Re: [PATCHv5 5/5] Input: edt-ft5x06: Add support for M09 firmware version

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Am 20.03.2014 14:44, schrieb Lothar Waßmann:
> From: Daniel Wagener <daniel.wagener@xxxxxxxxxxxxxxxxx>
> 
> There is a new firmware version for the EDT-FT5x06 chip. Add
> support for detecting the firmware version and handle the 
> differences appropriately.
> 
> Signed-off-by: Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx> --- 
> drivers/input/touchscreen/edt-ft5x06.c |  358
> ++++++++++++++++++++++++-------- 1 file changed, 276 insertions(+),
> 82 deletions(-)
> 
> diff --git a/drivers/input/touchscreen/edt-ft5x06.c
> b/drivers/input/touchscreen/edt-ft5x06.c index 565f0cd..936d269
> 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++
> b/drivers/input/touchscreen/edt-ft5x06.c @@ -1,5 +1,6 @@ /* *
> Copyright (C) 2012 Simon Budig, <simon.budig@xxxxxxxxxxxxxxxxx> + *
> Daniel Wagener <daniel.wagener@xxxxxxxxxxxxxxxxx> (M09 firmware
> support) * Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx> (DT support) * *
> This software is licensed under the terms of the GNU General
> Public @@ -47,6 +48,14 @@ #define WORK_REGISTER_NUM_X		0x33 #define
> WORK_REGISTER_NUM_Y		0x34
> 
> +#define M09_REGISTER_THRESHOLD		0x80 +#define M09_REGISTER_GAIN
> 0x92 +#define M09_REGISTER_OFFSET		0x93 +#define M09_REGISTER_NUM_X
> 0x94 +#define M09_REGISTER_NUM_Y		0x95 + +#define NO_REGISTER
> 0xff + #define WORK_REGISTER_OPMODE		0x3c #define
> FACTORY_REGISTER_OPMODE		0x01
> 
> @@ -61,6 +70,20 @@ #define EDT_RAW_DATA_RETRIES		100 #define
> EDT_RAW_DATA_DELAY		1 /* msec */
> 
> +enum edt_ver { +	M06, +	M09, +}; + +struct edt_reg_addr { +	int
> reg_threshold; +	int reg_report_rate; +	int reg_gain; +	int
> reg_offset; +	int reg_num_x; +	int reg_num_y; +}; + struct
> edt_ft5x06_ts_data { struct i2c_client *client; struct input_dev
> *input; @@ -85,6 +108,9 @@ struct edt_ft5x06_ts_data { int
> report_rate;
> 
> char name[EDT_NAME_LEN]; + +	struct edt_reg_addr reg_addr; +	enum
> edt_ver version; };
> 
> static int edt_ft5x06_ts_readwrite(struct i2c_client *client, @@
> -142,33 +168,58 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq,
> void *dev_id) { struct edt_ft5x06_ts_data *tsdata = dev_id; struct
> device *dev = &tsdata->client->dev; -	u8 cmd = 0xf9; -	u8
> rdbuf[26]; +	u8 cmd; +	u8 rdbuf[29]; int i, type, x, y, id; +	int
> offset, tplen, datalen; int error;
> 
> +	switch (tsdata->version) { +	case M06: +		cmd = 0xf9; /* tell the
> controller to send touch data */ +		offset = 5; /* where the actual
> touch data starts */ +		tplen = 4;  /* data comes in so called
> frames */ +		datalen = 26; /* how much bytes to listen for */ +
> break; + +	case M09: +		cmd = 0x02; +		offset = 1; +		tplen = 6; +
> datalen = 29; +		break; + +	default: +		goto out; +	} + 
> memset(rdbuf, 0, sizeof(rdbuf));
> 
> error = edt_ft5x06_ts_readwrite(tsdata->client, sizeof(cmd), &cmd, 
> -					sizeof(rdbuf), rdbuf); +					datalen, rdbuf); if (error) { 
> dev_err_ratelimited(dev, "Unable to fetch data, error: %d\n", 
> error); goto out; }
> 
> -	if (rdbuf[0] != 0xaa || rdbuf[1] != 0xaa || rdbuf[2] != 26) { -
> dev_err_ratelimited(dev, "Unexpected header: %02x%02x%02x!\n", -
> rdbuf[0], rdbuf[1], rdbuf[2]); -		goto out; -	} +	/* M09 does not
> send header or CRC */ +	if (tsdata->version == M06) { +		if
> (rdbuf[0] != 0xaa || rdbuf[1] != 0xaa || +			rdbuf[2] != datalen)
> { +			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, 26)) -		goto out; +
> if (!edt_ft5x06_ts_check_crc(tsdata, rdbuf, datalen)) +			goto
> out; +	}
> 
> for (i = 0; i < MAX_SUPPORT_POINTS; i++) { -		u8 *buf = &rdbuf[i *
> 4 + 5]; +		u8 *buf = &rdbuf[i * tplen + offset]; bool down;
> 
> type = buf[0] >> 6; @@ -176,8 +227,8 @@ static irqreturn_t
> edt_ft5x06_ts_isr(int irq, void *dev_id) if (type ==
> TOUCH_EVENT_RESERVED) continue;
> 
> -		/* ignore TOUCH_DOWN events, might have bogus coordinates */ -
> if (type == TOUCH_EVENT_DOWN) +		/* M06 sometimes sends bogus
> coordinates in TOUCH_DOWN */ +		if (tsdata->version == M06 && type
> == TOUCH_EVENT_DOWN) continue;
> 
> x = ((buf[0] << 8) | buf[1]) & 0x0fff; @@ -207,12 +258,25 @@ static
> int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata, { 
> u8 wrbuf[4];
> 
> -	wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc; -	wrbuf[1] =
> tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; -	wrbuf[2] =
> value; -	wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2]; - -	return
> edt_ft5x06_ts_readwrite(tsdata->client, 4, wrbuf, 0, NULL); +
> switch (tsdata->version) { +	case M06: +		wrbuf[0] =
> tsdata->factory_mode ? 0xf3 : 0xfc; +		wrbuf[1] =
> tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; +		wrbuf[1] =
> tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; +		wrbuf[2] =
> value; +		wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2]; +		return
> edt_ft5x06_ts_readwrite(tsdata->client, 4, +					wrbuf, 0, NULL); +
> case M09: +		wrbuf[0] = addr; +		wrbuf[1] = value; + +		return
> edt_ft5x06_ts_readwrite(tsdata->client, 3, +					wrbuf, 0, NULL); 
> + +	default: +		return -EINVAL; +	} }
> 
> static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data
> *tsdata, @@ -221,19 +285,35 @@ static int
> edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata, u8
> wrbuf[2], rdbuf[2]; int error;
> 
> -	wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc; -	wrbuf[1] =
> tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; -	wrbuf[1] |=
> tsdata->factory_mode ? 0x80 : 0x40; +	switch (tsdata->version) { +
> case M06: +		wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc; +
> wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; +
> wrbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40;
> 
> -	error = edt_ft5x06_ts_readwrite(tsdata->client, 2, wrbuf, 2,
> rdbuf); -	if (error) +		error =
> edt_ft5x06_ts_readwrite(tsdata->client, +						2, wrbuf, 2,
> rdbuf); return error;
> 
> -	if ((wrbuf[0] ^ wrbuf[1] ^ rdbuf[0]) != rdbuf[1]) { -
> dev_err(&tsdata->client->dev, -			"crc error: 0x%02x expected, got
> 0x%02x\n", -			wrbuf[0] ^ wrbuf[1] ^ rdbuf[0], rdbuf[1]); -		return
> -EIO; +		if ((wrbuf[0] ^ wrbuf[1] ^ rdbuf[0]) != rdbuf[1]) { +
> dev_err(&tsdata->client->dev, +				"crc error: 0x%02x expected, got
> 0x%02x\n", +				wrbuf[0] ^ wrbuf[1] ^ rdbuf[0], +				rdbuf[1]); +
> return -EIO; +		} +		break; + +	case M09: +		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]; @@ -244,19 +324,21 @@ struct edt_ft5x06_attribute
> { size_t field_offset; u8 limit_low; u8 limit_high; -	u8 addr; +	u8
> addr_m06; +	u8 addr_m09; };
> 
> -#define EDT_ATTR(_field, _mode, _addr, _limit_low, _limit_high)
> \ +#define EDT_ATTR(_field, _mode, _addr_m06, _addr_m09,			\ +
> _limit_low, _limit_high)				\ struct edt_ft5x06_attribute
> edt_ft5x06_attr_##_field = {	\ .dattr = __ATTR(_field, _mode,				\ 
> edt_ft5x06_setting_show,		\ edt_ft5x06_setting_store),		\ -
> .field_offset =						\ -			offsetof(struct edt_ft5x06_ts_data,
> _field),	\ +		.field_offset = offsetof(struct edt_ft5x06_ts_data,
> _field), \ +		.addr_m06 = _addr_m06,					\ +		.addr_m09 =
> _addr_m09,					\ .limit_low = _limit_low,				\ .limit_high =
> _limit_high,				\ -		.addr = _addr,						\ }
> 
> static ssize_t edt_ft5x06_setting_show(struct device *dev, @@
> -271,6 +353,7 @@ static ssize_t edt_ft5x06_setting_show(struct
> device *dev, int val; size_t count = 0; int error = 0; +	u8 addr;
> 
> mutex_lock(&tsdata->mutex);
> 
> @@ -279,15 +362,33 @@ static ssize_t edt_ft5x06_setting_show(struct
> device *dev, goto out; }
> 
> -	val = edt_ft5x06_register_read(tsdata, attr->addr); -	if (val <
> 0) { -		error = val; -		dev_err(&tsdata->client->dev, -			"Failed
> to fetch attribute %s, error %d\n", -			dattr->attr.name, error); +
> switch (tsdata->version) { +	case M06: +		addr = attr->addr_m06; +
> break; + +	case M09: +		addr = attr->addr_m09; +		break; + +
> default: +		error = -ENODEV; goto out; }
> 
> +	if (addr != NO_REGISTER) { +		val =
> edt_ft5x06_register_read(tsdata, addr); +		if (val < 0) { +			error
> = val; +			dev_err(&tsdata->client->dev, +				"Failed to fetch
> attribute %s, error %d\n", +				dattr->attr.name, error); +			goto
> out; +		} +	} else { +		val = *field; +	} + if (val != *field) { 
> dev_warn(&tsdata->client->dev, "%s: read (%d) and stored value (%d)
> differ\n", @@ -312,6 +413,7 @@ static ssize_t
> edt_ft5x06_setting_store(struct device *dev, u8 *field = (u8
> *)tsdata + attr->field_offset; unsigned int val; int error; +	u8
> addr;
> 
> mutex_lock(&tsdata->mutex);
> 
> @@ -329,14 +431,29 @@ static ssize_t
> edt_ft5x06_setting_store(struct device *dev, goto out; }
> 
> -	error = edt_ft5x06_register_write(tsdata, attr->addr, val); -	if
> (error) { -		dev_err(&tsdata->client->dev, -			"Failed to update
> attribute %s, error: %d\n", -			dattr->attr.name, error); +	switch
> (tsdata->version) { +	case M06: +		addr = attr->addr_m06; +
> break; + +	case M09: +		addr = attr->addr_m09; +		break; + +
> default: +		error = -ENODEV; goto out; }
> 
> +	if (addr != NO_REGISTER) { +		error =
> edt_ft5x06_register_write(tsdata, addr, val); +		if (error) { +
> dev_err(&tsdata->client->dev, +				"Failed to update attribute %s,
> error: %d\n", +				dattr->attr.name, error); +			goto out; +		} +
> } *field = val;
> 
> out: @@ -344,12 +461,14 @@ out: return error ?: count; }
> 
> -static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN, 0,
> 31); -static EDT_ATTR(offset, S_IWUSR | S_IRUGO,
> WORK_REGISTER_OFFSET, 0, 31); -static EDT_ATTR(threshold, S_IWUSR |
> S_IRUGO, -		WORK_REGISTER_THRESHOLD, 20, 80); -static
> EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, -
> WORK_REGISTER_REPORT_RATE, 3, 14); +static EDT_ATTR(gain, S_IWUSR |
> S_IRUGO, WORK_REGISTER_GAIN, +		M09_REGISTER_GAIN, 0, 31); +static
> EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET, +
> M09_REGISTER_OFFSET, 0, 31); +static EDT_ATTR(threshold, S_IWUSR |
> S_IRUGO, WORK_REGISTER_THRESHOLD, +		M09_REGISTER_THRESHOLD, 20,
> 80); +static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO,
> WORK_REGISTER_REPORT_RATE, +		NO_REGISTER, 3, 14);
> 
> static struct attribute *edt_ft5x06_attrs[] = { 
> &edt_ft5x06_attr_gain.dattr.attr, @@ -384,6 +503,9 @@ static int
> edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata) }
> 
> /* mode register is 0x3c when in the work mode */ +	if
> (tsdata->version == M09) +		goto m09_out; + error =
> edt_ft5x06_register_write(tsdata, WORK_REGISTER_OPMODE, 0x03); if
> (error) { dev_err(&client->dev, @@ -416,12 +538,18 @@ err_out: 
> enable_irq(client->irq);
> 
> return error; + +m09_out: +	dev_err(&client->dev, "No factory mode
> support for M09\n"); +	return -EINVAL; + }
> 
> static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata) 
> { struct i2c_client *client = tsdata->client; int retries =
> EDT_SWITCH_MODE_RETRIES; +	struct edt_reg_addr *reg_addr =
> &tsdata->reg_addr; int ret; int error;
> 
> @@ -454,13 +582,14 @@ static int edt_ft5x06_work_mode(struct
> edt_ft5x06_ts_data *tsdata) tsdata->raw_buffer = NULL;
> 
> /* restore parameters */ -	edt_ft5x06_register_write(tsdata,
> WORK_REGISTER_THRESHOLD, +	edt_ft5x06_register_write(tsdata,
> reg_addr->reg_threshold, tsdata->threshold); -
> edt_ft5x06_register_write(tsdata, WORK_REGISTER_GAIN, +
> edt_ft5x06_register_write(tsdata, reg_addr->reg_gain, 
> tsdata->gain); -	edt_ft5x06_register_write(tsdata,
> WORK_REGISTER_OFFSET, +	edt_ft5x06_register_write(tsdata,
> reg_addr->reg_offset, tsdata->offset); -
> edt_ft5x06_register_write(tsdata, WORK_REGISTER_REPORT_RATE, +	if
> (reg_addr->reg_report_rate) +		edt_ft5x06_register_write(tsdata,
> reg_addr->reg_report_rate, tsdata->report_rate);
> 
> enable_irq(client->irq); @@ -663,30 +792,60 @@ static int
> edt_ft5x06_ts_reset(struct i2c_client *client, }
> 
> static int edt_ft5x06_ts_identify(struct i2c_client *client, -
> char *model_name, -					    char *fw_version) +					struct
> edt_ft5x06_ts_data *tsdata, +					char *fw_version) { u8
> rdbuf[EDT_NAME_LEN]; char *p; int error; +	char *model_name =
> tsdata->name;
> 
> +	/* see what we find if we assume it is a M06 * +	 * if we get
> less than EDT_NAME_LEN, we don't want +	 * to have garbage in
> there +	 */ +	memset(rdbuf, 0, sizeof(rdbuf)); error =
> edt_ft5x06_ts_readwrite(client, 1, "\xbb", EDT_NAME_LEN - 1,
> rdbuf); if (error) return error;
> 
> -	/* remove last '$' end marker */ -	rdbuf[EDT_NAME_LEN - 1] =
> '\0'; -	if (rdbuf[EDT_NAME_LEN - 2] == '$') -		rdbuf[EDT_NAME_LEN -
> 2] = '\0'; +	/* if we find something consistent, stay with that
> assumption +	 * at least M09 won't send 3 bytes here +	 */ +	if
> (!(strnicmp(rdbuf + 1, "EP0", 3))) { +		tsdata->version = M06; + +
> /* remove last '$' end marker */ +		rdbuf[EDT_NAME_LEN - 1] =
> '\0'; +		if (rdbuf[EDT_NAME_LEN - 2] == '$') +			rdbuf[EDT_NAME_LEN
> - 2] = '\0'; + +		/* look for Model/Version separator */ +		p =
> strchr(rdbuf, '*'); +		if (p) +			*p++ = '\0'; +
> strlcpy(model_name, rdbuf + 1, EDT_NAME_LEN); +
> strlcpy(fw_version, p ? p : "", EDT_NAME_LEN); +	} else { +		/*
> since there are only two versions around (M06, M09) */ +
> tsdata->version = M09; + +		error = edt_ft5x06_ts_readwrite(client,
> 1, "\xA6", +						2, rdbuf); +		if (error) +			return error;
> 
> -	/* look for Model/Version separator */ -	p = strchr(rdbuf, '*'); 
> -	if (p) -		*p++ = '\0'; +		strlcpy(fw_version, rdbuf, 2);
> 
> -	strlcpy(model_name, rdbuf + 1, EDT_NAME_LEN); -
> strlcpy(fw_version, p ? p : "", EDT_NAME_LEN); +		error =
> edt_ft5x06_ts_readwrite(client, 1, "\xA8", +						1, rdbuf); +		if
> (error) +			return error; + +		snprintf(model_name, EDT_NAME_LEN,
> "EP0%i%i0M09", +			rdbuf[0] >> 4, rdbuf[0] & 0x0F); +	}
> 
> return 0; } @@ -705,36 +864,69 @@ static int
> edt_ft5x06_ts_identify(struct i2c_client *client, static void
> edt_ft5x06_ts_get_dt_defaults(struct device_node *np, struct
> edt_ft5x06_ts_data *tsdata) { -	EDT_GET_PROP(threshold,
> WORK_REGISTER_THRESHOLD); -	EDT_GET_PROP(gain,
> WORK_REGISTER_GAIN); -	EDT_GET_PROP(offset, WORK_REGISTER_OFFSET); 
> +	struct edt_reg_addr *reg_addr = &tsdata->reg_addr; + +
> EDT_GET_PROP(threshold, reg_addr->reg_threshold); +
> EDT_GET_PROP(gain, reg_addr->reg_gain); +	EDT_GET_PROP(offset,
> reg_addr->reg_offset); }
> 
> static void edt_ft5x06_ts_get_defaults(struct edt_ft5x06_ts_data
> *tsdata, const struct edt_ft5x06_platform_data *pdata) { +	struct
> edt_reg_addr *reg_addr = &tsdata->reg_addr; + if
> (!pdata->use_parameters) return;
> 
> /* pick up defaults from the platform data */ -
> EDT_ATTR_CHECKSET(threshold, WORK_REGISTER_THRESHOLD); -
> EDT_ATTR_CHECKSET(gain, WORK_REGISTER_GAIN); -
> EDT_ATTR_CHECKSET(offset, WORK_REGISTER_OFFSET); -
> EDT_ATTR_CHECKSET(report_rate, WORK_REGISTER_REPORT_RATE); +
> EDT_ATTR_CHECKSET(threshold, reg_addr->reg_threshold); +
> EDT_ATTR_CHECKSET(gain, reg_addr->reg_gain); +
> EDT_ATTR_CHECKSET(offset, reg_addr->reg_offset); +	if
> (reg_addr->reg_report_rate != NO_REGISTER) +
> EDT_ATTR_CHECKSET(report_rate, reg_addr->reg_report_rate); }
> 
> static void edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data
> *tsdata) { +	struct edt_reg_addr *reg_addr = &tsdata->reg_addr; + 
> tsdata->threshold = edt_ft5x06_register_read(tsdata, -
> WORK_REGISTER_THRESHOLD); -	tsdata->gain =
> edt_ft5x06_register_read(tsdata, WORK_REGISTER_GAIN); -
> tsdata->offset = edt_ft5x06_register_read(tsdata,
> WORK_REGISTER_OFFSET); -	tsdata->report_rate =
> edt_ft5x06_register_read(tsdata, -
> WORK_REGISTER_REPORT_RATE); -	tsdata->num_x =
> edt_ft5x06_register_read(tsdata, WORK_REGISTER_NUM_X); -
> tsdata->num_y = edt_ft5x06_register_read(tsdata,
> WORK_REGISTER_NUM_Y); +						     reg_addr->reg_threshold); +
> tsdata->gain = edt_ft5x06_register_read(tsdata,
> reg_addr->reg_gain); +	tsdata->offset =
> edt_ft5x06_register_read(tsdata, reg_addr->reg_offset); +	if
> (reg_addr->reg_report_rate != NO_REGISTER) +		tsdata->report_rate =
> edt_ft5x06_register_read(tsdata, +
> reg_addr->reg_report_rate); +	tsdata->num_x =
> edt_ft5x06_register_read(tsdata, reg_addr->reg_num_x); +
> tsdata->num_y = edt_ft5x06_register_read(tsdata,
> reg_addr->reg_num_y); +} + +static void 
> +edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata) +{ +
> struct edt_reg_addr *reg_addr = &tsdata->reg_addr; + +	switch
> (tsdata->version) { +	case M06: +		reg_addr->reg_threshold =
> WORK_REGISTER_THRESHOLD; +		reg_addr->reg_report_rate =
> WORK_REGISTER_REPORT_RATE; +		reg_addr->reg_gain =
> WORK_REGISTER_GAIN; +		reg_addr->reg_offset =
> WORK_REGISTER_OFFSET; +		reg_addr->reg_num_x =
> WORK_REGISTER_NUM_X; +		reg_addr->reg_num_y = WORK_REGISTER_NUM_Y; 
> +		break; + +	case M09: +		reg_addr->reg_threshold =
> M09_REGISTER_THRESHOLD; +		reg_addr->reg_gain = M09_REGISTER_GAIN; 
> +		reg_addr->reg_offset = M09_REGISTER_OFFSET; +
> reg_addr->reg_num_x = M09_REGISTER_NUM_X; +		reg_addr->reg_num_y =
> M09_REGISTER_NUM_Y; +		break; +	} }
> 
> #ifdef CONFIG_OF @@ -818,12 +1010,14 @@ static int
> edt_ft5x06_ts_probe(struct i2c_client *client, tsdata->input =
> input; tsdata->factory_mode = false;
> 
> -	error = edt_ft5x06_ts_identify(client, tsdata->name,
> fw_version); +	error = edt_ft5x06_ts_identify(client, tsdata,
> fw_version); if (error) { dev_err(&client->dev, "touchscreen probe
> failed\n"); return error; }
> 
> +	edt_ft5x06_ts_set_regs(tsdata); + if (!pdata) 
> edt_ft5x06_ts_get_dt_defaults(client->dev.of_node, tsdata); else
> 


Signed-off-by: Daniel Wagener <daniel.wagener@xxxxxxxxxxxxxxxxx>

- -- 
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