openwrt/target/linux/realtek/patches-5.10/311-add-i2c-mux-rtl9300-support.patch

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--- a/drivers/i2c/muxes/Kconfig
+++ b/drivers/i2c/muxes/Kconfig
@@ -99,6 +99,15 @@ config I2C_MUX_REG
This driver can also be built as a module. If so, the module
will be called i2c-mux-reg.
+config I2C_MUX_RTL9300
+ tristate "RTL9300 based I2C multiplexer"
+ help
+ If you say yes to this option, support will be included for a
+ RTL9300 based I2C multiplexer.
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-mux-reg.
+
config I2C_DEMUX_PINCTRL
tristate "pinctrl-based I2C demultiplexer"
depends on PINCTRL && OF
--- a/drivers/i2c/muxes/Makefile
+++ b/drivers/i2c/muxes/Makefile
@@ -14,5 +14,6 @@ obj-$(CONFIG_I2C_MUX_PCA9541) += i2c-mux
obj-$(CONFIG_I2C_MUX_PCA954x) += i2c-mux-pca954x.o
obj-$(CONFIG_I2C_MUX_PINCTRL) += i2c-mux-pinctrl.o
obj-$(CONFIG_I2C_MUX_REG) += i2c-mux-reg.o
+obj-$(CONFIG_I2C_MUX_RTL9300) += i2c-mux-rtl9300.o
ccflags-$(CONFIG_I2C_DEBUG_BUS) := -DDEBUG