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>
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 777a665..9c3f078 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -652,6 +652,31 @@
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 @@
goto exit_remove;
}
- if (f75375s_pdata != NULL)
- f75375_init(client, data, f75375s_pdata);
+ f75375_init(client, data, f75375s_pdata);
return 0;