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Message-ID: <5d431db5-30dc-b51c-7abb-ab57a3de2f8f@redhat.com>
Date:   Wed, 3 Nov 2021 18:28:15 +0100
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Subject: Re: [PATCH v2 3/3] backlight: lp855x: Add support ACPI enumeration
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To:     Daniel Thompson <daniel.thompson@linaro.org>
Cc:     Lee Jones <lee.jones@linaro.org>,
        Jingoo Han <jingoohan1@gmail.com>,
        Tsuchiya Yuto <kitakar@gmail.com>,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
References: <20211102225504.18920-1-hdegoede@redhat.com>
 <20211102225504.18920-3-hdegoede@redhat.com>
 <20211103171756.wxthncse2f4syeiz@maple.lan>
From:   Hans de Goede <hdegoede@redhat.com>
In-Reply-To: <20211103171756.wxthncse2f4syeiz@maple.lan>
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Hi,

On 11/3/21 18:17, Daniel Thompson wrote:
> On Tue, Nov 02, 2021 at 11:55:04PM +0100, Hans de Goede wrote:
>> The Xiaomi Mi Pad 2 tablet uses an ACPI enumerated LP8556 backlight
>> controller for its LCD-panel, with a Xiaomi specific ACPI HID of
>> "XMCC0001", add support for this.
>>
>> Note the new "if (id)" check also fixes a NULL pointer deref when a user
>> tries to manually bind the driver from sysfs.
>>
>> When CONFIG_ACPI is disabled acpi_match_device() will always return NULL,
>> so the lp855x_parse_acpi() call will get optimized away.
>>
>> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> 
> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>

Thank you.

So what is the process for upstreaming backlight patches,
do these go through drm-misc-next (in that case I can push
the series myself), or will you pick these up ?

Regards,

Hans