i2c: algo: pca: Reapply i2c bus settings after reset

[people/arne_f/kernel.git] / include / linux / i2c-algo-pca.h

diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h
index d03071732db4add88eadef01988c6585b23b5955..7c522fdd9ea735280a2cd04ada1507e766967ff6 100644 (file)
--- a/include/linux/i2c-algo-pca.h
+++ b/include/linux/i2c-algo-pca.h
@@ -53,6 +53,20 @@
 #define I2C_PCA_CON_SI         0x08 /* Serial Interrupt */
 #define I2C_PCA_CON_CR         0x07 /* Clock Rate (MASK) */
 
+/**
+ * struct pca_i2c_bus_settings - The configured PCA i2c bus settings
+ * @mode: Configured i2c bus mode
+ * @tlow: Configured SCL LOW period
+ * @thi: Configured SCL HIGH period
+ * @clock_freq: The configured clock frequency
+ */
+struct pca_i2c_bus_settings {
+       int mode;
+       int tlow;
+       int thi;
+       int clock_freq;
+};
+
 struct i2c_algo_pca_data {
        void                            *data;  /* private low level data */
        void (*write_byte)              (void *data, int reg, int val);
@@ -64,6 +78,7 @@ struct i2c_algo_pca_data {
         * For PCA9665, use the frequency you want here. */
        unsigned int                    i2c_clock;
        unsigned int                    chip;
+       struct pca_i2c_bus_settings             bus_settings;
 };
 
 int i2c_pca_add_bus(struct i2c_adapter *);