hwmon: (lm75) Add support for writing sampling period on PCT2075 (d7a85cde) · Commits · 戴 / test

drivers/hwmon/lm75.c

+14 −1

Original line number	Diff line number	Diff line
		@@ -95,6 +95,7 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
		#define LM75_REG_CONF 0x01
		#define LM75_REG_HYST 0x02
		#define LM75_REG_MAX 0x03
		#define PCT2075_REG_IDLE 0x04

		/* Each client has this additional data */
		struct lm75_data {
		@@ -199,6 +200,11 @@ static const struct lm75_params device_params[] = {
		[pct2075] = {
		.default_resolution = 11,
		.default_sample_time = MSEC_PER_SEC / 10,
		.num_sample_times = 31,
		.sample_times = (unsigned int []){ 100, 200, 300, 400, 500, 600,
		700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700,
		1800, 1900, 2000, 2100, 2200, 2300, 2400, 2500, 2600, 2700,
		2800, 2900, 3000, 3100 },
		},
		[mcp980x] = {
		.set_mask = 3 << 5, /* 12-bit mode */
		@@ -422,6 +428,13 @@ static int lm75_update_interval(struct device *dev, long val)
		return err;
		data->sample_time = data->params->sample_times[index];
		break;
		case pct2075:
		err = i2c_smbus_write_byte_data(data->client, PCT2075_REG_IDLE,
		index + 1);
		if (err)
		return err;
		data->sample_time = data->params->sample_times[index];
		break;
		}
		return 0;
		}
		@@ -512,7 +525,7 @@ static bool lm75_is_volatile_reg(struct device *dev, unsigned int reg)
		static const struct regmap_config lm75_regmap_config = {
		.reg_bits = 8,
		.val_bits = 16,
		.max_register = LM75_REG_MAX,
		.max_register = PCT2075_REG_IDLE,
		.writeable_reg = lm75_is_writeable_reg,
		.volatile_reg = lm75_is_volatile_reg,
		.val_format_endian = REGMAP_ENDIAN_BIG,