diff options
Diffstat (limited to 'drivers/pwm/pwm-mc33xs2410.c')
| -rw-r--r-- | drivers/pwm/pwm-mc33xs2410.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-mc33xs2410.c b/drivers/pwm/pwm-mc33xs2410.c index a1ac3445ccdb..6d99e3ff7239 100644 --- a/drivers/pwm/pwm-mc33xs2410.c +++ b/drivers/pwm/pwm-mc33xs2410.c @@ -17,11 +17,14 @@ * behavior of the output pin that is neither the old nor the new state, * rather something in between. */ +#define DEFAULT_SYMBOL_NAMESPACE "PWM_MC33XS2410" +#include <linux/auxiliary_bus.h> #include <linux/bitfield.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/math64.h> +#include <linux/mc33xs2410.h> #include <linux/minmax.h> #include <linux/module.h> #include <linux/of.h> @@ -120,12 +123,19 @@ static int mc33xs2410_read_reg(struct spi_device *spi, u8 reg, u16 *val, u8 flag return mc33xs2410_read_regs(spi, ®, flag, val, 1); } -static int mc33xs2410_read_reg_ctrl(struct spi_device *spi, u8 reg, u16 *val) +int mc33xs2410_read_reg_ctrl(struct spi_device *spi, u8 reg, u16 *val) { return mc33xs2410_read_reg(spi, reg, val, MC33XS2410_FRAME_IN_DATA_RD); } +EXPORT_SYMBOL_GPL(mc33xs2410_read_reg_ctrl); -static int mc33xs2410_modify_reg(struct spi_device *spi, u8 reg, u8 mask, u8 val) +int mc33xs2410_read_reg_diag(struct spi_device *spi, u8 reg, u16 *val) +{ + return mc33xs2410_read_reg(spi, reg, val, 0); +} +EXPORT_SYMBOL_GPL(mc33xs2410_read_reg_diag); + +int mc33xs2410_modify_reg(struct spi_device *spi, u8 reg, u8 mask, u8 val) { u16 tmp; int ret; @@ -139,6 +149,7 @@ static int mc33xs2410_modify_reg(struct spi_device *spi, u8 reg, u8 mask, u8 val return mc33xs2410_write_reg(spi, reg, tmp); } +EXPORT_SYMBOL_GPL(mc33xs2410_modify_reg); static u8 mc33xs2410_pwm_get_freq(u64 period) { @@ -314,6 +325,7 @@ static int mc33xs2410_reset(struct device *dev) static int mc33xs2410_probe(struct spi_device *spi) { struct device *dev = &spi->dev; + struct auxiliary_device *adev; struct pwm_chip *chip; int ret; @@ -361,6 +373,10 @@ static int mc33xs2410_probe(struct spi_device *spi) if (ret < 0) return dev_err_probe(dev, ret, "Failed to add pwm chip\n"); + adev = devm_auxiliary_device_create(dev, "hwmon", NULL); + if (!adev) + return dev_err_probe(dev, -ENODEV, "Failed to register hwmon device\n"); + return 0; } |