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authorDavid Vrabel <david.vrabel@csr.com>2009-01-07 10:45:25 +0000
committerDavid Vrabel <david.vrabel@csr.com>2009-01-07 10:45:25 +0000
commita23e66f3b8cfdedec14541e71ef29a754870a20c (patch)
treef8ac23572982e92e6f8ae09c4039db627bdf53ee /drivers/gpio/pca953x.c
parent04c470adb01c62bb9bd663cfc4875cf0a4eb01ab (diff)
parentede6f5aea054d3fb67c78857f7abdee602302043 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
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 9ceeb89f132..37f35388a2a 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;