[PATCH 12/13] board: dragonboard410c: Use button_cmd instead of custom code

[Stephan Gerhold]

Simplify the board code by using the new BUTTON_CMD functionality, instead
of implementing this separately using C code. This allows disabling or
customizing this functionality if wanted.

Signed-off-by: Stephan Gerhold <stephan.gerhold at linaro.org>
---
 board/qualcomm/dragonboard410c/dragonboard410c.c   | 22 ----------------------
 board/qualcomm/dragonboard410c/dragonboard410c.env |  2 ++
 configs/dragonboard410c_defconfig                  |  2 +-
 3 files changed, 3 insertions(+), 23 deletions(-)

diff --git a/board/qualcomm/dragonboard410c/dragonboard410c.c b/board/qualcomm/dragonboard410c/dragonboard410c.c
index 697e3c9b08b5c874912eb66ff4f0b3d32deaae01..4698b9d5e3e47a9b0389d9f6bafab9dd6db56a41 100644
--- a/board/qualcomm/dragonboard410c/dragonboard410c.c
+++ b/board/qualcomm/dragonboard410c/dragonboard410c.c
@@ -51,28 +51,6 @@ static void msm_generate_mac_addr(u8 *mac)
 	put_unaligned_be32(msm_board_serial(), &mac[2]);
 }
 
-/* Check for vol- button - if pressed - stop autoboot */
-int misc_init_r(void)
-{
-	struct udevice *btn;
-	int ret;
-	enum button_state_t state;
-
-	ret = button_get_by_label("vol_down", &btn);
-	if (ret < 0) {
-		printf("Couldn't find power button!\n");
-		return ret;
-	}
-
-	state = button_get_state(btn);
-	if (state == BUTTON_ON) {
-		env_set("preboot", "setenv preboot; run fastboot");
-		printf("vol_down pressed - Starting fastboot.\n");
-	}
-
-	return 0;
-}
-
 int qcom_late_init(void)
 {
 	char serial[16];
diff --git a/board/qualcomm/dragonboard410c/dragonboard410c.env b/board/qualcomm/dragonboard410c/dragonboard410c.env
index 71f929b646cc305cf5223cd3462fe2350bc8093e..38399d65c640ee18261529ee3101b268700fa004 100644
--- a/board/qualcomm/dragonboard410c/dragonboard410c.env
+++ b/board/qualcomm/dragonboard410c/dragonboard410c.env
@@ -2,3 +2,5 @@
 initrd_high=0xffffffffffffffff
 fastboot=fastboot -l $fastboot_addr_r usb 0
 boot_targets=usb mmc1 mmc0 pxe
+button_cmd_0_name=vol_down
+button_cmd_0=run fastboot
diff --git a/configs/dragonboard410c_defconfig b/configs/dragonboard410c_defconfig
index 414dda6778c95eb3fdcd6ef522d8c7d0ef9219fa..449d48a3c004117b832ad620d49beb681a9bda68 100644
--- a/configs/dragonboard410c_defconfig
+++ b/configs/dragonboard410c_defconfig
@@ -14,6 +14,7 @@ CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_SYS_LOAD_ADDR=0x80080000
 CONFIG_IDENT_STRING="\nQualcomm-DragonBoard 410C"
 CONFIG_REMAKE_ELF=y
+CONFIG_BUTTON_CMD=y
 CONFIG_FIT=y
 CONFIG_BOOTSTD_FULL=y
 CONFIG_OF_BOARD_SETUP=y
@@ -22,7 +23,6 @@ CONFIG_SYS_CBSIZE=512
 CONFIG_SYS_PBSIZE=548
 # CONFIG_DISPLAY_CPUINFO is not set
 # CONFIG_DISPLAY_BOARDINFO is not set
-CONFIG_MISC_INIT_R=y
 CONFIG_SYS_PROMPT="dragonboard410c => "
 CONFIG_CMD_MD5SUM=y
 CONFIG_CMD_MEMINFO=y

-- 
2.47.2