diff options
Diffstat (limited to 'drivers/misc/ti_dac7512.c')
-rw-r--r-- | drivers/misc/ti_dac7512.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/misc/ti_dac7512.c b/drivers/misc/ti_dac7512.c index 1d86407..83da711 100644 --- a/drivers/misc/ti_dac7512.c +++ b/drivers/misc/ti_dac7512.c @@ -22,9 +22,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/spi/spi.h> - -#define DAC7512_DRV_NAME "dac7512" -#define DRIVER_VERSION "1.0" +#include <linux/of.h> static ssize_t dac7512_store_val(struct device *dev, struct device_attribute *attr, @@ -33,9 +31,11 @@ static ssize_t dac7512_store_val(struct device *dev, struct spi_device *spi = to_spi_device(dev); unsigned char tmp[2]; unsigned long val; + int ret; - if (strict_strtoul(buf, 10, &val) < 0) - return -EINVAL; + ret = kstrtoul(buf, 10, &val); + if (ret) + return ret; tmp[0] = val >> 8; tmp[1] = val & 0xff; @@ -73,13 +73,29 @@ static int dac7512_remove(struct spi_device *spi) return 0; } +static const struct spi_device_id dac7512_id_table[] = { + { "dac7512", 0 }, + { } +}; +MODULE_DEVICE_TABLE(spi, dac7512_id_table); + +#ifdef CONFIG_OF +static const struct of_device_id dac7512_of_match[] = { + { .compatible = "ti,dac7512", }, + { } +}; +MODULE_DEVICE_TABLE(of, dac7512_of_match); +#endif + static struct spi_driver dac7512_driver = { .driver = { - .name = DAC7512_DRV_NAME, + .name = "dac7512", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(dac7512_of_match), }, .probe = dac7512_probe, .remove = dac7512_remove, + .id_table = dac7512_id_table, }; module_spi_driver(dac7512_driver); @@ -87,4 +103,3 @@ module_spi_driver(dac7512_driver); MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); MODULE_DESCRIPTION("DAC7512 16-bit DAC"); MODULE_LICENSE("GPL v2"); -MODULE_VERSION(DRIVER_VERSION); |