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pca953x: support GPIOLIB GPIO naming

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Add support to the PCA953x driver to use the GPIOLIB naming facility for
GPIOs.

Signed-off-by: Daniel Silverstone <[email protected]>
Cc: Ben Gardner <[email protected]>
Cc: Jean Delvare <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Daniel Silverstone 2009-06-17 16:26:15 -07:00 • committed by Linus Torvalds
commit 77906a5461
2 changed files with 5 additions and 0 deletions
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4
drivers/gpio/pca953x.c
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@ -50,6 +50,7 @@ struct pca953x_chip {
struct i2c_client *client;
struct gpio_chip gpio_chip;
char **names;
};
static int pca953x_write_reg(struct pca953x_chip *chip, int reg, uint16_t val)
@ -192,6 +193,7 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
gc->label = chip->client->name;
gc->dev = &chip->client->dev;
gc->owner = THIS_MODULE;
gc->names = chip->names;
}
static int __devinit pca953x_probe(struct i2c_client *client,
@ -215,6 +217,8 @@ static int __devinit pca953x_probe(struct i2c_client *client,
chip->gpio_start = pdata->gpio_base;
chip->names = pdata->names;
/* initialize cached registers from their original values.
* we can't share this chip with another i2c master.
*/