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muc_uart: wake on wake_irq and attach

Browse source 
Wake up the system from suspend with either the
wake_irq or the attach_irq.

Change-Id: Ia635fdbc24d0bcc138f7416cfa52740175ef126c
Signed-off-by: Ryan Lattrel <ryanl@motorola.com>
Reviewed-on: https://gerrit.mot.com/1261634
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Kenneth Kessler <kennykessler@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Ryan Lattrel 2018-10-26 15:09:55 -05:00
commit 0f97da9d0e
1 changed files with 19 additions and 0 deletions
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19
drivers/mmi_muc_uart/muc_uart.c
View file

@ -1184,6 +1184,14 @@ static void muc_uart_wake_work(struct work_struct *w)
if (!booted) {
if (muc_uart_send_bootmode(mm_data) >= 0);
booted = true;
/* Else if there was something in the queue when
* we went to sleep start sending it
*/
} else {
cancel_delayed_work(&mm_data->write_work);
queue_delayed_work(mm_data->write_wq,
&mm_data->write_work,
msecs_to_jiffies(0));
}
}
}
@ -1402,6 +1410,10 @@ static int muc_uart_probe(struct platform_device *pdev)
mm_data))
goto err2;
/* Let wake irq take us out of suspend */
if (irq_set_irq_wake(mm_data->wake_irq, 1))
MUC_ERR("Failed to set wake irq as wake source");
mm_data->mod_attached_gpio = of_get_gpio(np, 2);
if (mm_data->mod_attached_gpio >= 0)
mm_data->mod_attached_irq =
@ -1433,6 +1445,10 @@ static int muc_uart_probe(struct platform_device *pdev)
mm_data))
goto err2;
/* Let attach irq take us out of suspend */
if (irq_set_irq_wake(mm_data->mod_attached_irq, 1))
MUC_ERR("Failed to set attach irq as wake source");
if (sysfs_create_groups(&pdev->dev.kobj, muc_uart_groups)) {
dev_err(&pdev->dev, "Failed to create sysfs attributes\n");
goto err2;
@ -1492,6 +1508,9 @@ static int muc_uart_remove(struct platform_device *pdev)
{
struct mod_muc_data_t *mm_data = platform_get_drvdata(pdev);
irq_set_irq_wake(mm_data->wake_irq, 0);
irq_set_irq_wake(mm_data->mod_attached_irq, 0);
if (gpio_is_valid(mm_data->wake_in_gpio))
gpio_free(mm_data->wake_in_gpio);