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SubjectRe: [PATCH] input: driver for USB VoIP phones with CM109 chipset
Pavel Machek wrote:
> Hi!
>
>> + Komunikate KIP1000 Keyboard Matrix
>> +
>> + -> -- 1 -- 2 -- 3 --> GPI pin 4 (0x10)
>> + | | | |
>> + <- -- 4 -- 5 -- 6 --> GPI pin 5 (0x20)
>> + | | | |
>> + END - 7 -- 8 -- 9 --> GPI pin 6 (0x40)
>> + | | | |
>> + OK -- * -- 0 -- # --> GPI pin 7 (0x80)
>> + | | | |
>> +
>> + /|\ /|\ /|\ /|\
>> + | | | |
>> +GPO
>> +pin: 3 2 1 0
>> + 0x8 0x4 0x2 0x1
>> +
>> + */
>> +static int keymap_kip1000(int scancode)
>> +{
>> + switch (scancode) { /* phone
>> key: */
>> + case 0x82: return KEY_0; /* 0
>> */
>> + case 0x14: return KEY_1; /* 1
>> */
>> + case 0x12: return KEY_2; /* 2
>> */
>> + case 0x11: return KEY_3; /* 3
>> */
>> + case 0x24: return KEY_4; /* 4
>> */
>> + case 0x22: return KEY_5; /* 5
>> */
>> + case 0x21: return KEY_6; /* 6
>> */
>> + case 0x44: return KEY_7; /* 7
>> */
>> + case 0x42: return KEY_8; /* 8
>> */
>> + case 0x41: return KEY_9; /* 9
>> */
>> + case 0x81: return KEY_LEFTSHIFT | KEY_3 << 8; /*
>> # */
>
> That's a very dirty hack, right?
>

yeah, that is a dirty hack which we should avoid by defining
a new key called e.g. KEY_KPPOUND for the '#'-key.

the CM109 driver is based on the Yealink driver
(drivers/input/misc/yealink.c) so the same hack exists there..


/alfred


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