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hwmon: (f75375s) Initialize pwmX_mode and pwmX_enable if there is no platform data

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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>
This commit is contained in:
Guenter Roeck 2011-12-08 10:15:51 -08:00
parent 3310600aa7
commit b1b561a228
1 changed files with 26 additions and 2 deletions
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28
drivers/hwmon/f75375s.c
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@ -652,6 +652,31 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data,
struct f75375s_platform_data *f75375s_pdata) struct f75375s_platform_data *f75375s_pdata)
{ {
int nr; 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, 0, f75375s_pdata->pwm_enable[0]);
set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]); set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]);
for (nr = 0; nr < 2; nr++) { for (nr = 0; nr < 2; nr++) {
@ -703,8 +728,7 @@ static int f75375_probe(struct i2c_client *client,
goto exit_remove; goto exit_remove;
} }
if (f75375s_pdata != NULL) f75375_init(client, data, f75375s_pdata);
f75375_init(client, data, f75375s_pdata);
return 0; return 0;