[PATCH V2 4/4] Input: pxa27x_keypad add choice to set direct_key_mask
From: Chao Xie <hidden>
Date: 2012-03-30 01:58:18
Also in:
linux-arm-kernel
Subsystem:
arm port, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Russell King, Dmitry Torokhov, Linus Torvalds
Direct keys usage may not start from KP_DKIN0, add a msk option to configure the specifics for platforms that can skip some keys. Change-Id: Ia8fd28254fec9595dcf39f12a78392c1e8b675eb Signed-off-by: Chao Xie <redacted> --- arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | 2 ++ drivers/input/keyboard/pxa27x_keypad.c | 9 ++++++++- 2 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h
index 7ffb16b..5ce8d5e 100644
--- a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h
+++ b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h@@ -46,6 +46,8 @@ struct pxa27x_keypad_platform_data { unsigned int direct_key_map[MAX_DIRECT_KEY_NUM]; /* the key output may be low active */ int direct_key_low_active; + /* give board a chance to choose the start direct key */ + unsigned int direct_key_mask; /* rotary encoders 0 */ int enable_rotary0;
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index b41ebda..3da60b3 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c@@ -391,7 +391,14 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad) if (pdata->direct_key_num > direct_key_num) direct_key_num = pdata->direct_key_num; - keypad->direct_key_mask = ((1 << direct_key_num) - 1) & ~mask; + /* + * Direct keys usage may not start from KP_DKIN0, check the platfrom + * mask data to config the specific. + */ + if (pdata->direct_key_mask) + keypad->direct_key_mask = pdata->direct_key_mask; + else + keypad->direct_key_mask = ((1 << direct_key_num) - 1) & ~mask; /* enable direct key */ if (direct_key_num)
--
1.7.0.4