From f9992af62fbf3a50d89d1f3914b2ff5cda187466 Mon Sep 17 00:00:00 2001
From: Jonathan Bakker <xc-racer2@live.ca>
Date: Thu, 14 May 2020 13:48:55 -0700
Subject: [PATCH] iio: accel: bma180: Prepare for different reset values
Some variants of the bma180 (eg bma023) have different reset
values. In preparation for adding support for them, factor
out the reset value into the chip specific data.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/accel/bma180.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index fcd91d5f05fd1..75440dd83ec4d 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -57,7 +57,7 @@ struct bma180_part_info {
u8 power_reg, power_mask, lowpower_val;
u8 int_enable_reg, int_enable_mask;
u8 int_map_reg, int_enable_dataready_int1_mask;
- u8 softreset_reg;
+ u8 softreset_reg, softreset_val;
int (*chip_config)(struct bma180_data *data);
void (*chip_disable)(struct bma180_data *data);
@@ -319,7 +319,8 @@ static int bma180_set_pmode(struct bma180_data *data, bool mode)
static int bma180_soft_reset(struct bma180_data *data)
{
int ret = i2c_smbus_write_byte_data(data->client,
- data->part_info->softreset_reg, BMA180_RESET_VAL);
+ data->part_info->softreset_reg,
+ data->part_info->softreset_val);
if (ret)
dev_err(&data->client->dev, "failed to reset the chip\n");
@@ -693,6 +694,7 @@ static const struct bma180_part_info bma180_part_info[] = {
.int_enable_reg = BMA180_CTRL_REG3,
.int_enable_mask = BMA180_NEW_DATA_INT,
.softreset_reg = BMA180_RESET,
+ .softreset_val = BMA180_RESET_VAL,
.chip_config = bma180_chip_config,
.chip_disable = bma180_chip_disable,
},
@@ -721,6 +723,7 @@ static const struct bma180_part_info bma180_part_info[] = {
.int_map_reg = BMA250_INT_MAP_REG,
.int_enable_dataready_int1_mask = BMA250_INT1_DATA_MASK,
.softreset_reg = BMA250_RESET_REG,
+ .softreset_val = BMA180_RESET_VAL,
.chip_config = bma25x_chip_config,
.chip_disable = bma25x_chip_disable,
},
@@ -749,6 +752,7 @@ static const struct bma180_part_info bma180_part_info[] = {
.int_map_reg = BMA254_INT_MAP_REG,
.int_enable_dataready_int1_mask = BMA254_INT1_DATA_MASK,
.softreset_reg = BMA254_RESET_REG,
+ .softreset_val = BMA180_RESET_VAL,
.chip_config = bma25x_chip_config,
.chip_disable = bma25x_chip_disable,
},
--
GitLab