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drivers/gpio_keys: Add label to set input device name 

Added the label field to the gpio_keys _DSD so that the kernel driver
can use a meaningful name instead of the generic _HID PRP0001.

BUG=b:184593945
BRANCH=puff
TEST=build image and verify with evtest on puff:
/dev/input/event3:	mic_mute_switch
UI event_device_info receives the proper name.

Change-Id: I0377851b9cf23bab31930aed6e7de91b4ac3505b
Signed-off-by: Ben Zhang <benzh@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54332
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Ben Zhang 2021-05-19 15:22:17 -04:00 committed by Tim Wawrzynczak
parent a7822774fc
commit e91422dd68
2 changed files with 4 additions and 0 deletions
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2
src/drivers/generic/gpio_keys/chip.h
View File

@ -74,6 +74,8 @@ struct key_info {
struct drivers_generic_gpio_keys_config {
/* Device name of the parent gpio-keys node */
const char *name;
/* Name of the input device - Optional */
const char *label;
/* GPIO line providing the key - Mandatory */
struct acpi_gpio gpio;
/* Is this a polled GPIO button? - Optional */

2
src/drivers/generic/gpio_keys/gpio_keys.c
View File

@ -76,6 +76,8 @@ static void gpio_keys_fill_ssdt_generator(const struct device *dev)
/* DSD */
dsd = acpi_dp_new_table("_DSD");
acpi_dp_add_string(dsd, "compatible", drv_string);
if (config->label)
acpi_dp_add_string(dsd, "label", config->label);
if (config->is_polled)
acpi_dp_add_integer(dsd, "poll-interval",
config->poll_interval);