On 01/03/2017 03:37 PM, Andy Shevchenko wrote:
On Mon, Jan 2, 2017 at 11:07 PM, Steve Longerbeam <slongerbeam@xxxxxxxxx> wrote:
Add optional reset-gpios pin control. If present, de-assert the
specified reset gpio pin to bring the chip out of reset.
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -22,6 +22,7 @@
#include <linux/of_platform.h>
#include <linux/acpi.h>
#include <linux/regulator/consumer.h>
+#include <linux/gpio/consumer.h>
Please, try to put it somehow alphabetically ordered (yes, I see it's
not in general, but try to squeeze it into longest part which is
ordered).
done.
#define PCA953X_INPUT 0
#define PCA953X_OUTPUT 1
@@ -754,8 +755,18 @@ static int pca953x_probe(struct i2c_client *client,
invert = pdata->invert;
chip->names = pdata->names;
} else {
+ struct gpio_desc *reset_gpio;
+
chip->gpio_start = -1;
irq_base = 0;
+
+ /* see if we need to de-assert a reset pin */
see -> See
done.
Steve
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