Re: [PATCH 2/3] platform/x86: ideapad-laptop: add fn_lock_get/set functions

From: Hans de Goede
Date: Mon Apr 08 2024 - 11:49:38 EST


Hi,

On 4/2/24 3:21 PM, Gergo Koteles wrote:
> The FnLock is retrieved and set in several places in the code.
>
> Move details into ideapad_fn_lock_get and ideapad_fn_lock_set functions.
>
> Signed-off-by: Gergo Koteles <soyer@xxxxxx>

> ---
> drivers/platform/x86/ideapad-laptop.c | 38 +++++++++++++++++++--------
> 1 file changed, 27 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
> index 901849810ce2..529df08af548 100644
> --- a/drivers/platform/x86/ideapad-laptop.c
> +++ b/drivers/platform/x86/ideapad-laptop.c
> @@ -513,11 +513,8 @@ static ssize_t fan_mode_store(struct device *dev,
>
> static DEVICE_ATTR_RW(fan_mode);
>
> -static ssize_t fn_lock_show(struct device *dev,
> - struct device_attribute *attr,
> - char *buf)
> +static int ideapad_fn_lock_get(struct ideapad_private *priv)
> {
> - struct ideapad_private *priv = dev_get_drvdata(dev);
> unsigned long hals;
> int err;
>
> @@ -525,7 +522,27 @@ static ssize_t fn_lock_show(struct device *dev,
> if (err)
> return err;
>
> - return sysfs_emit(buf, "%d\n", !!test_bit(HALS_FNLOCK_STATE_BIT, &hals));
> + return !!test_bit(HALS_FNLOCK_STATE_BIT, &hals);
> +}
> +
> +static int ideapad_fn_lock_set(struct ideapad_private *priv, bool state)
> +{
> + return exec_sals(priv->adev->handle,
> + state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);
> +}
> +
> +static ssize_t fn_lock_show(struct device *dev,
> + struct device_attribute *attr,
> + char *buf)
> +{
> + struct ideapad_private *priv = dev_get_drvdata(dev);
> + int brightness;
> +
> + brightness = ideapad_fn_lock_get(priv);
> + if (brightness < 0)
> + return brightness;
> +
> + return sysfs_emit(buf, "%d\n", brightness);
> }
>
> static ssize_t fn_lock_store(struct device *dev,
> @@ -540,7 +557,7 @@ static ssize_t fn_lock_store(struct device *dev,
> if (err)
> return err;
>
> - err = exec_sals(priv->adev->handle, state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);
> + err = ideapad_fn_lock_set(priv, state);
> if (err)
> return err;
>
> @@ -1709,7 +1726,6 @@ static void ideapad_wmi_notify(struct wmi_device *wdev, union acpi_object *data)
> {
> struct ideapad_wmi_private *wpriv = dev_get_drvdata(&wdev->dev);
> struct ideapad_private *priv;
> - unsigned long result;
>
> mutex_lock(&ideapad_shared_mutex);
>
> @@ -1722,11 +1738,11 @@ static void ideapad_wmi_notify(struct wmi_device *wdev, union acpi_object *data)
> ideapad_input_report(priv, 128);
> break;
> case IDEAPAD_WMI_EVENT_FN_KEYS:
> - if (priv->features.set_fn_lock_led &&
> - !eval_hals(priv->adev->handle, &result)) {
> - bool state = test_bit(HALS_FNLOCK_STATE_BIT, &result);
> + if (priv->features.set_fn_lock_led) {
> + int brightness = ideapad_fn_lock_get(priv);
>
> - exec_sals(priv->adev->handle, state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);
> + if (brightness >= 0)
> + ideapad_fn_lock_set(priv, brightness);
> }
>
> if (data->type != ACPI_TYPE_INTEGER) {