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6a8f359c31
All platforms that provide a teardown callback return 0. New users are supposed to not make use of platform support, so there is no functionality lost. This patch is a preparation for making i2c remove callbacks return void. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Wolfram Sang <wsa@kernel.org>
31 lines
691 B
C
31 lines
691 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_PCA953X_H
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#define _LINUX_PCA953X_H
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#include <linux/types.h>
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#include <linux/i2c.h>
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/* platform data for the PCA9539 16-bit I/O expander driver */
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struct pca953x_platform_data {
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/* number of the first GPIO */
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unsigned gpio_base;
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/* initial polarity inversion setting */
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u32 invert;
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/* interrupt base */
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int irq_base;
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void *context; /* param to setup/teardown */
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int (*setup)(struct i2c_client *client,
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unsigned gpio, unsigned ngpio,
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void *context);
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void (*teardown)(struct i2c_client *client,
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unsigned gpio, unsigned ngpio,
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void *context);
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const char *const *names;
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};
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#endif /* _LINUX_PCA953X_H */
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