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qi-gta03-add-ui-debounce.patch
Signed-off-by: Andy Green <andy@openmoko.com>
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@ -47,6 +47,31 @@ unsigned long s3c6410_mmc_bread(int dev_num, unsigned long blknr, unsigned long
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* "root=/dev/ram ramdisk_size=6000000"
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*/
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static u8 get_ui_keys_gta03(void)
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{
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u8 keys;
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u8 ret;
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static u8 old_keys = 0; /* previous state for debounce */
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static u8 old_ret = 0; /* previous debounced output for edge detect */
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/* GPN1 is MINUS on GTA03, map to UI_ACTION_ADD_DEBUG, down = 1 */
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keys = !!(__REG(GPMDAT) & (1 << 1));
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if (keys == old_keys)
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ret = keys;
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else
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ret = old_keys;
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/* edge action */
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if ((ret & 1) && !(old_ret & 1))
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ret |= UI_ACTION_SKIPKERNEL;
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old_keys = keys;
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old_ret = ret;
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return ret;
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}
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const struct board_api board_api_gta03 = {
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.name = "GTA03",
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.linux_machine_id = 1866,
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@ -59,6 +84,7 @@ const struct board_api board_api_gta03 = {
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.putc = putc_gta03,
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.noboot = "boot/noboot-GTA03",
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.append = "boot/append-GTA03",
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.get_ui_keys = get_ui_keys_gta03,
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.commandline_board = "console=ttySAC3,115200 " \
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"init=/sbin/init " \
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"loglevel=8 ",
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