diff options
| -rw-r--r-- | drivers/input/touchscreen/edt-ft5x06.c | 424 |
1 files changed, 214 insertions, 210 deletions
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 89958881fca1..8aae4c1e6b73 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -3,6 +3,7 @@ * Copyright (C) 2012 Simon Budig, <simon.budig@kernelconcepts.de> * Daniel Wagener <daniel.wagener@kernelconcepts.de> (M09 firmware support) * Lothar Waßmann <LW@KARO-electronics.de> (DT support) + * Dario Binacchi <dario.binacchi@amarulasolutions.com> (regmap support) */ /* @@ -26,6 +27,7 @@ #include <linux/module.h> #include <linux/property.h> #include <linux/ratelimit.h> +#include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/uaccess.h> @@ -115,6 +117,8 @@ struct edt_ft5x06_ts_data { struct gpio_desc *reset_gpio; struct gpio_desc *wake_gpio; + struct regmap *regmap; + #if defined(CONFIG_DEBUG_FS) struct dentry *debug_dir; u8 *raw_buffer; @@ -145,37 +149,10 @@ struct edt_i2c_chip_data { int max_support_points; }; -static int edt_ft5x06_ts_readwrite(struct i2c_client *client, - u16 wr_len, u8 *wr_buf, - u16 rd_len, u8 *rd_buf) -{ - struct i2c_msg wrmsg[2]; - int i = 0; - int ret; - - if (wr_len) { - wrmsg[i].addr = client->addr; - wrmsg[i].flags = 0; - wrmsg[i].len = wr_len; - wrmsg[i].buf = wr_buf; - i++; - } - if (rd_len) { - wrmsg[i].addr = client->addr; - wrmsg[i].flags = I2C_M_RD; - wrmsg[i].len = rd_len; - wrmsg[i].buf = rd_buf; - i++; - } - - ret = i2c_transfer(client->adapter, wrmsg, i); - if (ret < 0) - return ret; - if (ret != i) - return -EIO; - - return 0; -} +static const struct regmap_config edt_ft5x06_i2c_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; static bool edt_ft5x06_ts_check_crc(struct edt_ft5x06_ts_data *tsdata, u8 *buf, int buflen) @@ -197,6 +174,127 @@ static bool edt_ft5x06_ts_check_crc(struct edt_ft5x06_ts_data *tsdata, return true; } +static int edt_M06_i2c_read(void *context, const void *reg_buf, size_t reg_size, + void *val_buf, size_t val_size) +{ + struct device *dev = context; + struct i2c_client *i2c = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(i2c); + struct i2c_msg xfer[2]; + bool reg_read = false; + u8 addr; + u8 wlen; + u8 wbuf[4], rbuf[3]; + int ret; + + addr = *((u8 *)reg_buf); + wbuf[0] = addr; + switch (addr) { + case 0xf5: + wlen = 3; + wbuf[0] = 0xf5; + wbuf[1] = 0xe; + wbuf[2] = *((u8 *)val_buf); + break; + case 0xf9: + wlen = 1; + break; + default: + wlen = 2; + reg_read = true; + wbuf[0] = M06_REG_CMD(tsdata->factory_mode); + wbuf[1] = M06_REG_ADDR(tsdata->factory_mode, addr); + wbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40; + } + + xfer[0].addr = i2c->addr; + xfer[0].flags = 0; + xfer[0].len = wlen; + xfer[0].buf = wbuf; + + xfer[1].addr = i2c->addr; + xfer[1].flags = I2C_M_RD; + xfer[1].len = reg_read ? 2 : val_size; + xfer[1].buf = reg_read ? rbuf : val_buf; + + ret = i2c_transfer(i2c->adapter, xfer, 2); + if (ret != 2) { + if (ret < 0) + return ret; + + return -EIO; + } + + if (addr == 0xf9) { + u8 *buf = (u8 *)val_buf; + + if (buf[0] != 0xaa || buf[1] != 0xaa || + buf[2] != val_size) { + tsdata->header_errors++; + dev_err_ratelimited(dev, + "Unexpected header: %02x%02x%02x\n", + buf[0], buf[1], buf[2]); + return -EIO; + } + + if (!edt_ft5x06_ts_check_crc(tsdata, val_buf, val_size)) + return -EIO; + } else if (reg_read) { + u8 crc = wbuf[0] ^ wbuf[1] ^ rbuf[0]; + + if (crc != rbuf[1]) { + dev_err(dev, "crc error: 0x%02x expected, got 0x%02x\n", + crc, rbuf[1]); + return -EIO; + } + + *((u8 *)val_buf) = rbuf[0]; + } + + return 0; +} + +static int edt_M06_i2c_write(void *context, const void *data, size_t count) +{ + struct device *dev = context; + struct i2c_client *i2c = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(i2c); + u8 addr, val; + u8 wbuf[4]; + struct i2c_msg xfer; + int ret; + + addr = *((u8 *)data); + val = *((u8 *)data + 1); + + wbuf[0] = M06_REG_CMD(tsdata->factory_mode); + wbuf[1] = M06_REG_ADDR(tsdata->factory_mode, addr); + wbuf[2] = val; + wbuf[3] = wbuf[0] ^ wbuf[1] ^ wbuf[2]; + + xfer.addr = i2c->addr; + xfer.flags = 0; + xfer.len = 4; + xfer.buf = wbuf; + + ret = i2c_transfer(i2c->adapter, &xfer, 1); + if (ret != 1) { + if (ret < 0) + return ret; + + return -EIO; + } + + return 0; +} + +static const struct regmap_config edt_M06_i2c_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .read = edt_M06_i2c_read, + .write = edt_M06_i2c_write, +}; + static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id) { struct edt_ft5x06_ts_data *tsdata = dev_id; @@ -232,30 +330,13 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id) memset(rdbuf, 0, sizeof(rdbuf)); datalen = tplen * tsdata->max_support_points + offset + crclen; - error = edt_ft5x06_ts_readwrite(tsdata->client, - sizeof(cmd), &cmd, - datalen, rdbuf); + error = regmap_bulk_read(tsdata->regmap, cmd, rdbuf, datalen); if (error) { dev_err_ratelimited(dev, "Unable to fetch data, error: %d\n", error); goto out; } - /* M09/M12 does not send header or CRC */ - if (tsdata->version == EDT_M06) { - if (rdbuf[0] != 0xaa || rdbuf[1] != 0xaa || - rdbuf[2] != datalen) { - tsdata->header_errors++; - dev_err_ratelimited(dev, - "Unexpected header: %02x%02x%02x!\n", - rdbuf[0], rdbuf[1], rdbuf[2]); - goto out; - } - - if (!edt_ft5x06_ts_check_crc(tsdata, rdbuf, datalen)) - goto out; - } - for (i = 0; i < tsdata->max_support_points; i++) { u8 *buf = &rdbuf[i * tplen + offset]; @@ -290,79 +371,6 @@ out: return IRQ_HANDLED; } -static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata, - u8 addr, u8 value) -{ - u8 wrbuf[4]; - - switch (tsdata->version) { - case EDT_M06: - wrbuf[0] = M06_REG_CMD(tsdata->factory_mode); - wrbuf[1] = M06_REG_ADDR(tsdata->factory_mode, addr); - wrbuf[2] = value; - wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2]; - return edt_ft5x06_ts_readwrite(tsdata->client, 4, - wrbuf, 0, NULL); - - case EDT_M09: - case EDT_M12: - case EV_FT: - case GENERIC_FT: - wrbuf[0] = addr; - wrbuf[1] = value; - - return edt_ft5x06_ts_readwrite(tsdata->client, 2, - wrbuf, 0, NULL); - - default: - return -EINVAL; - } -} - -static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata, - u8 addr) -{ - u8 wrbuf[2], rdbuf[2], crc; - int error; - - switch (tsdata->version) { - case EDT_M06: - wrbuf[0] = M06_REG_CMD(tsdata->factory_mode); - wrbuf[1] = M06_REG_ADDR(tsdata->factory_mode, addr); - wrbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40; - - error = edt_ft5x06_ts_readwrite(tsdata->client, 2, wrbuf, 2, - rdbuf); - if (error) - return error; - - crc = wrbuf[0] ^ wrbuf[1] ^ rdbuf[0]; - if (crc != rdbuf[1]) { - dev_err(&tsdata->client->dev, - "crc error: 0x%02x expected, got 0x%02x\n", - crc, rdbuf[1]); - return -EIO; - } - break; - - case EDT_M09: - case EDT_M12: - case EV_FT: - case GENERIC_FT: - wrbuf[0] = addr; - error = edt_ft5x06_ts_readwrite(tsdata->client, 1, - wrbuf, 1, rdbuf); - if (error) - return error; - break; - - default: - return -EINVAL; - } - - return rdbuf[0]; -} - struct edt_ft5x06_attribute { struct device_attribute dattr; size_t field_offset; @@ -396,7 +404,7 @@ static ssize_t edt_ft5x06_setting_show(struct device *dev, struct edt_ft5x06_attribute *attr = container_of(dattr, struct edt_ft5x06_attribute, dattr); u8 *field = (u8 *)tsdata + attr->field_offset; - int val; + unsigned int val; size_t count = 0; int error = 0; u8 addr; @@ -429,9 +437,8 @@ static ssize_t edt_ft5x06_setting_show(struct device *dev, } if (addr != NO_REGISTER) { - val = edt_ft5x06_register_read(tsdata, addr); - if (val < 0) { - error = val; + error = regmap_read(tsdata->regmap, addr, &val); + if (error) { dev_err(&tsdata->client->dev, "Failed to fetch attribute %s, error %d\n", dattr->attr.name, error); @@ -504,7 +511,7 @@ static ssize_t edt_ft5x06_setting_store(struct device *dev, } if (addr != NO_REGISTER) { - error = edt_ft5x06_register_write(tsdata, addr, val); + error = regmap_write(tsdata->regmap, addr, val); if (error) { dev_err(&tsdata->client->dev, "Failed to update attribute %s, error: %d\n", @@ -605,23 +612,19 @@ static const struct attribute_group edt_ft5x06_attr_group = { static void edt_ft5x06_restore_reg_parameters(struct edt_ft5x06_ts_data *tsdata) { struct edt_reg_addr *reg_addr = &tsdata->reg_addr; + struct regmap *regmap = tsdata->regmap; - edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold, - tsdata->threshold); - edt_ft5x06_register_write(tsdata, reg_addr->reg_gain, - tsdata->gain); + regmap_write(regmap, reg_addr->reg_threshold, tsdata->threshold); + regmap_write(regmap, reg_addr->reg_gain, tsdata->gain); if (reg_addr->reg_offset != NO_REGISTER) - edt_ft5x06_register_write(tsdata, reg_addr->reg_offset, - tsdata->offset); + regmap_write(regmap, reg_addr->reg_offset, tsdata->offset); if (reg_addr->reg_offset_x != NO_REGISTER) - edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_x, - tsdata->offset_x); + regmap_write(regmap, reg_addr->reg_offset_x, tsdata->offset_x); if (reg_addr->reg_offset_y != NO_REGISTER) - edt_ft5x06_register_write(tsdata, reg_addr->reg_offset_y, - tsdata->offset_y); + regmap_write(regmap, reg_addr->reg_offset_y, tsdata->offset_y); if (reg_addr->reg_report_rate != NO_REGISTER) - edt_ft5x06_register_write(tsdata, reg_addr->reg_report_rate, - tsdata->report_rate); + regmap_write(regmap, reg_addr->reg_report_rate, + tsdata->report_rate); } #ifdef CONFIG_DEBUG_FS @@ -629,7 +632,7 @@ static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata) { struct i2c_client *client = tsdata->client; int retries = EDT_SWITCH_MODE_RETRIES; - int ret; + unsigned int val; int error; if (tsdata->version != EDT_M06) { @@ -651,7 +654,7 @@ static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata) } /* mode register is 0x3c when in the work mode */ - error = edt_ft5x06_register_write(tsdata, WORK_REGISTER_OPMODE, 0x03); + error = regmap_write(tsdata->regmap, WORK_REGISTER_OPMODE, 0x03); if (error) { dev_err(&client->dev, "failed to switch to factory mode, error %d\n", error); @@ -662,8 +665,9 @@ static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata) do { mdelay(EDT_SWITCH_MODE_DELAY); /* mode register is 0x01 when in factory mode */ - ret = edt_ft5x06_register_read(tsdata, FACTORY_REGISTER_OPMODE); - if (ret == 0x03) + error = regmap_read(tsdata->regmap, FACTORY_REGISTER_OPMODE, + &val); + if (!error && val == 0x03) break; } while (--retries > 0); @@ -689,11 +693,11 @@ static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata) { struct i2c_client *client = tsdata->client; int retries = EDT_SWITCH_MODE_RETRIES; - int ret; + unsigned int val; int error; /* mode register is 0x01 when in the factory mode */ - error = edt_ft5x06_register_write(tsdata, FACTORY_REGISTER_OPMODE, 0x1); + error = regmap_write(tsdata->regmap, FACTORY_REGISTER_OPMODE, 0x1); if (error) { dev_err(&client->dev, "failed to switch to work mode, error: %d\n", error); @@ -705,8 +709,8 @@ static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata) do { mdelay(EDT_SWITCH_MODE_DELAY); /* mode register is 0x01 when in factory mode */ - ret = edt_ft5x06_register_read(tsdata, WORK_REGISTER_OPMODE); - if (ret == 0x01) + error = regmap_read(tsdata->regmap, WORK_REGISTER_OPMODE, &val); + if (!error && val == 0x01) break; } while (--retries > 0); @@ -765,10 +769,10 @@ static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file, struct edt_ft5x06_ts_data *tsdata = file->private_data; struct i2c_client *client = tsdata->client; int retries = EDT_RAW_DATA_RETRIES; - int val, i, error; + unsigned int val; + int i, error; size_t read = 0; int colbytes; - char wrbuf[3]; u8 *rdbuf; if (*off < 0 || *off >= tsdata->raw_bufsize) @@ -781,7 +785,7 @@ static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file, goto out; } - error = edt_ft5x06_register_write(tsdata, 0x08, 0x01); + error = regmap_write(tsdata->regmap, 0x08, 0x01); if (error) { dev_err(&client->dev, "failed to write 0x08 register, error %d\n", error); @@ -790,18 +794,18 @@ static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file, do { usleep_range(EDT_RAW_DATA_DELAY, EDT_RAW_DATA_DELAY + 100); - val = edt_ft5x06_register_read(tsdata, 0x08); - if (val < 1) + error = regmap_read(tsdata->regmap, 0x08, &val); + if (error) { + dev_err(&client->dev, + "failed to read 0x08 register, error %d\n", + error); + goto out; + } + + if (val == 1) break; } while (--retries > 0); - if (val < 0) { - error = val; - dev_err(&client->dev, - "failed to read 0x08 register, error %d\n", error); - goto out; - } - if (retries == 0) { dev_err(&client->dev, "timed out waiting for register to settle\n"); @@ -812,13 +816,9 @@ static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file, rdbuf = tsdata->raw_buffer; colbytes = tsdata->num_y * sizeof(u16); - wrbuf[0] = 0xf5; - wrbuf[1] = 0x0e; for (i = 0; i < tsdata->num_x; i++) { - wrbuf[2] = i; /* column index */ - error = edt_ft5x06_ts_readwrite(tsdata->client, - sizeof(wrbuf), wrbuf, - colbytes, rdbuf); + rdbuf[0] = i; /* column index */ + error = regmap_bulk_read(tsdata->regmap, 0xf5, rdbuf, colbytes); if (error) goto out; @@ -894,8 +894,7 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client, * to have garbage in there */ memset(rdbuf, 0, sizeof(rdbuf)); - error = edt_ft5x06_ts_readwrite(client, 1, "\xBB", - EDT_NAME_LEN - 1, rdbuf); + error = regmap_bulk_read(tsdata->regmap, 0xBB, rdbuf, EDT_NAME_LEN - 1); if (error) return error; @@ -917,6 +916,14 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client, *p++ = '\0'; strscpy(model_name, rdbuf + 1, EDT_NAME_LEN); strscpy(fw_version, p ? p : "", EDT_NAME_LEN); + + regmap_exit(tsdata->regmap); + tsdata->regmap = regmap_init_i2c(client, + &edt_M06_i2c_regmap_config); + if (IS_ERR(tsdata->regmap)) { + dev_err(&client->dev, "regmap allocation failed\n"); + return PTR_ERR(tsdata->regmap); + } } else if (!strncasecmp(rdbuf, "EP0", 3)) { tsdata->version = EDT_M12; @@ -943,15 +950,13 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client, */ tsdata->version = GENERIC_FT; - error = edt_ft5x06_ts_readwrite(client, 1, "\xA6", - 2, rdbuf); + error = regmap_bulk_read(tsdata->regmap, 0xA6, rdbuf, 2); if (error) return error; strscpy(fw_version, rdbuf, 2); - error = edt_ft5x06_ts_readwrite(client, 1, "\xA8", - 1, rdbuf); + error = regmap_bulk_read(tsdata->regmap, 0xA8, rdbuf, 1); if (error) return error; @@ -980,8 +985,7 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client, break; case 0x59: /* Evervision Display with FT5xx6 TS */ tsdata->version = EV_FT; - error = edt_ft5x06_ts_readwrite(client, 1, "\x53", - 1, rdbuf); + error = regmap_bulk_read(tsdata->regmap, 0x53, rdbuf, 1); if (error) return error; strscpy(fw_version, rdbuf, 1); @@ -1003,42 +1007,40 @@ static void edt_ft5x06_ts_get_defaults(struct device *dev, struct edt_ft5x06_ts_data *tsdata) { struct edt_reg_addr *reg_addr = &tsdata->reg_addr; + struct regmap *regmap = tsdata->regmap; u32 val; int error; error = device_property_read_u32(dev, "threshold", &val); if (!error) { - edt_ft5x06_register_write(tsdata, reg_addr->reg_threshold, val); + regmap_write(regmap, reg_addr->reg_threshold, val); tsdata->threshold = val; } error = device_property_read_u32(dev, "gain", &val); if (!error) { - edt_ft5x06_register_write(tsdata, reg_addr->reg_gain, val); + regmap_write(regmap, reg_addr->reg_gain, val); tsdata->gain = val; } error = device_property_read_u32(dev, "offset", &val); if (!error) { if (reg_addr->reg_offset != NO_REGISTER) - edt_ft5x06_register_write(tsdata, - reg_addr->reg_offset, val); + regmap_write(regmap, reg_addr->reg_offset, val); tsdata->offset = val; } error = device_property_read_u32(dev, "offset-x", &val); if (!error) { if (reg_addr->reg_offset_x != NO_REGISTER) - edt_ft5x06_register_write(tsdata, - reg_addr->reg_offset_x, val); + regmap_write(regmap, reg_addr->reg_offset_x, val); tsdata->offset_x = val; } error = device_property_read_u32(dev, "offset-y", &val); if (!error) { if (reg_addr->reg_offset_y != NO_REGISTER) - edt_ft5x06_register_write(tsdata, - reg_addr->reg_offset_y, val); + regmap_write(regmap, reg_addr->reg_offset_y, val); tsdata->offset_y = val; } } @@ -1046,33 +1048,30 @@ static void edt_ft5x06_ts_get_defaults(struct device *dev, static void edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata) { struct edt_reg_addr *reg_addr = &tsdata->reg_addr; + struct regmap *regmap = tsdata->regmap; + unsigned int val; - tsdata->threshold = edt_ft5x06_register_read(tsdata, - reg_addr->reg_threshold); - tsdata->gain = edt_ft5x06_register_read(tsdata, reg_addr->reg_gain); + regmap_read(regmap, reg_addr->reg_threshold, &tsdata->threshold); + regmap_read(regmap, reg_addr->reg_gain, &tsdata->gain); if (reg_addr->reg_offset != NO_REGISTER) - tsdata->offset = - edt_ft5x06_register_read(tsdata, reg_addr->reg_offset); + regmap_read(regmap, reg_addr->reg_offset, &tsdata->offset); if (reg_addr->reg_offset_x != NO_REGISTER) - tsdata->offset_x = - edt_ft5x06_register_read(tsdata, - reg_addr->reg_offset_x); + regmap_read(regmap, reg_addr->reg_offset_x, &tsdata->offset_x); if (reg_addr->reg_offset_y != NO_REGISTER) - tsdata->offset_y = - edt_ft5x06_register_read(tsdata, - reg_addr->reg_offset_y); + regmap_read(regmap, reg_addr->reg_offset_y, &tsdata->offset_y); if (reg_addr->reg_report_rate != NO_REGISTER) - tsdata->report_rate = - edt_ft5x06_register_read(tsdata, - reg_addr->reg_report_rate); + regmap_read(regmap, reg_addr->reg_report_rate, + &tsdata->report_rate); tsdata->num_x = EDT_DEFAULT_NUM_X; - if (reg_addr->reg_num_x != NO_REGISTER) - tsdata->num_x = edt_ft5x06_register_read(tsdata, - reg_addr->reg_num_x); + if (reg_addr->reg_num_x != NO_REGISTER) { + if (!regmap_read(regmap, reg_addr->reg_num_x, &val)) + tsdata->num_x = val; + } tsdata->num_y = EDT_DEFAULT_NUM_Y; - if (reg_addr->reg_num_y != NO_REGISTER) - tsdata->num_y = edt_ft5x06_register_read(tsdata, - reg_addr->reg_num_y); + if (reg_addr->reg_num_y != NO_REGISTER) { + if (!regmap_read(regmap, reg_addr->reg_num_y, &val)) + tsdata->num_y = val; + } } static void edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata) @@ -1142,7 +1141,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client) const struct i2c_device_id *id = i2c_client_get_device_id(client); const struct edt_i2c_chip_data *chip_data; struct edt_ft5x06_ts_data *tsdata; - u8 buf[2] = { 0xfc, 0x00 }; + unsigned int val; struct input_dev *input; unsigned long irq_flags; int error; @@ -1156,6 +1155,12 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client) return -ENOMEM; } + tsdata->regmap = regmap_init_i2c(client, &edt_ft5x06_i2c_regmap_config); + if (IS_ERR(tsdata->regmap)) { + dev_err(&client->dev, "regmap allocation failed\n"); + return PTR_ERR(tsdata->regmap); + } + chip_data = device_get_match_data(&client->dev); if (!chip_data) chip_data = (const struct edt_i2c_chip_data *)id->driver_data; @@ -1258,6 +1263,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client) tsdata->client = client; tsdata->input = input; tsdata->factory_mode = false; + i2c_set_clientdata(client, tsdata); error = edt_ft5x06_ts_identify(client, tsdata); if (error) { @@ -1269,7 +1275,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client) * Dummy read access. EP0700MLP1 returns bogus data on the first * register read access and ignores writes. */ - edt_ft5x06_ts_readwrite(tsdata->client, 2, buf, 2, buf); + regmap_read(tsdata->regmap, 0x00, &val); edt_ft5x06_ts_set_regs(tsdata); edt_ft5x06_ts_get_defaults(&client->dev, tsdata); @@ -1291,9 +1297,8 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client) if (tsdata->version == EDT_M06) tsdata->report_rate /= 10; - edt_ft5x06_register_write(tsdata, - tsdata->reg_addr.reg_report_rate, - tsdata->report_rate); + regmap_write(tsdata->regmap, tsdata->reg_addr.reg_report_rate, + tsdata->report_rate); } dev_dbg(&client->dev, @@ -1318,8 +1323,6 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client) return error; } - i2c_set_clientdata(client, tsdata); - irq_flags = irq_get_trigger_type(client->irq); if (irq_flags == IRQF_TRIGGER_NONE) irq_flags = IRQF_TRIGGER_FALLING; @@ -1357,6 +1360,7 @@ static void edt_ft5x06_ts_remove(struct i2c_client *client) struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); edt_ft5x06_ts_teardown_debugfs(tsdata); + regmap_exit(tsdata->regmap); } static int edt_ft5x06_ts_suspend(struct device *dev) @@ -1373,8 +1377,8 @@ static int edt_ft5x06_ts_suspend(struct device *dev) return 0; /* Enter hibernate mode. */ - ret = edt_ft5x06_register_write(tsdata, PMOD_REGISTER_OPMODE, - PMOD_REGISTER_HIBERNATE); + ret = regmap_write(tsdata->regmap, PMOD_REGISTER_OPMODE, + PMOD_REGISTER_HIBERNATE); if (ret) dev_warn(dev, "Failed to set hibernate mode\n"); |