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staging:iio:adt7410: use local platformdata if none is specified
The adt7410 expects information about an irq in platform_data. The driver can work without an irq, so make platform_data optional by specifying a dummy platform_data if the device has none. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -720,6 +720,7 @@ static int __devinit adt7410_probe(struct i2c_client *client,
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struct iio_dev *indio_dev;
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int ret = 0;
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unsigned long *adt7410_platform_data = client->dev.platform_data;
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unsigned long local_pdata[] = {0, 0};
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indio_dev = iio_device_alloc(sizeof(*chip));
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if (indio_dev == NULL) {
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@ -737,6 +738,9 @@ static int __devinit adt7410_probe(struct i2c_client *client,
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indio_dev->info = &adt7410_info;
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indio_dev->modes = INDIO_DIRECT_MODE;
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if (!adt7410_platform_data)
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adt7410_platform_data = local_pdata;
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/* CT critcal temperature event. line 0 */
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if (client->irq) {
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ret = request_threaded_irq(client->irq,
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