diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-platdrv.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-platdrv.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 0de4e302fc6a..a71bc58fc03c 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -12,6 +12,7 @@ #include <linux/clk-provider.h> #include <linux/clk.h> #include <linux/delay.h> +#include <linux/dmi.h> #include <linux/err.h> #include <linux/errno.h> #include <linux/i2c.h> @@ -191,6 +192,17 @@ static int dw_i2c_plat_request_regs(struct dw_i2c_dev *dev) return ret; } +static const struct dmi_system_id dw_i2c_hwmon_class_dmi[] = { + { + .ident = "Qtechnology QT5222", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Qtechnology"), + DMI_MATCH(DMI_PRODUCT_NAME, "QT5222"), + }, + }, + { } /* terminate list */ +}; + static int dw_i2c_plat_probe(struct platform_device *pdev) { struct dw_i2c_platform_data *pdata = dev_get_platdata(&pdev->dev); @@ -228,7 +240,7 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) else i2c_parse_fw_timings(&pdev->dev, t, false); - i2c_dw_acpi_adjust_bus_speed(&pdev->dev); + i2c_dw_adjust_bus_speed(dev); if (pdev->dev.of_node) dw_i2c_of_configure(pdev); @@ -267,7 +279,8 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) adap = &dev->adapter; adap->owner = THIS_MODULE; - adap->class = I2C_CLASS_DEPRECATED; + adap->class = dmi_check_system(dw_i2c_hwmon_class_dmi) ? + I2C_CLASS_HWMON : I2C_CLASS_DEPRECATED; ACPI_COMPANION_SET(&adap->dev, ACPI_COMPANION(&pdev->dev)); adap->dev.of_node = pdev->dev.of_node; adap->nr = -1; |