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authorDavid S. Miller <davem@davemloft.net>2009-01-08 11:05:59 -0800
committerDavid S. Miller <davem@davemloft.net>2009-01-08 11:05:59 -0800
commit7f46b1343f723f98634a5dcee47856b2000079ed (patch)
treeed22b6298c8dd2f687890a0d79abcd1d273b5f81 /drivers/gpio/pca953x.c
parentb8c31da64165b8566fc6e1c9c826f76e7b98ff02 (diff)
parent9e42d0cf5020aaf217433cad1a224745241d212a (diff)
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/gpio/pca953x.c')
-rw-r--r--drivers/gpio/pca953x.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 9ceeb89..37f3538 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -33,7 +33,12 @@ static const struct i2c_device_id pca953x_id[] = {
{ "pca9554", 8, },
{ "pca9555", 16, },
{ "pca9557", 8, },
+
{ "max7310", 8, },
+ { "pca6107", 8, },
+ { "tca6408", 8, },
+ { "tca6416", 16, },
+ /* NYET: { "tca6424", 24, }, */
{ }
};
MODULE_DEVICE_TABLE(i2c, pca953x_id);
@@ -47,9 +52,6 @@ struct pca953x_chip {
struct gpio_chip gpio_chip;
};
-/* NOTE: we can't currently rely on fault codes to come from SMBus
- * calls, so we map all errors to EIO here and return zero otherwise.
- */
static int pca953x_write_reg(struct pca953x_chip *chip, int reg, uint16_t val)
{
int ret;
@@ -61,7 +63,7 @@ static int pca953x_write_reg(struct pca953x_chip *chip, int reg, uint16_t val)
if (ret < 0) {
dev_err(&chip->client->dev, "failed writing register\n");
- return -EIO;
+ return ret;
}
return 0;
@@ -78,7 +80,7 @@ static int pca953x_read_reg(struct pca953x_chip *chip, int reg, uint16_t *val)
if (ret < 0) {
dev_err(&chip->client->dev, "failed reading register\n");
- return -EIO;
+ return ret;
}
*val = (uint16_t)ret;