Re: [PATCH v2 1/2] hwmon: shtc1: add support for device tree bindings
From: Guenter Roeck
Date: Sun Jul 05 2020 - 10:25:19 EST
On Sun, Jul 05, 2020 at 11:47:25AM +0800, Chris Ruehl wrote:
> Add support for DTS bindings for the sensirion shtc1,shtw1 and shtc3.
>
> Signed-off-by: Chris Ruehl <chris.ruehl@xxxxxxxxxxxx>
> ---
> drivers/hwmon/shtc1.c | 22 ++++++++++++++++++++--
> 1 file changed, 20 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hwmon/shtc1.c b/drivers/hwmon/shtc1.c
> index a0078ccede03..61e9275eb666 100644
> --- a/drivers/hwmon/shtc1.c
> +++ b/drivers/hwmon/shtc1.c
> @@ -14,6 +14,7 @@
> #include <linux/err.h>
> #include <linux/delay.h>
> #include <linux/platform_data/shtc1.h>
> +#include <linux/of.h>
>
> /* commands (high precision mode) */
> static const unsigned char shtc1_cmd_measure_blocking_hpm[] = { 0x7C, 0xA2 };
> @@ -196,6 +197,7 @@ static int shtc1_probe(struct i2c_client *client,
> enum shtcx_chips chip = id->driver_data;
> struct i2c_adapter *adap = client->adapter;
> struct device *dev = &client->dev;
> + struct device_node *np = dev->of_node;
>
> if (!i2c_check_functionality(adap, I2C_FUNC_I2C)) {
> dev_err(dev, "plain i2c transactions not supported\n");
> @@ -233,8 +235,13 @@ static int shtc1_probe(struct i2c_client *client,
> data->client = client;
> data->chip = chip;
>
> - if (client->dev.platform_data)
> + if (np) {
> + data->setup.blocking_io = of_property_read_bool(np, "sensirion,blocking_io");
> + data->setup.high_precision = of_property_read_bool(np, "sensicon,low_precision");
> + }
> + else if (client->dev.platform_data)
> data->setup = *(struct shtc1_platform_data *)dev->platform_data;
CHECK: braces {} should be used on all arms of this statement
#46: FILE: drivers/hwmon/shtc1.c:238:
+ if (np) {
[...]
+ else if (client->dev.platform_data)
[...]
ERROR: else should follow close brace '}'
#50: FILE: drivers/hwmon/shtc1.c:242:
+ }
+ else if (client->dev.platform_data)