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From: Hans de Goede <hdegoede@redhat.com>
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
Subject: Re: [PATCH v2 3/3] backlight: lp855x: Add support ACPI enumeration
Date: Wed, 3 Nov 2021 18:28:15 +0100	[thread overview]
Message-ID: <5d431db5-30dc-b51c-7abb-ab57a3de2f8f@redhat.com> (raw)
In-Reply-To: <20211103171756.wxthncse2f4syeiz@maple.lan>

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


  reply	other threads:[~2021-11-03 17:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-02 22:55 [PATCH v2 1/3] backlight: lp855x: Move device_config setting out of lp855x_configure() Hans de Goede
2021-11-02 22:55 ` [PATCH v2 2/3] backlight: lp855x: Add dev helper variable to lp855x_probe() Hans de Goede
2021-12-22 11:13   ` Lee Jones
2021-11-02 22:55 ` [PATCH v2 3/3] backlight: lp855x: Add support ACPI enumeration Hans de Goede
2021-11-03 17:17   ` Daniel Thompson
2021-11-03 17:28     ` Hans de Goede [this message]
2021-11-03 17:31       ` Daniel Thompson
2021-11-03 17:34         ` Hans de Goede
2021-11-04  8:29         ` Lee Jones
2021-11-04  8:53           ` Hans de Goede
2021-12-22 11:14   ` Lee Jones
2021-12-22 11:13 ` [PATCH v2 1/3] backlight: lp855x: Move device_config setting out of lp855x_configure() Lee Jones

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