+static int __devinit f71882fg_create_fan_sysfs_files(
+ struct platform_device *pdev, int idx)
+{
+ struct f71882fg_data *data = platform_get_drvdata(pdev);
+ int err;
+
+ /* Sanity check the pwm setting */
+ err = 0;
+ switch (data->type) {
+ case f71858fg:
+ if (((data->pwm_enable >> (idx * 2)) & 3) == 3)
+ err = 1;
+ break;
+ case f71862fg:
+ if (((data->pwm_enable >> (idx * 2)) & 1) != 1)
+ err = 1;
+ break;
+ case f8000:
+ if (idx == 2)
+ err = data->pwm_enable & 0x20;
+ break;
+ default:
+ break;
+ }
+ if (err) {
+ dev_err(&pdev->dev,
+ "Invalid (reserved) pwm settings: 0x%02x, "
+ "skipping fan %d\n",
+ (data->pwm_enable >> (idx * 2)) & 3, idx + 1);
+ return 0; /* This is a non fatal condition */
+ }
+
+ err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
+ ARRAY_SIZE(fxxxx_fan_attr[0]));
+ if (err)
+ return err;
+
+ if (f71882fg_fan_has_beep[data->type]) {
+ err = f71882fg_create_sysfs_files(pdev,
+ &fxxxx_fan_beep_attr[idx],
+ 1);
+ if (err)
+ return err;
+ }
+
+ dev_info(&pdev->dev, "Fan: %d is in %s mode\n", idx + 1,
+ (data->pwm_enable & (1 << (2 * idx))) ? "duty-cycle" : "RPM");
+
+ /* Check for unsupported auto pwm settings */
+ switch (data->type) {
+ case f71808e:
+ case f71808a:
+ case f71869:
+ case f71869a:
+ case f71889fg:
+ case f71889ed:
+ case f71889a:
+ data->pwm_auto_point_mapping[idx] =
+ f71882fg_read8(data, F71882FG_REG_POINT_MAPPING(idx));
+ if ((data->pwm_auto_point_mapping[idx] & 0x80) ||
+ (data->pwm_auto_point_mapping[idx] & 3) == 0) {
+ dev_warn(&pdev->dev,
+ "Auto pwm controlled by raw digital "
+ "data, disabling pwm auto_point "
+ "sysfs attributes for fan %d\n", idx + 1);
+ return 0; /* This is a non fatal condition */
+ }
+ break;
+ default:
+ break;
+ }
+
+ switch (data->type) {
+ case f71862fg:
+ err = f71882fg_create_sysfs_files(pdev,
+ &f71862fg_auto_pwm_attr[idx][0],
+ ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
+ break;
+ case f71808e:
+ case f71869:
+ err = f71882fg_create_sysfs_files(pdev,
+ &f71869_auto_pwm_attr[idx][0],
+ ARRAY_SIZE(f71869_auto_pwm_attr[0]));
+ break;
+ case f8000:
+ err = f71882fg_create_sysfs_files(pdev,
+ &f8000_auto_pwm_attr[idx][0],
+ ARRAY_SIZE(f8000_auto_pwm_attr[0]));
+ break;
+ default:
+ err = f71882fg_create_sysfs_files(pdev,
+ &fxxxx_auto_pwm_attr[idx][0],
+ ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
+ }
+
+ return err;
+}
+