diff options
Diffstat (limited to 'include/linux/mfd')
-rw-r--r-- | include/linux/mfd/lp3943.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mfd/lp3943.h b/include/linux/mfd/lp3943.h index d3a738118b27..3490db782988 100644 --- a/include/linux/mfd/lp3943.h +++ b/include/linux/mfd/lp3943.h @@ -94,12 +94,18 @@ struct lp3943_reg_cfg { * @regmap: Used for I2C communication on accessing registers * @pdata: LP3943 platform specific data * @mux_cfg: Register configuration for pin MUX + * @pin_used: Bit mask for output pin used. + * This bitmask is used for pin assignment management. + * 1 = pin used, 0 = available. + * Only LSB 16 bits are used, but it is unsigned long type + * for atomic bitwise operations. */ struct lp3943 { struct device *dev; struct regmap *regmap; struct lp3943_platform_data *pdata; const struct lp3943_reg_cfg *mux_cfg; + unsigned long pin_used; }; int lp3943_read_byte(struct lp3943 *lp3943, u8 reg, u8 *read); |