From 4655b9c95ddc2e087eec81cd4b05a072f09f2f23 Mon Sep 17 00:00:00 2001 From: Naga RADHESH Y Date: Tue, 14 Feb 2012 07:47:04 +0100 Subject: Android:lps001wp: add early suspend,late resume add early suspend,late resume functionlity for pressure sensor. ST-Ericsson ID: 371766 ST-Ericsson Linux next: NA ST-Ericsson FOSS-OUT ID: Trivial Change-Id:If517adc3bbef3d203a9be2af946c3264cb35b265 Signed-off-by: Naga Radhesh --- drivers/input/misc/lps001wp_prs.c | 58 +++++++++++++++++++++++++++++++-------- 1 file changed, 47 insertions(+), 11 deletions(-) diff --git a/drivers/input/misc/lps001wp_prs.c b/drivers/input/misc/lps001wp_prs.c index 9b1f147e1a8..1618dfaa16f 100644 --- a/drivers/input/misc/lps001wp_prs.c +++ b/drivers/input/misc/lps001wp_prs.c @@ -49,12 +49,12 @@ #include #include - - +#ifdef CONFIG_HAS_EARLYSUSPEND +#include +#endif #define DEBUG 1 - #define PR_ABS_MAX 0xffff #define PR_ABS_MIN 0x0000 #define PR_DLT_MAX 0x7ffff @@ -171,6 +171,9 @@ struct lps001wp_prs_data { struct delayed_work input_work; struct input_dev *input_dev; #endif +#ifdef CONFIG_HAS_EARLYSUSPEND + struct early_suspend early_suspend; +#endif int hw_initialized; /* hw_working=-1 means not tested yet */ @@ -196,6 +199,11 @@ struct outputdata { s16 deltapress; }; +#ifdef CONFIG_HAS_EARLYSUSPEND +static void lps001wp_prs_early_suspend(struct early_suspend *data); +static void lps001wp_prs_late_resume(struct early_suspend *data); +#endif + static int lps001wp_prs_i2c_read(struct lps001wp_prs_data *prs, u8 *buf, int len) @@ -1282,6 +1290,13 @@ static int lps001wp_prs_probe(struct i2c_client *client, "device LPS001WP_PRS_DEV_NAME sysfs register failed\n"); goto err_input_cleanup; } +#ifdef CONFIG_HAS_EARLYSUSPEND + prs->early_suspend.level = + EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1; + prs->early_suspend.suspend = lps001wp_prs_early_suspend; + prs->early_suspend.resume = lps001wp_prs_late_resume; + register_early_suspend(&prs->early_suspend); +#endif lps001wp_prs_device_power_off(prs); @@ -1356,24 +1371,44 @@ static int __devexit lps001wp_prs_remove(struct i2c_client *client) return 0; } - -static int lps001wp_prs_resume(struct i2c_client *client) +#if (!defined(CONFIG_HAS_EARLYSUSPEND) && defined(CONFIG_PM)) +static int lps001wp_prs_resume(struct device *dev) { - struct lps001wp_prs_data *prs = i2c_get_clientdata(client); + struct lps001wp_prs_data *prs = dev_get_drvdata(dev); if (prs->on_before_suspend) return lps001wp_prs_enable(prs); return 0; } -static int lps001wp_prs_suspend(struct i2c_client *client, pm_message_t mesg) +static int lps001wp_prs_suspend(struct device *dev) { - struct lps001wp_prs_data *prs = i2c_get_clientdata(client); - + struct lps001wp_prs_data *prs = dev_get_drvdata(dev); prs->on_before_suspend = atomic_read(&prs->enabled); return lps001wp_prs_disable(prs); } +static const struct dev_pm_ops lps001wp_prs_dev_pm_ops = { + .suspend = lps001wp_prs_suspend, + .resume = lps001wp_prs_resume, +}; +#else +static void lps001wp_prs_early_suspend(struct early_suspend *data) +{ + struct lps001wp_prs_data *prs = + container_of(data, struct lps001wp_prs_data, early_suspend); + prs->on_before_suspend = atomic_read(&prs->enabled); + lps001wp_prs_disable(prs); +} + +static void lps001wp_prs_late_resume(struct early_suspend *data) +{ + struct lps001wp_prs_data *prs = + container_of(data, struct lps001wp_prs_data, early_suspend); + if (prs->on_before_suspend) + lps001wp_prs_enable(prs); +} +#endif static const struct i2c_device_id lps001wp_prs_id[] = { { LPS001WP_PRS_DEV_NAME, 0}, { },}; @@ -1383,12 +1418,13 @@ static struct i2c_driver lps001wp_prs_driver = { .driver = { .name = LPS001WP_PRS_DEV_NAME, .owner = THIS_MODULE, +#if (!defined(CONFIG_HAS_EARLYSUSPEND) && defined(CONFIG_PM)) + .pm = &lps001wp_prs_dev_pm_ops, +#endif }, .probe = lps001wp_prs_probe, .remove = __devexit_p(lps001wp_prs_remove), .id_table = lps001wp_prs_id, - .resume = lps001wp_prs_resume, - .suspend = lps001wp_prs_suspend, }; static int __init lps001wp_prs_init(void) -- cgit v1.2.3