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input: migor_ts: add wakeup support

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Add wakeup support to the migor_ts driver. If user space has enabled
wakeup, use set_irq_wake() during suspend and resume. With this patch
the migor_ts driver can be used to wake the system from suspend.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2009-04-01 14:49:41 +00:00 committed by Paul Mundt
parent faa9fa8e44
commit 0935ade0bf
1 changed files with 23 additions and 0 deletions
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23
drivers/input/touchscreen/migor_ts.c
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@ -198,6 +198,7 @@ static int migor_ts_probe(struct i2c_client *client,
goto err2;
}
device_init_wakeup(&client->dev, 1);
return 0;
err2:
@ -224,6 +225,26 @@ static int migor_ts_remove(struct i2c_client *client)
return 0;
}
static int migor_ts_suspend(struct i2c_client *client, pm_message_t mesg)
{
struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
if (device_may_wakeup(&client->dev))
enable_irq_wake(priv->irq);
return 0;
}
static int migor_ts_resume(struct i2c_client *client)
{
struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
if (device_may_wakeup(&client->dev))
disable_irq_wake(priv->irq);
return 0;
}
static const struct i2c_device_id migor_ts_id[] = {
{ "migor_ts", 0 },
{ }
@ -236,6 +257,8 @@ static struct i2c_driver migor_ts_driver = {
},
.probe = migor_ts_probe,
.remove = migor_ts_remove,
.suspend = migor_ts_suspend,
.resume = migor_ts_resume,
.id_table = migor_ts_id,
};