[PATCH 04/13] qi-gta01-add-ui-debounce.patch

[Andy Green]

Signed-off-by: Andy Green <[EMAIL PROTECTED]>
---

 src/cpu/s3c2410/gta01.c |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/src/cpu/s3c2410/gta01.c b/src/cpu/s3c2410/gta01.c
index cb20a72..1b572d2 100644
--- a/src/cpu/s3c2410/gta01.c
+++ b/src/cpu/s3c2410/gta01.c
@@ -209,6 +209,32 @@ static void close_gta01(void)
        (bb_s3c24xx.close)();
 }
 
+static u8 get_ui_keys_gta02(void)
+{
+       u8 keys;
+       u8 ret;
+       static u8 old_keys = 0; /* previous state for debounce */
+       static u8 old_ret = 0; /* previous debounced output for edge detect */
+
+       /* GPF6 is AUX on GTA01, map to UI_ACTION_ADD_DEBUG, down = 1 */
+       keys = ! (rGPFDAT & (1 << 6));
+
+       if (keys == old_keys)
+               ret = keys;
+       else
+               ret = old_keys;
+
+       /* edge action */
+       if ((ret & 1) && !(old_ret & 1))
+               ret |= UI_ACTION_SKIPKERNEL;
+
+       old_keys = keys;
+       old_ret = ret;
+
+       return ret;
+}
+
+
 /*
  * API for bootloader on this machine
  */
@@ -224,6 +250,8 @@ const struct board_api board_api_gta01 = {
        .port_init = port_init_gta01,
        .putc = putc_gta01,
        .close = close_gta01,
+       .get_ui_keys = get_ui_keys_gta02,
+
        .commandline_board = "mtdparts=" \
                                "neo1973-nand:" \
                                 "0x00040000(qi)," \