Input: exc3000 - add ACPI support for EXC80H60

EXC80H60 is used in Ambu aBox2 with ACPI _HID "EGA00001".

Snippet of from "apcidump -b; iasl ssdt2.dat" on target:

        Device (TPL2)
        {
            Name (HID2, Zero)
            Name (_HID, "EGA00001")  // _HID: Hardware ID
            Name (_CID, "PNP0C50" /* HID Protocol Device (I2C bus) */)
		// _CID: Compatible ID
            Name (_S0W, 0x04)  // _S0W: S0 Device Wake State
            Name (SBFB, ResourceTemplate ()

Signed-off-by: Andreas Helbech Kleist <andreaskleist@gmail.com>
Link: https://lore.kernel.org/r/20230705091817.1300928-1-andreaskleist@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/touchscreen/exc3000.c b/drivers/input/touchscreen/exc3000.c
index 4af4c1e5d0da25458f98439d09306b32bf114abe..66ed2eaa6dcb8d15b91395c6288d9d351374d3e4 100644 (file)
--- a/drivers/input/touchscreen/exc3000.c
+++ b/drivers/input/touchscreen/exc3000.c
@@ -7,6 +7,7 @@
  * minimal implementation based on egalax_ts.c and egalax_i2c.c
  */
 
+#include <linux/acpi.h>
 #include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/device.h>
@@ -454,10 +455,19 @@ static const struct of_device_id exc3000_of_match[] = {
 MODULE_DEVICE_TABLE(of, exc3000_of_match);
 #endif
 
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id exc3000_acpi_match[] = {
+       { "EGA00001", .driver_data = (kernel_ulong_t)&exc3000_info[EETI_EXC80H60] },
+       { }
+};
+MODULE_DEVICE_TABLE(acpi, exc3000_acpi_match);
+#endif
+
 static struct i2c_driver exc3000_driver = {
        .driver = {
                .name   = "exc3000",
                .of_match_table = of_match_ptr(exc3000_of_match),
+               .acpi_match_table = ACPI_PTR(exc3000_acpi_match),
        },
        .id_table       = exc3000_id,
        .probe          = exc3000_probe,