diff options
| author | Nitin Kumbhar <nkumbhar@nvidia.com> | 2011-02-04 14:35:54 +0530 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-02-04 14:02:36 -0800 |
| commit | 90e0104943940d9ad9b227f4598147e3faecbec8 (patch) | |
| tree | cec9b6317702da63802e37137bc45e38e5404f54 | |
| parent | b6b1f33f279fcb1c4a751f981153affa6469e94c (diff) | |
input: touch: fix suspend/resume of atmel maxtouchtegra-10.11.4tegra-10.11.3
Add support for atmel's maxtouch to enter/exit sleep mode
BUG 788286
Change-Id: I4d043d4a19147dd11c426b13ac5ef6eea77fe820
Reviewed-on: http://git-master/r/18336
Tested-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Robert R Collins <rcollins@nvidia.com>
| -rwxr-xr-x | drivers/input/touchscreen/atmel_maxtouch.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/atmel_maxtouch.c b/drivers/input/touchscreen/atmel_maxtouch.c index 44ef974575d1..94c778368956 100755 --- a/drivers/input/touchscreen/atmel_maxtouch.c +++ b/drivers/input/touchscreen/atmel_maxtouch.c @@ -1984,12 +1984,26 @@ static int __devexit mxt_remove(struct i2c_client *client) } #if defined(CONFIG_PM) +static void mxt_start(struct mxt_data *mxt) +{ + mxt_write_byte(mxt->client, + MXT_BASE_ADDR(MXT_TOUCH_MULTITOUCHSCREEN_T9, mxt), 0x83); +} + +static void mxt_stop(struct mxt_data *mxt) +{ + mxt_write_byte(mxt->client, + MXT_BASE_ADDR(MXT_TOUCH_MULTITOUCHSCREEN_T9, mxt), 0x0); +} + static int mxt_suspend(struct i2c_client *client, pm_message_t mesg) { struct mxt_data *mxt = i2c_get_clientdata(client); if (device_may_wakeup(&client->dev)) enable_irq_wake(mxt->irq); + else + mxt_stop(mxt); return 0; } @@ -2000,6 +2014,8 @@ static int mxt_resume(struct i2c_client *client) if (device_may_wakeup(&client->dev)) disable_irq_wake(mxt->irq); + else + mxt_start(mxt); return 0; } |