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Commit 9feeb014 authored by Marc Dietrich's avatar Marc Dietrich Committed by Greg Kroah-Hartman
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staging: nvec: send suspend messages synchronously 



The suspend commands need to be sent using the
synchronous method, otherwise the power gets
disabled before the messages are transferred.

Signed-off-by: default avatarMarc Dietrich <marvin24@gmx.de>
[jak@jak-linux.org: Rewrote commit message]
Signed-off-by: default avatarJulian Andres Klode <jak@jak-linux.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent de839b8f

drivers/staging/nvec/nvec.c

+8 −2
Original line number Diff line number Diff line
@@ -861,10 +861,16 @@ static int __devexit tegra_nvec_remove(struct platform_device *pdev) 
static int tegra_nvec_suspend(struct platform_device *pdev, pm_message_t state)

{

	struct nvec_chip *nvec = platform_get_drvdata(pdev);

	struct nvec_msg *msg;



	dev_dbg(nvec->dev, "suspending\n");

	nvec_write_async(nvec, EC_DISABLE_EVENT_REPORTING, 3);

	nvec_write_async(nvec, "\x04\x02", 2);



	/* keep these sync or you'll break suspend */

	msg = nvec_write_sync(nvec, EC_DISABLE_EVENT_REPORTING, 3);

	nvec_msg_free(nvec, msg);

	msg = nvec_write_sync(nvec, "\x04\x02", 2);

	nvec_msg_free(nvec, msg);



	nvec_disable_i2c_slave(nvec);



	return 0;