From 66877b0f5fc96906d70f1264b3b8102d2156360f Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Sun, 18 Oct 2015 21:17:13 -0600
Subject: [PATCH] input: Add the keycode translation tables separately

Require the caller to add the keycode translation tables separately so that
it can select which ones to use. In a later patch we will add the option to
add German tables.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
 board/kosagi/novena/novena.c |  1 +
 drivers/input/cros_ec_keyb.c |  1 +
 drivers/input/input.c        | 26 +++++++++++++++++---------
 drivers/input/tegra-kbc.c    |  1 +
 include/input.h              | 10 ++++++++++
 5 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/board/kosagi/novena/novena.c b/board/kosagi/novena/novena.c
index 919133b..4a9f724 100644
--- a/board/kosagi/novena/novena.c
+++ b/board/kosagi/novena/novena.c
@@ -88,6 +88,7 @@ int drv_keyboard_init(void)
 		debug("%s: Cannot set up input\n", __func__);
 		return -1;
 	}
+	input_add_tables(&button_input);
 	button_input.read_keys = novena_gpio_button_read_keys;
 
 	error = input_stdio_register(&dev);
diff --git a/drivers/input/cros_ec_keyb.c b/drivers/input/cros_ec_keyb.c
index dd150ee..41d8a6f 100644
--- a/drivers/input/cros_ec_keyb.c
+++ b/drivers/input/cros_ec_keyb.c
@@ -255,6 +255,7 @@ int drv_keyboard_init(void)
 		return -1;
 	}
 	config.input.read_keys = cros_ec_kbc_check;
+	input_add_tables(&config.input);
 
 	memset(&dev, '\0', sizeof(dev));
 	strcpy(dev.name, "cros-ec-keyb");
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 9033935..82e8381 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -457,19 +457,27 @@ void input_set_delays(struct input_config *config, int repeat_delay_ms,
 	config->repeat_rate_ms = repeat_rate_ms;
 }
 
+int input_add_tables(struct input_config *config)
+{
+	int ret;
+
+	ret = input_add_table(config, -1, -1,
+			      kbd_plain_xlate, ARRAY_SIZE(kbd_plain_xlate));
+	if (ret)
+		return ret;
+	ret = input_add_table(config, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
+			      kbd_shift_xlate, ARRAY_SIZE(kbd_shift_xlate));
+	if (ret)
+		return ret;
+
+	return input_add_table(config, KEY_LEFTCTRL, KEY_RIGHTCTRL,
+			       kbd_ctrl_xlate, ARRAY_SIZE(kbd_ctrl_xlate));
+}
+
 int input_init(struct input_config *config, int leds)
 {
 	memset(config, '\0', sizeof(*config));
 	config->leds = leds;
-	if (input_add_table(config, -1, -1,
-			kbd_plain_xlate, ARRAY_SIZE(kbd_plain_xlate)) ||
-		input_add_table(config, KEY_LEFTSHIFT, KEY_RIGHTSHIFT,
-			kbd_shift_xlate, ARRAY_SIZE(kbd_shift_xlate)) ||
-		input_add_table(config, KEY_LEFTCTRL, KEY_RIGHTCTRL,
-			kbd_ctrl_xlate, ARRAY_SIZE(kbd_ctrl_xlate))) {
-		debug("%s: Could not add modifier tables\n", __func__);
-		return -ENOSPC;
-	}
 
 	return 0;
 }
diff --git a/drivers/input/tegra-kbc.c b/drivers/input/tegra-kbc.c
index 6b88db4..818ed8c 100644
--- a/drivers/input/tegra-kbc.c
+++ b/drivers/input/tegra-kbc.c
@@ -355,6 +355,7 @@ int drv_keyboard_init(void)
 		return -1;
 	}
 	config.input.read_keys = tegra_kbc_check;
+	input_add_tables(input);
 
 	memset(&dev, '\0', sizeof(dev));
 	strcpy(dev.name, "tegra-kbc");
diff --git a/include/input.h b/include/input.h
index 7bccc8e..71f3538 100644
--- a/include/input.h
+++ b/include/input.h
@@ -123,6 +123,16 @@ void input_set_delays(struct input_config *config, int repeat_delay_ms,
 	       int repeat_rate_ms);
 
 /**
+ * Set up the key map tables
+ *
+ * This must be called after input_init() or keycode decoding will not work.
+ *
+ * @param config	Input state
+ * @return 0 if ok, -1 on error
+ */
+int input_add_tables(struct input_config *config);
+
+/**
  * Set up the input handler with basic key maps.
  *
  * @param config	Input state