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| author | Chao Xie <chao.xie@marvell.com> | 2012-04-01 10:08:04 +0800 |
|---|---|---|
| committer | Haojian Zhuang <haojian.zhuang@gmail.com> | 2012-04-27 16:50:05 +0800 |
| commit | fb054bf26914ee4c55cf149bc5b2a8e2c89fb81f (patch) | |
| tree | d36d61e3953e096efa1094442aee5ef1d2fab1d3 | |
| parent | ee1d8040a6b0a8106c7d9e80b9193077224493ba (diff) | |
| download | lwn-fb054bf26914ee4c55cf149bc5b2a8e2c89fb81f.tar.gz lwn-fb054bf26914ee4c55cf149bc5b2a8e2c89fb81f.zip | |
Input: pxa27x_keypad add choice to set direct_key_mask
Direct keys usage may not start from KP_DKIN0, add a msk option
to configure the specifics for platforms that can skip some keys.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
| -rw-r--r-- | arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | 2 | ||||
| -rw-r--r-- | 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 7ffb16b80639..5ce8d5e6ea51 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 a60f14e7983e..7f7b72464a37 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) |