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bdk: touch: add clone support

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From LCD on OLED sku.
This commit is contained in:
CTCaer
2026-02-22 08:51:54 +02:00
parent b2116ded8a
commit 1b8aa8a97b
2 changed files with 14 additions and 7 deletions
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10
bdk/input/touch.c
View File

@@ -163,8 +163,9 @@ static int _touch_parse_input_event(touch_event_t *event)
int touch_poll(touch_event_t *event)
{
int res = i2c_recv_buf_big(event->raw, FTS4_EVENT_SIZE, I2C_3, FTS4_I2C_ADDR, FTS4_CMD_LATEST_EVENT);
u8 cmd = !_touch_info.clone ? FTS4_CMD_LATEST_EVENT : FTS4_CMD_READ_ONE_EVENT;
int res = i2c_recv_buf_big(event->raw, FTS4_EVENT_SIZE, I2C_3, FTS4_I2C_ADDR, cmd);
if (!res)
res = _touch_parse_input_event(event);
@@ -188,6 +189,11 @@ touch_info_t *touch_get_chip_info()
_touch_info.config_id = buf[5];
_touch_info.config_ver = buf[6];
// Validate that device is genuine or proper.
cmd[2] = 2;
_touch_read_reg(cmd, sizeof(cmd), buf, sizeof(buf));
_touch_info.clone = _touch_info.chip_id != (buf[3] << 8 | buf[4]);
exit:
return &_touch_info;
}
@@ -269,7 +275,7 @@ int touch_panel_ito_test(u8 *err)
{
// Check that touch IC is supported.
touch_info_t *info = touch_get_chip_info();
if (info->chip_id != FTS4_I2C_CHIP_ID)
if (info->chip_id != FTS4_I2C_CHIP_ID || info->clone)
return 1;
// Reset touchscreen module.

11
bdk/input/touch.h
View File

@@ -31,7 +31,7 @@
#define FTS4_CMD_READ_STATUS 0x84
#define FTS4_CMD_READ_ONE_EVENT 0x85
#define FTS4_CMD_READ_ALL_EVENT 0x86
#define FTS4_CMD_LATEST_EVENT 0x87
#define FTS4_CMD_LATEST_EVENT 0x87 // Clears event stack.
#define FTS4_CMD_SLEEP_IN 0x90
#define FTS4_CMD_SLEEP_OUT 0x91
#define FTS4_CMD_MS_MT_SENSE_OFF 0x92
@@ -156,10 +156,11 @@ typedef struct _touch_panel_info_t
} touch_panel_info_t;
typedef struct _touch_info_t {
u16 chip_id;
u16 fw_ver;
u16 config_id;
u16 config_ver;
u16 chip_id;
u16 fw_ver;
u16 config_id;
u16 config_ver;
bool clone;
} touch_info_t;
typedef struct _touch_fw_info_t {