diff options
| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2013-04-10 00:36:42 +0000 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2013-04-15 18:18:45 +0200 |
| commit | 43452335224bc0cbd605c6aee82b5c9c33e94cc6 (patch) | |
| tree | b63a20048c0ae7527103035f6656b7f5ff8d533f /drivers/i2c/busses/i2c-designware-pcidrv.c | |
| parent | 1451b91ffef5a2ac7df28a6d8fc270ccbee5d8ac (diff) | |
| download | blackbird-op-linux-43452335224bc0cbd605c6aee82b5c9c33e94cc6.tar.gz blackbird-op-linux-43452335224bc0cbd605c6aee82b5c9c33e94cc6.zip | |
i2c-designware: switch to use runtime PM autosuspend
Using autosuspend helps to reduce the resume latency in situations where
another I2C message is going to be started soon. For example with HID over
I2C touch panels we get several messages in a short period of time while
the touch panel is in use.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-pcidrv.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-designware-pcidrv.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index aacb64e916a5..c8797e22459c 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -291,7 +291,8 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, /* Increase reference counter */ get_device(&pdev->dev); - pm_runtime_put_noidle(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 1000); + pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_allow(&pdev->dev); return 0; |
