Why are three resources in gta01_button_resources array?

[wei zheng]

Hi Michael & All,

       I have questions about the hardware buttons in neo 1973/freerunner.
There are only two buttons on neo 1973/freerunner. Why are three resources
in gta01_button_resources array?

 

static struct resource gta01_button_resources[] = {

       [0] = {

              .start = GTA01_GPIO_AUX_KEY,

              .end   = GTA01_GPIO_AUX_KEY,

       },

       [1] = {

              .start = GTA01_GPIO_HOLD_KEY,

              .end   = GTA01_GPIO_HOLD_KEY,

       },

       [2] = {

              .start = GTA01_GPIO_JACK_INSERT,

              .end   = GTA01_GPIO_JACK_INSERT,

       },

};

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