peaq-wmi on Lenovo ideapad 700-15ISK keeps sending KEY_SOUND, which makes user's repeated keys gets interrupted.
The system does not have Dolby button, let's blacklist it. BugLink: https://bugs.launchpad.net/bugs/1720219 Signed-off-by: Kai-Heng Feng <kai.heng.f...@canonical.com> --- drivers/platform/x86/peaq-wmi.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/peaq-wmi.c b/drivers/platform/x86/peaq-wmi.c index bc98ef95514a..5673d5daebc3 100644 --- a/drivers/platform/x86/peaq-wmi.c +++ b/drivers/platform/x86/peaq-wmi.c @@ -11,6 +11,7 @@ #include <linux/input-polldev.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/dmi.h> #define PEAQ_DOLBY_BUTTON_GUID "ABBC0F6F-8EA1-11D1-00A0-C90629100000" #define PEAQ_DOLBY_BUTTON_METHOD_ID 5 @@ -64,9 +65,22 @@ static void peaq_wmi_poll(struct input_polled_dev *dev) } } +static const struct dmi_system_id peaq_blacklist[] __initconst = { + { + /* Lenovo ideapad 700-15ISK does not have Dolby button */ + .ident = "Lenovo ideapad 700-15ISK", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "80RU"), + }, + }, + {} +}; + static int __init peaq_wmi_init(void) { - if (!wmi_has_guid(PEAQ_DOLBY_BUTTON_GUID)) + if (!wmi_has_guid(PEAQ_DOLBY_BUTTON_GUID) || + dmi_check_system(peaq_blacklist)) return -ENODEV; peaq_poll_dev = input_allocate_polled_device(); @@ -86,7 +100,8 @@ static int __init peaq_wmi_init(void) static void __exit peaq_wmi_exit(void) { - if (!wmi_has_guid(PEAQ_DOLBY_BUTTON_GUID)) + if (!wmi_has_guid(PEAQ_DOLBY_BUTTON_GUID) || + dmi_check_system(peaq_blacklist)) return; input_unregister_polled_device(peaq_poll_dev); -- 2.14.1
