Platform: x86: chromeos_laptop - Add Pixel Trackpad (8e1ad4c4) · Commits · 戴 / test

drivers/platform/x86/chromeos_laptop.c

+29 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,8 @@
		#include <linux/i2c.h>
		#include <linux/module.h>

		#define ATMEL_TP_I2C_ADDR 0x4b
		#define ATMEL_TP_I2C_BL_ADDR 0x25
		#define CYAPA_TP_I2C_ADDR 0x67
		#define ISL_ALS_I2C_ADDR 0x44
		#define TAOS_ALS_I2C_ADDR 0x29
		@@ -58,6 +60,12 @@ static struct i2c_board_info __initdata tsl2563_als_device = {
		I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR),
		};

		static struct i2c_board_info __initdata atmel_224s_tp_device = {
		I2C_BOARD_INFO("atmel_mxt_tp", ATMEL_TP_I2C_ADDR),
		.platform_data = NULL,
		.flags = I2C_CLIENT_WAKE,
		};

		static struct i2c_client __init *__add_probed_i2c_device(
		const char *name,
		int bus,
		@@ -161,6 +169,19 @@ static int __init setup_cyapa_smbus_tp(const struct dmi_system_id *id)
		return 0;
		}

		static int __init setup_atmel_224s_tp(const struct dmi_system_id *id)
		{
		const unsigned short addr_list[] = { ATMEL_TP_I2C_BL_ADDR,
		ATMEL_TP_I2C_ADDR,
		I2C_CLIENT_END };

		/* add atmel mxt touchpad on VGA DDC GMBus */
		tp = add_probed_i2c_device("trackpad", I2C_ADAPTER_VGADDC,
		&atmel_224s_tp_device, addr_list);
		return 0;
		}


		static int __init setup_isl29018_als(const struct dmi_system_id *id)
		{
		/* add isl29018 light sensor */
		@@ -191,6 +212,14 @@ static struct dmi_system_id __initdata chromeos_laptop_dmi_table[] = {
		},
		.callback = setup_cyapa_smbus_tp,
		},
		{
		.ident = "Chromebook Pixel - Touchpad",
		.matches = {
		DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
		DMI_MATCH(DMI_PRODUCT_NAME, "Link"),
		},
		.callback = setup_atmel_224s_tp,
		},
		{
		.ident = "Samsung Series 5 550 - Light Sensor",
		.matches = {