ENGR00138201 MX53_SMD: BT: add delay after BT chip reset

add 100ms delay after BT chip reset, make it work stable.

Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>

diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index eb2357e3dc83ca39ade6498a5d815c5359e987e8..7fcb79495d057eb026892edf1b0607ca87fd369a 100755 (executable)
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -523,6 +523,8 @@ static void mx53_smd_bt_reset(void)
        /* pull up after power supply BT */
        gpio_set_value(MX53_SMD_BT_RESET, 1);
        gpio_free(MX53_SMD_BT_RESET);
+       msleep(100);
+       /* Bluetooth need some time to reset */
 }
 
 static int mx53_smd_bt_power_change(int status)