Wang, Jiada" <jiada_wang@...tor.com>
To: Dmitry Osipenko <digetx@...il.com>, <nick@...anahar.org>,
<dmitry.torokhov@...il.com>, <jikos@...nel.org>,
<benjamin.tissoires@...hat.com>, <bsz@...ihalf.com>,
<rydberg@...math.org>
CC: <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<erosca@...adit-jv.com>, <Andrew_Gabbasov@...tor.com>
Subject: Re: [PATCH v9 13/55] Input: atmel_mxt_ts - add regulator control
support
Hi Dmitry
On 2020/03/26 4:05, Dmitry Osipenko wrote:
> 25.03.2020 16:32, Jiada Wang пишет:
>> From: Nick Dyer <nick.dyer@...ev.co.uk>
>>
>> Allow the driver to optionally manage enabling/disable power to the touch
>> controller itself. If the regulators are not present then use the deep
>> sleep power mode instead.
>>
>> For a correct power on sequence, it is required that we have control over
>> the RESET line.
>
> ...
>> + data->reg_vdd = devm_regulator_get(dev, "vdd");
>> + if (IS_ERR(data->reg_vdd)) {
>> + error = PTR_ERR(data->reg_vdd);
>> + dev_err(dev, "Error %d getting vdd regulator\n", error);
>> + goto fail;
>> + }
>> +
>> + data->reg_avdd = devm_regulator_get(dev, "avdd");
>> + if (IS_ERR(data->reg_avdd)) {
>> + error = PTR_ERR(data->reg_avdd);
>> + dev_err(dev, "Error %d getting avdd regulator\n", error);
>> + goto fail_release;
>> + }
>
> Hello Jiada,
>
> The new regulator properties should be documented in the device-tree
> binding.
>
I will document new regulator properties in a separate commit in
v10 patch-set
Thanks,
Jiada
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