[PATCH v4 2/2] HID: i2c-hid: elan: Add elan-ekth6a12nay timing

Zhaoxiong Lv lvzhaoxiong at huaqin.corp-partner.google.com
Mon Jul 22 07:31:36 UTC 2024


Elan-ekth6a12nay requires reset to pull down time greater than 10ms,
so the configuration post_power_delay_ms is 10, and the chipset
initial time is required to be greater than 300ms,
so the post_gpio_reset_on_delay_ms is set to 300.

Reviewed-by: Douglas Anderson <dianders at chromium.org>
Signed-off-by: Zhaoxiong Lv <lvzhaoxiong at huaqin.corp-partner.google.com>
---
Changes between V4 and V3:
-  1. No changes.
v3: https://lore.kernel.org/all/20240716082851.18173-3-lvzhaoxiong@huaqin.corp-partner.google.com/

Changes between V3 and V2:
-  1. No changes.
v2: https://lore.kernel.org/all/20240715073159.25064-3-lvzhaoxiong@huaqin.corp-partner.google.com/

Changes between V2 and V1:
-  1. No changes.
v1: https://lore.kernel.org/all/20240704085555.11204-3-lvzhaoxiong@huaqin.corp-partner.google.com/
---
 drivers/hid/i2c-hid/i2c-hid-of-elan.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/hid/i2c-hid/i2c-hid-of-elan.c b/drivers/hid/i2c-hid/i2c-hid-of-elan.c
index 091e37933225..3fcff6daa0d3 100644
--- a/drivers/hid/i2c-hid/i2c-hid-of-elan.c
+++ b/drivers/hid/i2c-hid/i2c-hid-of-elan.c
@@ -152,6 +152,13 @@ static const struct elan_i2c_hid_chip_data elan_ekth6915_chip_data = {
 	.main_supply_name = "vcc33",
 };
 
+static const struct elan_i2c_hid_chip_data elan_ekth6a12nay_chip_data = {
+	.post_power_delay_ms = 10,
+	.post_gpio_reset_on_delay_ms = 300,
+	.hid_descriptor_address = 0x0001,
+	.main_supply_name = "vcc33",
+};
+
 static const struct elan_i2c_hid_chip_data ilitek_ili9882t_chip_data = {
 	.post_power_delay_ms = 1,
 	.post_gpio_reset_on_delay_ms = 200,
@@ -174,6 +181,7 @@ static const struct elan_i2c_hid_chip_data ilitek_ili2901_chip_data = {
 
 static const struct of_device_id elan_i2c_hid_of_match[] = {
 	{ .compatible = "elan,ekth6915", .data = &elan_ekth6915_chip_data },
+	{ .compatible = "elan,ekth6a12nay", .data = &elan_ekth6a12nay_chip_data },
 	{ .compatible = "ilitek,ili9882t", .data = &ilitek_ili9882t_chip_data },
 	{ .compatible = "ilitek,ili2901", .data = &ilitek_ili2901_chip_data },
 	{ }
-- 
2.17.1



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