Re: [PATCH] acpi/x86: enable touchscreen on Dell Venue Pro 7139

From: Rafael J. Wysocki
Date: Thu Jul 05 2018 - 07:35:28 EST


On Sunday, June 10, 2018 12:18:06 AM CEST Tristian Celestin wrote:
> Permanently enable the SYNA7500 touchscreen device on the Dell
> Venue Pro 7139. The DSDT hides the touchscreen ACPI device on
> the 7139 in the same fashion as the 7130, and needs to
> be enabled in the same way.
>
> Signed-off-by: Tristian Celestin <tristiancelestin@xxxxxxxxxxxx>
> ---
> drivers/acpi/x86/utils.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
> index ec5b0f1..3a13b2a 100644
> --- a/drivers/acpi/x86/utils.c
> +++ b/drivers/acpi/x86/utils.c
> @@ -62,14 +62,20 @@ struct always_present_id {
> */
> ENTRY("INT0002", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), {}),
> /*
> - * On the Dell Venue 11 Pro 7130 the DSDT hides the touchscreen ACPI
> - * device until a certain time after _SB.PCI0.GFX0.LCD.LCD1._ON gets
> - * called has passed *and* _STA has been called at least 3 times since.
> + * On the Dell Venue 11 Pro 7130 and 7139, the DSDT hides
> + * the touchscreen ACPI device until a certain time
> + * after _SB.PCI0.GFX0.LCD.LCD1._ON gets called has passed
> + * *and* _STA has been called at least 3 times since.
> */
> ENTRY("SYNA7500", "1", ICPU(INTEL_FAM6_HASWELL_ULT), {
> DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"),
> }),
> + ENTRY("SYNA7500", "1", ICPU(INTEL_FAM6_HASWELL_ULT), {
> + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> + DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7139"),
> + }),
> +
> /*
> * The GPD win BIOS dated 20170221 has disabled the accelerometer, the
> * drivers sometimes cause crashes under Windows and this is how the
>

Applied, thanks!