diff options
| author | Rajagopala V <rajagopala.v@stericsson.com> | 2011-08-25 16:57:56 +0530 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@linaro.org> | 2012-03-19 08:59:35 +0100 |
| commit | ea043bc06721198bd6161fdb8178b7eec8c38abc (patch) | |
| tree | 2e80936e582a9013570a4ee3199f521d17eb7b61 /drivers/input | |
| parent | 676981e301b647f7c5a2b7acabae816a981647fb (diff) | |
u5500: ponkey: shutdown time configuration
support for compile time configuration of poweron key shutdown
time. Default is 10sec and can be set to 5sec or disabled
ST-Ericsson Linux next: NA
ST-Ericsson ID: WP257125
ST-Ericsson FOSS-OUT ID: NA
Change-Id: I7fbf57d21ff218370dba24182716222c354f4dc5
Signed-off-by: Rajagopala V <rajagopala.v@stericsson.com
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/28430
Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
Tested-by: Rajagopala VENKATARAVANAPPA X <rajagopala.v@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Signed-off-by: Robert Marklund <robert.marklund@stericsson.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/misc/ab8500-ponkey.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/input/misc/ab8500-ponkey.c b/drivers/input/misc/ab8500-ponkey.c index a6ade3aaf14..60471ba3086 100644 --- a/drivers/input/misc/ab8500-ponkey.c +++ b/drivers/input/misc/ab8500-ponkey.c @@ -13,15 +13,28 @@ #include <linux/interrupt.h> #include <linux/mfd/abx500/ab8500.h> #include <linux/slab.h> +#include <linux/mfd/abx500.h> + +/* Ponkey time control bits */ +#define AB5500_MCB 0x2F +#define AB5500_PONKEY_10SEC 0x0 +#define AB5500_PONKEY_5SEC 0x1 +#define AB5500_PONKEY_DISABLE 0x2 +#define AB5500_PONKEY_TMR_MASK 0x1 +#define AB5500_PONKEY_TR_MASK 0x2 + +static int ab5500_ponkey_hw_init(struct platform_device *); struct ab8500_ponkey_variant { const char *irq_falling; const char *irq_rising; + int (*hw_init)(struct platform_device *); }; static const struct ab8500_ponkey_variant ab5500_onswa = { .irq_falling = "ONSWAn_falling", .irq_rising = "ONSWAn_rising", + .hw_init = ab5500_ponkey_hw_init, }; static const struct ab8500_ponkey_variant ab8500_ponkey = { @@ -41,6 +54,37 @@ struct ab8500_ponkey_info { int irq_dbr; }; +static int ab5500_ponkey_hw_init(struct platform_device *pdev) +{ + u8 val; + struct ab5500_ponkey_platform_data *pdata; + + pdata = pdev->dev.platform_data; + if (pdata) { + switch (pdata->shutdown_secs) { + case 0: + val = AB5500_PONKEY_DISABLE; + break; + case 5: + val = AB5500_PONKEY_5SEC; + break; + case 10: + val = AB5500_PONKEY_10SEC; + break; + default: + val = AB5500_PONKEY_10SEC; + } + } else { + val = AB5500_PONKEY_10SEC; + } + return abx500_mask_and_set( + &pdev->dev, + AB5500_BANK_STARTUP, + AB5500_MCB, + AB5500_PONKEY_TMR_MASK | AB5500_PONKEY_TR_MASK, + val); +} + /* AB8500 gives us an interrupt when ONKEY is held */ static irqreturn_t ab8500_ponkey_handler(int irq, void *data) { @@ -65,6 +109,14 @@ static int __devinit ab8500_ponkey_probe(struct platform_device *pdev) variant = (const struct ab8500_ponkey_variant *) pdev->id_entry->driver_data; + if (variant->hw_init) { + ret = variant->hw_init(pdev); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to init hw"); + return ret; + } + } + irq_dbf = platform_get_irq_byname(pdev, variant->irq_falling); if (irq_dbf < 0) { dev_err(&pdev->dev, "No IRQ for %s: %d\n", |