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Commit cf5f439b authored by Richard Röjfors's avatar Richard Röjfors Committed by Dmitry Torokhov
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Input: tsc2007 - check if I2C communication works during probe 



Check the result when sending the power down command to the controller.

Signed-off-by: default avatarRichard Röjfors <richard.rojfors.ext@mocean-labs.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent d570e9ef

drivers/input/touchscreen/tsc2007.c

+5 −3
Original line number Diff line number Diff line
@@ -319,15 +319,17 @@ static int __devinit tsc2007_probe(struct i2c_client *client, 
		goto err_free_mem;

	}



	/* Prepare for touch readings - power down ADC and enable PENIRQ */

	err = tsc2007_xfer(ts, PWRDOWN);

	if (err < 0)

		goto err_free_irq;



	err = input_register_device(input_dev);

	if (err)

		goto err_free_irq;



	i2c_set_clientdata(client, ts);



	/* Prepare for touch readings - power down ADC and enable PENIRQ */

	tsc2007_xfer(ts, PWRDOWN);



	return 0;



 err_free_irq: