I have a Thecus N5550 NAS on which I currently run CentOS 6, with the kernel-lt package from ELRepo. I am hoping to upgrade the OS on this box to CentOS 7 in the near future and dispense with the ELRepo requirement.<br />
<br />
Several of the modules that I need for this box are not enabled in the RHEL/CentOS 7 kernel or the CentOSPlus kernel -- specifically gpio_ich, leds_gpio, and leds_pca9532. I am hoping that these modules can be enabled in the CentOSPlus kernel.<br />
<br />
The specific kernel configuration changes are:<br />
<br />
+CONFIG_GPIOLIB=y<br />
+CONFIG_GPIO_SYSFS=y<br />
+CONFIG_GPIO_ICH=m<br />
+CONFIG_LEDS_GPIO=m<br />
+CONFIG_LEDS_PCA9532=m<br />
+CONFIG_LEDS_PCA9532_GPIO=y<br />
<br />
(When setting CONFIG_GPIOLIB=y, it might be worth enabling some of the other GPIO modules as well.)
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