SYNOPSIS
struct matrix_keypad_platform_data {
const struct matrix_keymap_data * keymap_data;
const unsigned int * row_gpios;
const unsigned int * col_gpios;
unsigned int num_row_gpios;
unsigned int num_col_gpios;
unsigned int col_scan_delay_us;
unsigned int debounce_ms;
unsigned int clustered_irq;
unsigned int clustered_irq_flags;
bool active_low;
bool wakeup;
bool no_autorepeat;
};
MEMBERS
keymap_data
- pointer to matrix_keymap_data
row_gpios
- pointer to array of gpio numbers representing rows
col_gpios
- pointer to array of gpio numbers reporesenting colums
num_row_gpios
- actual number of row gpios used by device
num_col_gpios
- actual number of col gpios used by device
col_scan_delay_us
- delay, measured in microseconds, that is needed before we can keypad after activating column gpio
debounce_ms
- debounce interval in milliseconds
clustered_irq
- may be specified if interrupts of all row/column GPIOs are bundled to one single irq
clustered_irq_flags
- flags that are needed for the clustered irq
active_low
- gpio polarity
wakeup
- controls whether the device should be set up as wakeup source
no_autorepeat
- disable key autorepeat
DESCRIPTION
This structure represents platform-specific data that use used by matrix_keypad driver to perform proper initialization.
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