diff options
author | Robert Richter <robert.richter@amd.com> | 2010-10-11 19:26:50 +0200 |
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committer | Robert Richter <robert.richter@amd.com> | 2010-10-11 19:26:50 +0200 |
commit | ad0f7cfaa85fc033523a09ab1f3dd6b8ded3dff5 (patch) | |
tree | 2565121e4b9945d953e02c77a2e53065b3789aa4 /drivers/gpio/sx150x.c | |
parent | 86c8c04792f152c5469023885510140dd34817bc (diff) | |
parent | c7a27aa4652c63172489a73f3961455650a79a7f (diff) |
Merge branch 'oprofile/urgent' (early part) into oprofile/perf
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 b42f42ca70c3..823559ab0e24 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); |