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(2001-1c00-0c32-7800-5bfa-a036-83f0-f9ec.cable.dynamic.v6.ziggo.nl. [2001:1c00:c32:7800:5bfa:a036:83f0:f9ec]) by smtp.gmail.com with ESMTPSA id d20-20020a17090648d400b00993feabdc6asm2655498ejt.157.2023.07.12.07.48.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Jul 2023 07:48:24 -0700 (PDT) Message-ID: <43985ad2-401c-3632-c045-90049d600217@redhat.com> Date: Wed, 12 Jul 2023 16:48:23 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH v2 7/8] platform/x86: asus-wmi: support setting mini-LED mode Content-Language: en-US, nl To: "Luke D. Jones" Cc: corentin.chary@gmail.com, acpi4asus-user@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, markgross@kernel.org, jdelvare@suse.com, linux@roeck-us.net References: <20230630053552.976579-1-luke@ljones.dev> <20230630053552.976579-8-luke@ljones.dev> From: Hans de Goede In-Reply-To: <20230630053552.976579-8-luke@ljones.dev> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 6/30/23 07:35, Luke D. Jones wrote: > Support changing the mini-LED mode on some of the newer ASUS laptops. > > Signed-off-by: Luke D. Jones Thanks, patch looks good to me: Reviewed-by: Hans de Goede Regards, Hans > --- > .../ABI/testing/sysfs-platform-asus-wmi | 9 ++++ > drivers/platform/x86/asus-wmi.c | 53 +++++++++++++++++++ > include/linux/platform_data/x86/asus-wmi.h | 1 + > 3 files changed, 63 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi > index 878daf7c2036..5624bdef49cb 100644 > --- a/Documentation/ABI/testing/sysfs-platform-asus-wmi > +++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi > @@ -117,3 +117,12 @@ Description: > Show if the egpu (XG Mobile) is correctly connected: > * 0 - False, > * 1 - True > + > +What: /sys/devices/platform//mini_led_mode > +Date: Jun 2023 > +KernelVersion: 6.5 > +Contact: "Luke Jones" > +Description: > + Change the mini-LED mode: > + * 0 - Single-zone, > + * 1 - Multi-zone > diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c > index 602426a7fb41..1fc9e8afc2f3 100644 > --- a/drivers/platform/x86/asus-wmi.c > +++ b/drivers/platform/x86/asus-wmi.c > @@ -265,6 +265,7 @@ struct asus_wmi { > bool battery_rsoc_available; > > bool panel_overdrive_available; > + bool mini_led_mode_available; > > struct hotplug_slot hotplug_slot; > struct mutex hotplug_lock; > @@ -1820,6 +1821,54 @@ static ssize_t panel_od_store(struct device *dev, > } > static DEVICE_ATTR_RW(panel_od); > > +/* Mini-LED mode **************************************************************/ > +static ssize_t mini_led_mode_show(struct device *dev, > + struct device_attribute *attr, char *buf) > +{ > + struct asus_wmi *asus = dev_get_drvdata(dev); > + int result; > + > + result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_MINI_LED_MODE); > + if (result < 0) > + return result; > + > + return sysfs_emit(buf, "%d\n", result); > +} > + > +static ssize_t mini_led_mode_store(struct device *dev, > + struct device_attribute *attr, > + const char *buf, size_t count) > +{ > + int result, err; > + u32 mode; > + > + struct asus_wmi *asus = dev_get_drvdata(dev); > + > + result = kstrtou32(buf, 10, &mode); > + if (result) > + return result; > + > + if (mode > 1) > + return -EINVAL; > + > + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MINI_LED_MODE, mode, &result); > + > + if (err) { > + pr_warn("Failed to set mini-LED: %d\n", err); > + return err; > + } > + > + if (result > 1) { > + pr_warn("Failed to set mini-LED mode (result): 0x%x\n", result); > + return -EIO; > + } > + > + sysfs_notify(&asus->platform_device->dev.kobj, NULL, "mini_led_mode"); > + > + return count; > +} > +static DEVICE_ATTR_RW(mini_led_mode); > + > /* Quirks *********************************************************************/ > > static void asus_wmi_set_xusb2pr(struct asus_wmi *asus) > @@ -3727,6 +3776,7 @@ static struct attribute *platform_attributes[] = { > &dev_attr_fan_boost_mode.attr, > &dev_attr_throttle_thermal_policy.attr, > &dev_attr_panel_od.attr, > + &dev_attr_mini_led_mode.attr, > NULL > }; > > @@ -3764,6 +3814,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, > ok = asus->throttle_thermal_policy_available; > else if (attr == &dev_attr_panel_od.attr) > ok = asus->panel_overdrive_available; > + else if (attr == &dev_attr_mini_led_mode.attr) > + ok = asus->mini_led_mode_available; > > if (devid != -1) > ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); > @@ -4026,6 +4078,7 @@ static int asus_wmi_add(struct platform_device *pdev) > asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE); > asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE); > asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD); > + asus->mini_led_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE); > > err = fan_boost_mode_check_present(asus); > if (err) > diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h > index 2034648f8cdf..ea80361ac6c7 100644 > --- a/include/linux/platform_data/x86/asus-wmi.h > +++ b/include/linux/platform_data/x86/asus-wmi.h > @@ -66,6 +66,7 @@ > #define ASUS_WMI_DEVID_CAMERA 0x00060013 > #define ASUS_WMI_DEVID_LID_FLIP 0x00060062 > #define ASUS_WMI_DEVID_LID_FLIP_ROG 0x00060077 > +#define ASUS_WMI_DEVID_MINI_LED_MODE 0x0005001E > > /* Storage */ > #define ASUS_WMI_DEVID_CARDREADER 0x00080013