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| author | Luke D. Jones <luke@ljones.dev> | 2024-04-04 13:16:47 +1300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2024-04-08 18:30:27 +0200 |
| commit | e0ae0ecce4869f841ea7cb20fca1b2c865c13339 (patch) | |
| tree | d68ccecc30a76e17b32f73229a1bd3ddc75c5d9e /drivers/platform/x86/asus-wmi.c | |
| parent | ae834a549ec1d4cf372ffba1af1c14148807af55 (diff) | |
| download | linux-e0ae0ecce4869f841ea7cb20fca1b2c865c13339.tar.gz linux-e0ae0ecce4869f841ea7cb20fca1b2c865c13339.tar.bz2 linux-e0ae0ecce4869f841ea7cb20fca1b2c865c13339.zip | |
platform/x86: asus-wmi: support toggling POST sound
Add support for toggling the BIOS POST sound on some ASUS laptops.
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20240404001652.86207-5-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/asus-wmi.c')
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 113a80ae0efe..1dbe473294f7 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -2115,6 +2115,54 @@ static ssize_t panel_od_store(struct device *dev, } static DEVICE_ATTR_RW(panel_od); +/* Bootup sound ***************************************************************/ + +static ssize_t boot_sound_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_BOOT_SOUND); + if (result < 0) + return result; + + return sysfs_emit(buf, "%d\n", result); +} + +static ssize_t boot_sound_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int result, err; + u32 snd; + + struct asus_wmi *asus = dev_get_drvdata(dev); + + result = kstrtou32(buf, 10, &snd); + if (result) + return result; + + if (snd > 1) + return -EINVAL; + + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BOOT_SOUND, snd, &result); + if (err) { + pr_warn("Failed to set boot sound: %d\n", err); + return err; + } + + if (result > 1) { + pr_warn("Failed to set panel boot sound (result): 0x%x\n", result); + return -EIO; + } + + sysfs_notify(&asus->platform_device->dev.kobj, NULL, "boot_sound"); + + return count; +} +static DEVICE_ATTR_RW(boot_sound); + /* Mini-LED mode **************************************************************/ static ssize_t mini_led_mode_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -4207,6 +4255,7 @@ static struct attribute *platform_attributes[] = { &dev_attr_ppt_platform_sppt.attr, &dev_attr_nv_dynamic_boost.attr, &dev_attr_nv_temp_target.attr, + &dev_attr_boot_sound.attr, &dev_attr_panel_od.attr, &dev_attr_mini_led_mode.attr, &dev_attr_available_mini_led_mode.attr, @@ -4259,6 +4308,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, ok = asus->nv_dyn_boost_available; else if (attr == &dev_attr_nv_temp_target.attr) ok = asus->nv_temp_tgt_available; + else if (attr == &dev_attr_boot_sound.attr) + devid = ASUS_WMI_DEVID_BOOT_SOUND; else if (attr == &dev_attr_panel_od.attr) ok = asus->panel_overdrive_available; else if (attr == &dev_attr_mini_led_mode.attr) |