diff options
author | David S. Miller <davem@davemloft.net> | 2010-10-06 19:11:17 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-10-06 19:11:17 -0700 |
commit | 12e94471b2be5ef9b55b10004a3a2cd819490036 (patch) | |
tree | f84ae818687dc7c35bd54f11bfb9717278d28a4e /drivers/gpio/sx150x.c | |
parent | 79315068f4560f3f7bd6e9790190dcb43059770c (diff) | |
parent | cb655d0f3d57c23db51b981648e452988c0223f9 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/gpio/sx150x.c')
-rw-r--r-- | drivers/gpio/sx150x.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/gpio/sx150x.c b/drivers/gpio/sx150x.c index b42f42ca70c..823559ab0e2 100644 --- a/drivers/gpio/sx150x.c +++ b/drivers/gpio/sx150x.c @@ -459,17 +459,33 @@ static int sx150x_init_io(struct sx150x_chip *chip, u8 base, u16 cfg) return err; } -static int sx150x_init_hw(struct sx150x_chip *chip, - struct sx150x_platform_data *pdata) +static int sx150x_reset(struct sx150x_chip *chip) { - int err = 0; + int err; - err = i2c_smbus_write_word_data(chip->client, + err = i2c_smbus_write_byte_data(chip->client, chip->dev_cfg->reg_reset, - 0x3412); + 0x12); if (err < 0) return err; + err = i2c_smbus_write_byte_data(chip->client, + chip->dev_cfg->reg_reset, + 0x34); + return err; +} + +static int sx150x_init_hw(struct sx150x_chip *chip, + struct sx150x_platform_data *pdata) +{ + int err = 0; + + if (pdata->reset_during_probe) { + err = sx150x_reset(chip); + if (err < 0) + return err; + } + err = sx150x_i2c_write(chip->client, chip->dev_cfg->reg_misc, 0x01); |