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Commit 096ea30c authored by Pascal Huerst's avatar Pascal Huerst Committed by Wolfram Sang
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i2c: omap: Add calls for pinctrl state select 



This adds calls to pinctrl subsystem in order to switch pin states
on suspend/resume if you provide a "sleep" state in DT.

If no "sleep" state is provided in the DT, these calls turn
to NOPs, so we don't need error checking here.

Signed-off-by: default avatarPascal Huerst <pascal.huerst@gmail.com>
Reviewed-by: default avatarSekhar Nori <nsekhar@ti.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 7e5cd69a

drivers/i2c/busses/i2c-omap.c

+5 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 
#include <linux/slab.h>

#include <linux/i2c-omap.h>

#include <linux/pm_runtime.h>

#include <linux/pinctrl/consumer.h>



/* I2C controller revisions */

#define OMAP_I2C_OMAP1_REV_2		0x20
@@ -1423,6 +1424,8 @@ static int omap_i2c_runtime_suspend(struct device *dev) 
		omap_i2c_read_reg(_dev, OMAP_I2C_STAT_REG);

	}



	pinctrl_pm_select_sleep_state(dev);



	return 0;

}
@@ -1431,6 +1434,8 @@ static int omap_i2c_runtime_resume(struct device *dev) 
	struct platform_device *pdev = to_platform_device(dev);

	struct omap_i2c_dev *_dev = platform_get_drvdata(pdev);



	pinctrl_pm_select_default_state(dev);



	if (!_dev->regs)

		return 0;