From: Dmitry Osipenko <digetx@gmail.com>
To: "Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
"Michał Mirosław" <mirq-linux@rere.qmqm.pl>
Cc: David Heidelberg <david@ixit.cz>,
Henrik Rydberg <rydberg@bitmath.org>,
James Chen <james.chen@emc.com.tw>,
Johnny Chuang <johnny.chuang@emc.com.tw>,
Rob Herring <robh+dt@kernel.org>,
Scott Liu <scott.liu@emc.com.tw>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 01/10] input: elants: document some registers and values
Date: Mon, 18 May 2020 12:18:05 +0300 [thread overview]
Message-ID: <c2a02c41-3474-583f-4f14-a81c8b5846cf@gmail.com> (raw)
In-Reply-To: <20200518040710.GQ89269@dtor-ws>
18.05.2020 07:07, Dmitry Torokhov пишет:
...
>> +/* FW write command, 0x54 0x?? 0x0, 0x01 */
>> +#define E_POWER_MODE_BATTERY 0x40
>> +#define E_POWER_MODE_AC 0x41
>> +#define E_POWER_MODE_USB 0x42
>
> What is this for?
It is possible to switch the touchscreen's power source. Downstream
kernel switches away from the battery source when USB cable is connected
and baterry is charging. This is not supported by upstream driver yet, I
guess it should be good to postpone adding these FW opcodes until they
will become actually needed.
next prev parent reply other threads:[~2020-05-18 9:18 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-26 17:47 [PATCH v5 00/10] input: elants: Support Asus TF300T touchscreen Michał Mirosław
2020-04-26 17:47 ` [PATCH v5 02/10] input: elants: support old touch report format Michał Mirosław
2020-04-26 17:47 ` [PATCH v5 01/10] input: elants: document some registers and values Michał Mirosław
2020-05-18 4:07 ` Dmitry Torokhov
2020-05-18 9:18 ` Dmitry Osipenko [this message]
2020-04-26 17:47 ` [PATCH v5 03/10] input: elants: remove unused axes Michał Mirosław
2020-04-26 18:34 ` Dmitry Osipenko
2020-05-18 3:39 ` Dmitry Torokhov
2020-04-26 17:47 ` [PATCH v5 04/10] input: elants: override touchscreen info with DT properties Michał Mirosław
2020-05-18 4:02 ` Dmitry Torokhov
2020-04-26 17:47 ` [PATCH v5 05/10] input: elants: refactor elants_i2c_execute_command() Michał Mirosław
2020-05-14 19:43 ` Dmitry Osipenko
2020-05-18 4:03 ` Dmitry Torokhov
2020-04-26 17:47 ` [PATCH v5 06/10] input: elants: read touchscreen size for EKTF3624 Michał Mirosław
2020-04-26 17:47 ` [PATCH v5 07/10] input: elants: support 0x66 reply opcode for reporting touches Michał Mirosław
2020-05-18 4:05 ` Dmitry Torokhov
2020-05-18 9:10 ` Dmitry Osipenko
2020-04-26 17:47 ` [PATCH v5 08/10] dt-bindings: input: elants-i2c: Document common touchscreen properties Michał Mirosław
2020-04-26 17:47 ` [PATCH v5 09/10] dt-bindings: input: elants-i2c: Document eKTF3624 Michał Mirosław
2020-04-26 17:47 ` [PATCH v5 10/10] dt-bindings: input: touchscreen: elants_i2c: convert to YAML Michał Mirosław
2020-05-14 19:45 ` [PATCH v5 00/10] input: elants: Support Asus TF300T touchscreen Dmitry Osipenko
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