diff options
| author |   Guenter Roeck <guenter.roeck@ericsson.com> | 2011-12-08 10:15:51 -0800 |
|---|---|---|
| committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2012-01-05 08:19:30 -0800 |
| commit | b1b561a228de9796eff8c7e03e1e7ee63ab13115 (patch) | |
| tree | 52912746ebdd55f99068e047a801fddc9cd278a4 /drivers/hwmon/f75375s.c | |
| parent | hwmon: (f75375s) Fix value range for PWM modes (diff) | |
| download | linux-dev-b1b561a228de9796eff8c7e03e1e7ee63ab13115.tar.xz linux-dev-b1b561a228de9796eff8c7e03e1e7ee63ab13115.zip | |
hwmon: (f75375s) Initialize pwmX_mode and pwmX_enable if there is no platform data
pwmX_mode and pwmX_enable are not initialized if no platform data is provided to
the driver. Read chip configuration at driver initialization time and initialize
attributes to reflect chip configuration.
Cc: Riku Voipio <riku.voipio@iki.fi>
Reviewed-by: Bjoern Gerhart <oss@extracloud.de>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Diffstat (limited to 'drivers/hwmon/f75375s.c')
| -rw-r--r-- | drivers/hwmon/f75375s.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index 777a665164f9..9c3f078e263b 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -652,6 +652,31 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data, struct f75375s_platform_data *f75375s_pdata) { int nr; + + if (!f75375s_pdata) { + u8 conf, mode; + int nr; + + conf = f75375_read8(client, F75375_REG_CONFIG1); + mode = f75375_read8(client, F75375_REG_FAN_TIMER); + for (nr = 0; nr < 2; nr++) { + if (!(conf & (1 << FAN_CTRL_LINEAR(nr)))) + data->pwm_mode[nr] = 1; + switch ((mode >> FAN_CTRL_MODE(nr)) & 3) { + case 0: /* speed */ + data->pwm_enable[nr] = 3; + break; + case 1: /* automatic */ + data->pwm_enable[nr] = 2; + break; + default: /* manual */ + data->pwm_enable[nr] = 1; + break; + } + } + return; + } + set_pwm_enable_direct(client, 0, f75375s_pdata->pwm_enable[0]); set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]); for (nr = 0; nr < 2; nr++) { @@ -703,8 +728,7 @@ static int f75375_probe(struct i2c_client *client, goto exit_remove; } - if (f75375s_pdata != NULL) - f75375_init(client, data, f75375s_pdata); + f75375_init(client, data, f75375s_pdata); return 0; |