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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-25 11:19:46 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-25 11:19:46 +0100
commit0f8b29fabacbcf0e617896c7ea832b7ea2ef2406 (patch)
tree0187f2baef24b5d78d94aecc7057356a36c58b5d /drivers/platform/x86/ideapad-laptop.c
parente71a8d5cf4b4f274740e31b601216071e2a11afa (diff)
parent6ee1d745b7c9fd573fba142a2efdad76a9f1cb04 (diff)
Merge 5.11-rc5 into tty-next
We need the fixes in here and this resolves a merge issue in drivers/tty/tty_io.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/platform/x86/ideapad-laptop.c')
-rw-r--r--drivers/platform/x86/ideapad-laptop.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 7598cd46cf60..5b81bafa5c16 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -92,6 +92,7 @@ struct ideapad_private {
struct dentry *debug;
unsigned long cfg;
bool has_hw_rfkill_switch;
+ bool has_touchpad_switch;
const char *fnesc_guid;
};
@@ -535,7 +536,9 @@ static umode_t ideapad_is_visible(struct kobject *kobj,
} else if (attr == &dev_attr_fn_lock.attr) {
supported = acpi_has_method(priv->adev->handle, "HALS") &&
acpi_has_method(priv->adev->handle, "SALS");
- } else
+ } else if (attr == &dev_attr_touchpad.attr)
+ supported = priv->has_touchpad_switch;
+ else
supported = true;
return supported ? attr->mode : 0;
@@ -867,6 +870,9 @@ static void ideapad_sync_touchpad_state(struct ideapad_private *priv)
{
unsigned long value;
+ if (!priv->has_touchpad_switch)
+ return;
+
/* Without reading from EC touchpad LED doesn't switch state */
if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) {
/* Some IdeaPads don't really turn off touchpad - they only
@@ -989,6 +995,9 @@ static int ideapad_acpi_add(struct platform_device *pdev)
priv->platform_device = pdev;
priv->has_hw_rfkill_switch = dmi_check_system(hw_rfkill_list);
+ /* Most ideapads with ELAN0634 touchpad don't use EC touchpad switch */
+ priv->has_touchpad_switch = !acpi_dev_present("ELAN0634", NULL, -1);
+
ret = ideapad_sysfs_init(priv);
if (ret)
return ret;
@@ -1006,6 +1015,10 @@ static int ideapad_acpi_add(struct platform_device *pdev)
if (!priv->has_hw_rfkill_switch)
write_ec_cmd(priv->adev->handle, VPCCMD_W_RF, 1);
+ /* The same for Touchpad */
+ if (!priv->has_touchpad_switch)
+ write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, 1);
+
for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg))
ideapad_register_rfkill(priv, i);