From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: koba.ko@canonical.com, Mario Limonciello <mario.limonciello@dell.com>
Cc: "Matthew Garrett" <mjg59@srcf.ucam.org>,
"Pali Rohár" <pali.rohar@gmail.com>,
"Darren Hart" <dvhart@infradead.org>,
"Andy Shevchenko" <andy@infradead.org>,
"Platform Driver" <platform-driver-x86@vger.kernel.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] platform/x86: dell-laptop: don't register platform::micmute if the related tokens don't exist.
Date: Thu, 7 May 2020 13:41:42 +0300 [thread overview]
Message-ID: <CAHp75VeDFpjwZoNWj6SwvnHE70o4x+U9GnK-tbrFpK6fkBN7MA@mail.gmail.com> (raw)
In-Reply-To: <20200507094242.7523-1-koba.ko@canonical.com>
+Cc: Mario
On Thu, May 7, 2020 at 12:42 PM <koba.ko@canonical.com> wrote:
>
> From: Koba Ko <koba.ko@canonical.com>
>
> Error messge is issued,
> "platform::micmute: Setting an LED's brightness failed (-19)",
> Even the device isn't presented.
>
> Get the related tokens of SMBIOS, GLOBAL_MIC_MUTE_DISABLE/ENABLE.
> If one of two tokens doesn't exist, don't register platform::micmute.
>
What the exact platform you are experiencing that on?
> Signed-off-by: Koba Ko <koba.ko@canonical.com>
> ---
> drivers/platform/x86/dell-laptop.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
> index 1e46022fb2c5..afc1ded83e56 100644
> --- a/drivers/platform/x86/dell-laptop.c
> +++ b/drivers/platform/x86/dell-laptop.c
> @@ -2208,10 +2208,13 @@ static int __init dell_init(void)
>
> dell_laptop_register_notifier(&dell_laptop_notifier);
>
> - micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
> - ret = led_classdev_register(&platform_device->dev, &micmute_led_cdev);
> - if (ret < 0)
> - goto fail_led;
> + if (dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE) &&
> + dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE)) {
> + micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
> + ret = led_classdev_register(&platform_device->dev, &micmute_led_cdev);
> + if (ret < 0)
> + goto fail_led;
> + }
>
> if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
> return 0;
> --
> 2.17.1
>
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2020-05-07 10:41 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-07 9:42 [PATCH] platform/x86: dell-laptop: don't register platform::micmute if the related tokens don't exist koba.ko
2020-05-07 10:41 ` Andy Shevchenko [this message]
[not found] ` <CAJB-X+U9vOzKNt3Z-BzZrEJhyU0Gd_5rVM=yqfy3TZTWNn2_YA@mail.gmail.com>
2020-05-07 20:26 ` Mario.Limonciello
2020-05-07 20:26 ` Mario.Limonciello
[not found] ` <CAJB-X+UTzknY63mL2iY5mXNDYm9ohm2ZeQBdPDUBZ+MSkcUAFQ@mail.gmail.com>
2020-05-08 17:25 ` Mario.Limonciello
2020-05-08 17:25 ` Mario.Limonciello
2020-05-07 11:13 ` Pali Rohár
[not found] ` <CAJB-X+WKqrWuKK0=BWtj7f8AovsMzbCO-QaLi2ZaP0_Q6321WQ@mail.gmail.com>
2020-05-07 11:45 ` Pali Rohár
2020-05-07 12:54 ` Andy Shevchenko
2020-05-07 12:57 ` Pali Rohár
-- strict thread matches above, loose matches on Subject: below --
2020-05-11 1:16 koba.ko
2020-05-07 12:27 koba.ko
[not found] ` <CAJB-X+XwshJp1ud32kXxRGkE+8WdM+=e1MSewmOUvgERk2yGMw@mail.gmail.com>
2020-05-07 12:58 ` Andy Shevchenko
2020-05-07 20:11 ` Mario.Limonciello
2020-05-07 20:11 ` Mario.Limonciello
2020-05-07 8:49 koba.ko
2020-05-07 9:02 ` Andy Shevchenko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAHp75VeDFpjwZoNWj6SwvnHE70o4x+U9GnK-tbrFpK6fkBN7MA@mail.gmail.com \
--to=andy.shevchenko@gmail.com \
--cc=andy@infradead.org \
--cc=dvhart@infradead.org \
--cc=koba.ko@canonical.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mario.limonciello@dell.com \
--cc=mjg59@srcf.ucam.org \
--cc=pali.rohar@gmail.com \
--cc=platform-driver-x86@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.